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Advanced Information Motion SPM™ Introduction 22st, Oct., 2007 Motion Control System Team HV Functional Power Group www.fairchildsemi.com Confidential Motion SPM Portfolio Basic Structure SPIM (CI) < 10kW ( 600V 75A 1200V 50A ) 6-IGBT/FRD for inverter + Gate Driver with Protection(SC, UV) + Thermistor + 3-phase Rectifier SPIM (Inv) < 10kW ( 600V 100A 1200V 75A ) 6-IGBT/FRD for inverter + Gate Driver with Protection(SC, UV) + Thermistor SPM2 < 5kW (600V 75A) 6-IGBT / FRD for inverter + Gate driver with Protection (SC, UV, Soft Shut down) + Thermistor + TSD function (from V4) SPM3 < 2.2kW (600V 30A) 6-IGBT / FRD for inverter + Gate driver with Protection (SC, UV, Soft Shut down) + Built-in Bootstrap diode & TSD function (from V4) SPM4 < 1kW (600V 15A) 6-IGBT / FRD for inverter + Gate driver with Protection (SC, UV, Soft Shut down) + Thermistor SPM5 < 0.1kW (500V 3A)-MOSFET 6-MOSFET for inverter + Gate driver with Protection ( UV) + OT,OC, FO function + Bootstrap diode (from V2) SPM6 < 0.5kW (500V 9A, 75V 75A) - MOSFET 2-MOSFET for inverter + Gate driver with Protection ( OC, OT, UV) + Bootstrap diode 2 Confidential External View 95x55 60x31 44x26.8 SPIM Series SPM2 Series SPM3 Series 45x28 54x29.5 SPM4 SIP1 Series SPM4 SIP2 Series 3 29x12 26x10.5 SPM5 Series SPM6 Series Confidential Line-up of SPM2 and SPM3 60x31 PKG SPM2 PKG with Ceramic substrate Developed SPM2 V1 600V-10/15/20/30A FSAM10SH(M)60A FSAM15SH(M)60A FSAM20SH(M)60A FSAM30SH(M)60A Developing 60x31 SPM2 PKG with DBC substrate SPM2 V1 600V-50A/75A FSAM50SM60A FSAM75SM60A SPM2 V4 (P10,’08 code S) 600V15/20/30/5075A FSAM15CH60C FSAM20CH60C FSAM30CH60C FSAM50CH60C FSAM75CH60C 44x26.8 SPM3 PKG with Ceramic substrate SPM3 V2 600V-3/5/10/15A FSBS3/5/10/15CH60 SPM3 MOSFET 500V-5/6A FCBS0550 FCBS0650 4 44x26.8 SPM3 Full-pack PKG 44x26.8 SPM3 PKG With DBC substrate SPM3 V4 (P6, ’07 code S) 600V-3/5/10/15A FSBF3CH60B FSBF5CH60B(T) FSBF10CH60B(T) FSBF15CH60BT SPM3 V2 600V-15/20/30A FSBB15/20/30CH60 SRM 1phase-SPM3 : 600V-50A FCAS50SN60 PSCM-SPM3 : 600V-20A FSAB20PH60 PFCM-SPM3 : 600V-20/30/50A FPDB20PH60,FPD(A)B30/50PH60 SPM3 V4 (P7,’07 code S) 600V-15/20/30A FSBB15CH60B(T) FSBB20CH60B(T) FSBB30CH60B Boost PFCM-SPM3 (P6,’07 code S) : 600V-30A FPAB30BH60 SPM3 V5 (P10, ’08 code S) 600V-3/5/10/15A FSBF3CH60C FSBF5CH60C FSBF10CH60C FSBF15CH60C SPM3 V5 (P10, ’08 code S) 600V-15/20/30A FSBB15CH60C FSBB20CH60C FSBB30CH60C Confidential SPM2 V1 P (32) (22) VB(W) (21) VCC(WH) VB VCC COM IN (20) IN(WH) (23) VS(W) (21) VCC(WH) OUT W (31) VS (20) IN(WH) (23) VS(W) (18) VB(V) (18) VB(V) VB (17) VCC(VH) (16) COM(H) (15) IN(VH) (19) VS(V) VCC COM IN (17) VCC(VH) (16) COM(H) OUT (15) IN(VH) V (30) VS (19) VS(V) (13) VB(U) (13) VB(U) VB (12) VCC(UH) VCC COM IN (11) IN(UH) (14) VS(U) (12) VCC(UH) OUT (11) IN(UH) U (29) VS (14) VS(U) P (32) VB VCC COM IN OUT W (31) VS VB VCC COM IN OUT VS V (30) VB VCC COM IN OUT U (29) VS (10) RSC (10) RSC (9) CSC (9) CSC C(SC) OUT(WL) (8) CFOD (8) CFOD C(FOD) (7) VFO NW (28) VFO (6) COM(L) (7) VFO (6) COM(L) (5) IN(WL) (5) IN(WL) IN(WL) OUT(VL) (4) IN(VL) (4) IN(VL) IN(VL) (3) IN(UL) NV (27) IN(UL) (2) COM(L) (1) VCC(L) (22) VB(W) COM(L) (3) IN(UL) (2) COM(L) (1) VCC(L) OUT(UL) VCC C(SC) OUT(WL) C(FOD) NW (28) VFO IN(WL) OUT(VL) IN(VL) NV (27) IN(UL) COM(L) OUT(UL) VCC NU (26) NU (26) RTH (25) RTH (25) THERMISTOR < Inner Bonding > VTH (24) THERMISTOR < Out Bonding > VTH (24) Line-up : - 600V/10A, 15A, 20A, 30A – with Ceramic Substrate, (Inner Bonding) - 600V/50A, 75A – with DBC Substrate (Out Bonding) Major Applications : - Consumer appliance inverters (Air conditioner, Treadmill) - Low power industrial inverters Feature : - Built-in thermistor (NTC) - Active Low - Inner bonding/Out bonding - Short-circuit protection with soft shut- down control using sense-IGBTs - Good thermal resistance and isolation capacity with ceramic/DBC substrate - 3 N-terminals for low-cost current sensing 5 Confidential SPM2 V4 (under development) (22) VB(W) (21) VCC(WH) (20) IN(WH) (23) VS(W) P (32) VB VCC COM IN OUT W (31) VS (18) VB(V) (17) VCC(VH) (16) COM(H) (15) IN(VH) (19) VS(V) VB VCC COM IN OUT VS V (30) (13) VB(U) VB (12) VCC(UH) (11) IN(UH) (14) VS(U) VCC COM IN OUT U (29) VS (10) NC (9) CSC (8) CFOD (7) VFO (6) COM(L) (5) IN(WL) C(SC) OUT(WL) C(FOD) NW (28) VFO IN(WL) OUT(VL) (4) IN(VL) IN(VL) NV (27) (3) IN(UL) IN(UL) (2) COM(L) COM(L) (1) VCC(L) OUT(UL) VCC NU (26) RTH (25) THERMISTOR VTH (24) Line-up : - 600V/15A, 20A, 30A, 50A, 75A with DBC Substrate Major Applications : - Consumer appliance inverters (Air conditioner, Treadmill) - Low power industrial inverters Feature : - Built-in thermistor (NTC) - Active Low - Inner bonding - Built-in TSD(Thermal Shut Down) function - Short-circuit protection with soft shut- down control - High efficiency & robust NPT IGBT adopted - Good thermal resistance and isolation capacity with ceramic/DBC substrate - 3 N-terminals for low-cost current sensing < Inner Bonding > 6 Confidential SPM3 V2 (19) VB(W) P (27) (18) VCC(WH) VB VCC (17) IN(WH) COM IN (20) VS(W) (15) VB(V) (14) VCC(VH) VB VCC (13) IN(VH) COM IN (16) VS(V) (11) VB(U) (10) VCC(UH) (9) IN(UH) (12) VS(U) (8) CSC (7) CFOD (6) VFO (5) IN(WL) (4) IN(VL) (3) IN(UL) (2) COM (1) VCC(L) OUT VS W (26) OUT VS V (25) VB VCC COM IN OUT VS U (24) C(SC) OUT(WL) C(FOD) NW (23) VFO IN(WL) OUT(VL) IN(VL) NV (22) IN(UL) COM VCC OUT(UL) VSL NU (21) Line-up : - 600V/3A, 5A, 10A, 15A – with Ceramic Substrate - 600V/15A, 20A, 30A – with DBC Substrate Major Applications : - Consumer appliance inverters (Air conditioner, Washing machine, Refrigerator, etc) - Low power industrial inverters (Industrial inverter, Water pump, Treadmill, Sewing machine Door Controller, etc) Feature : - Good thermal resistance - Active High - Out bonding - Small size & Large pin-to-pin spacing with zigzag package structure - 3 N-terminals for low-cost current sensing < Out Bonding > 7 Confidential SPM3 V4 (19) VB(W) (18) VCC (17) IN(WH) (20) VS(W) (15) VB(V) (14) VCC (13) IN(VH) (16) VS(V) (11) VB(U) (10) VCC (9) IN(UH) (12) VS(U) (8) CSC (7) CFOD (6) VFO (5) IN(WL) (4) IN(VL) (3) IN(UL) P (27) VB VCC COM IN OUT VS W (26) VB VCC COM IN OUT VS V (25) VB VCC COM IN OUT VS U (24) C(SC) OUT(WL) C(FOD) NW (23) VFO IN(WL) OUT(VL) IN(VL) NV (22) IN(UL) (2) COM COM (1) VCC VCC OUT(UL) VSL < Inner Bonding > NU (21) Line-up : - 600V/3A, 5A, 10A, 15A – with Full-pack PKG - 600V/15A, 20A, 30A – with DBC Substrate Major Applications : - Consumer appliance inverters (Air conditioner, Washing machine, Refrigerator, etc) - Low power industrial inverters (Industrial inverter, Water pump, Treadmill, Sewing machine Door Controller, etc) Feature : - Good thermal resistance - Active High - Inner bonding - Small size & Large pin-to-pin spacing with zigzag package structure - Built-in Boot strap diodes - Built-in TSD (Thermal Shut Down) function - High efficiency & robust NPT IGBT adopted - 3 N-terminals for low-cost current sensing 8 Confidential SPM3 MOSFET (19) VB(W) P (27) (18) VCC(WH) VB VCC (17) IN(WH) COM IN (20) VS(W) (15) VB(V) (14) VCC(VH) (13) IN(VH) (16) VS(V) (11) VB(U) (10) VCC(UH) (9) IN(UH) (12) VS(U) (8) CSC (7) CFOD (6) VFO (5) IN(WL) (4) IN(VL) (3) IN(UL) OUT VS W (26) VB VCC COM IN OUT VS V (25) VB VCC COM IN OUT VS U (24) C(SC) OUT(WL) C(FOD) NW (23) VFO IN(WL) OUT(VL) IN(VL) NV (22) IN(UL) (2) COM COM (1) VCC(L) VCC Line-up : - 500V/ 5A (1.35(typ.)), 6A (1.15(typ)) Major Applications : - Low power consumer appliance inverters (Refrigerator, Fan) Feature : - 3-phase MOSFET inverter with driver IC - Good thermal resistance - Small size & Large pin-to-pin spacing with zigzag package structure - 3 N-terminals for low-cost current sensing OUT(UL) VSL NU (21) Chap. 2 9 SPM Introduction Confidential PSCM - SPM3 Package VTH RTH CSC CFOD VFO IN(S) IN(R) NTC Thermistor PR D1 D2 S CSC R CFOD VFO IN(S) OUT(S) Q1 D3 Q2 D4 IN(R) COM COM ND OUT(R) VCC VCC NR NS PSC-SPM (Partial switching PFC) Line-up : - 600V/20A - SPM3 package with DBC - 600V/30A - SPM3 package with DBC (under development) Major Applications : - Low/Medium power consumer appliances such as Room air conditioner Feature : - Good thermal resistance - Same package as SPM3 - Built-in thermistor for temperature sensing - LVIC with UVP, OCP 10 Confidential PFCM - SPM3 Package VTH RTH NTC Thermistor PR D1 CSC CFOD D2 CSC S CFOD R VFO VFO IN(S) IN(S) IN(R) IN(R) COM COM VCC VCC OUT(S) OUT(R) Q1 D3 Q2 D4 N Shunt Resistor NSENSE VAC- PFC-SPM (Full switching PFC) Line-up : - 600V/20A, 30A, 50A - SPM3 package with DBC Major Applications : - Medium/high power consumer appliance such as Package/System air conditioner Feature : - Good thermal resistance - Built-in shunt resistor (Optional) - Same package as SPM3 - Built-in thermistor for temperature sensing - LVIC with UVP, OCP - Tj = -20 ~ 150deg 11 Confidential Boost PFCM - SPM3 Package VTH RTH NTC Thermistor P VG CSC CSC CFOD VFO IN COM L CFOD VFO IN(S) COM VCC VCC N NR PR OUT R S Line-up : - 600V/30A – SPM3 package with DBC Major Applications : - AC 85V ~ 264V single-phase front-end rectifier - Mid-power application especially for an air conditioners Feature : - Low thermal resistance due to Al2O3-DBC substrate - Active High - Single-phase rectifier diode - single-phase IGBT PWM semi-converter including a drive IC for gate driving and protection - Typical switching frequency of 20kHz - Built-in thermistor for temperature sensing - LVIC with UVP, OCP - Tj = -20 ~ 150deg 12 Confidential SRM 1Phase - SPM3 Package P (27) (15) VB (14) VCC(H) (13) IN(H) (16) VS VB VCC COM IN OUT VS A (26) (17) G(H) (18) E(H) (12) NC B (25) (11) NC (8) CSC (7) CFOD (6) VFO (5) IN(L) C(SC) OUT(UL) C(FOD) IN(WL) OUT(VL) NA (24) IN(VL) (3) NC IN(UL) (2) COM COM(L) OUT(WL) VCC NB1 (23) (9) G(L) (10) E(L) Major Applications : - Single-phase SRM drives (Vacuum cleaner) VFO (4) NC (1) VCC(L) Line-up : - 600V/50A - SPM3 package with DBC NC (22) NB2 (21) Feature : - Good thermal resistance - Built-in thermistor (NTC) - Small size & Large pin-to-pin spacing with zigzag package structure - Divided N-terminals for low-cost current sensing R(TH) (19) V(TH) (20) Chap. 2 13 SPM Introduction Confidential Line-up of SPM4, SPM5 and SPIM * Gray color: Not fixed development plan 54x29.5 PKG SPM4-SIP1 PKG 45x28 SPM4-SIP2 PKG SPM5 PKG 95x55 SPIM PKG SPM5 V1 DIP/SMD 500V - 2A(3.3(typ)), 4A(1.9(typ)), 5A(1.3(typ)) FSB50250(T/S), FSB50450(T/S), FSB50550(T/S) 250V - 3A(1.4(typ)) FSB50325(T/S) Developed Developing 29x12 SPM4-SIP1 (P11, ’07 code S) 600V-10/16A FDAU1060A FDAU1660A (Q2, ’08 code S) 600V-20/30A FDAU2060A FDAU3060A SPM4-SIP2 (P6, ’08 code S) 600V-10/15A FSAU10/15CH60 SRM 2phase-SIP2 (P10, ’07 code S) 600V- 10/20/30A FCAS20/30DN60B SPM5 V2 DIP/SMD (P5, ’08 code S) 500V- 2/4/5A, 250V - 3A FSB50250A(T/S), FSB50450A(T/S), FSB50550A(T/S), FSB50325A(T/S) MV SPM5 DIP/SMD (P10, ’07 code S) 60V- 20A( 48m (typ)) FSB52006(S) 14 SPIM 1200V 1200V- 30/45A(CI) (P9,’08 code S) FSSR30/45CH120 1200V- 45A (Inv.) (P6,’08 code S) FSSN45CH120 1200V- 30/60A (Inv.) (P9,’08 code S) FSSN30CH120 FSSN60CH120 SPIM 600V 600V- 50/75A (CI) (Q2,’08 code S ) FSSR75CH60 600V- 50/75/100A (Inv.) (P10,’07 code S ) FSSN50CH60 SPM4 - SIP1 Package Confidential (under development) Line-up : - 600V/10A, 16A, 20A, 30A Major Applications : - Consumer appliance inverters (Air conditioner, Washing machine, Refrigerator, Water pump, etc) - Low power industrial inverters (Fan Motor, Industrial Inverter, etc) Feature : - Large pin spacing and signal/power pins separation - Single-In-Line package - Active High - 3 N-terminals for low-cost current sensing - Built-in thermistor - High efficiency & robust NPT IGBT adopted 15 SPM4 - SIP2 Package Confidential (under development) (1) W,VS(W) (2) VB(W) VCC VB (3) IN(WH) HIN HO (4) IN(WL) LIN VS FO LO COM CSC VSS VCC VB (7) IN(VH) HIN HO (8) IN(VL) LIN VS FO LO (5) V,VS(V) (6) VB(V) COM CSC VSS (9) U,VS(U) (10) VB(U) VCC VB (11) IN(UH) HIN HO (12) IN(UL) LIN VS (13) VCC FO LO (16) COM (14) CSC (18) VFO (15) NU (17) NV (19) NW (20) P COM CSC VSS Thermistor Line-up : - 600V/ 10A, 15A Major Applications : - Consumer appliance inverters (Air conditioner, Washing machine, Refrigerator, Water pump, etc) - Low power industrial inverters (Fan Motor, Industrial Inverter, etc) Feature : - Cross-Conduction Prevention Logic - Single-In-Line package - Active High - 3 N-terminals for low-cost current sensing - Built-in thermistor - High efficiency & robust NPT IGBT adopted 16 SRM 2phase - SIP2 Package Confidential (under development) (10) VB(U) (20) P VCC VB (11) IN(UH) IN(UH) COM OUT VS (9) VS(U) / U+ (6) VB(V) (8) IN(VH) VCC IN(VH) COM VB OUT (5) VS(V) / V+ VS (3) U- (4) U(12) CSC Csc (13) CFOD (14) VFO OUT(UL) (1) V- Cfod Vfo (16) IN(UL) (2) V- IN(UL) (15) IN(VL) IN(VL) (17) VCC (18) COM (7) V(TH) VCC COM(L) OUT(VL) (19) N Line-up : - 600V/ 10A, 20A, 30A Major Applications : - 2-phase SRM drives (Vacuum cleaner) Feature : - 2-phase asymmetric bridge converter - Active High - Single-In-Line package - Built-in bootstrap diode - Built-in thermistor (NTC) - Low saturation voltage - Large pin spacing and signal/power pins separation - High efficiency & robust NPT IGBT adopted Gray color : Not fixed development plan 17 Confidential SPM5 V1 (1) COM (2) VB(U) (3) VCC(U) (4) IN(UH) (5) IN(UL) (6) VS(U) (17) P VCC VB HIN HO LIN VS COM LO (19) NU (7) VB(V) (8) VCC(V) (9) IN(VH) (10) IN(VL) (11) VS(V) (18) U VCC VB HIN HO LIN VS COM LO VCC VB HIN HO LIN VS COM LO (20) NV (21) V (12) VB(W) (13) VCC(W) (14) IN(WH) (15) IN(WL) (16) VS(W) (22) NW (23) W Line-up : - V1 SPM5 DIP: 500V/2A(3.3(typ)), 4A(1.9(typ)), 5A(1.3 (typ)) & 250V/3A(1.4 (typ)) - V1 SPM5 SMD: 500V/2A, 4A, 5A & 250V/3A - MV SPM5 DIP and SMD : 60V/20A( 48m(typ) ) (Under development) - Transfer-molded full-pack package Major Applications : - Fan motor, water pump, etc. - Small motor applications up to 150W Feature : - High power density compared to small package - Ruggedness (Switching and short-circuit) - Low conducted and radiated EMI (Slow dV/dt & dI/dt) - HVIC with UVP 18 Confidential SPM5 V2 (under development) DIP SMD Double DIP (1) COM (2) VB(U) (17) P (3) VCC(U) VCC VB (4) IN(UH) HIN HO (5) IN(UL) LIN VS (6) FO(U) FO LO COM (19) NU (7) VB(V) (8) VCC(V) VCC VB (9) IN(VH) HIN HO (10) IN(VL) LIN VS FO LO (11) FO(V) (18) U (20) NV (21) V COM (12) VB(W) (13) VCC(W) VCC VB (14) IN(WH) HIN HO (15) IN(WL) LIN VS (16) FO(W) FO LO COM (22) NW (23) W Line-up : - V2 SPM5 DIP: 500V/ 2A(3.3(typ)), 4A(1.9(typ)), 5A(1.3 (typ)) & 250V/ 3A(1.4 (typ)) - V2 SPM5 SMD: 500V/ 2A, 4A, 5A & 250V - 3A - Transfer-molded full-pack package Major Applications : - Fan motor, water pump, etc. - Small motor applications up to 150W Feature : - High power density compared to small package - Ruggedness (Switching and short-circuit) - Low conducted and radiated EMI (Slow dV/dt & dI/dt) - HVIC with UVP - Built-in bootstrap diode - No external REH connection - Multi-function I/O, FO 19 Confidential SPIM-CI (under development) PR VB(U) VS(U) P VCC IN(UH) D11 D13 D15 VCC VB HIN R VB(V) VS(V) D1 HIN COM U VTH LIN D3 HIN Q4 LO LIN D4 D5 W VS CSC FO Q5 HO COM V VS CSC D14 D16 D12 VB(W) VS(W) VCC VB Q3 HO VS T IN(WH) VCC VB Q1 HO COM S IN(VH) CSC Q6 LO D6 LIN FO D2 Q2 LO FO RTH NR COM CSC IN(UL)FO NU IN(VL) IN(WL) NV NW < 1200V > PR D11 D13 IN(UH) VCC VB(U) VS(U) VCC VB HIN HO P IN(VH) VB(V) VS(V) Q1 D1 COM VS R VCC VB HIN HO IN(WH) Q3 VCC VB HIN HO Q5 D5 COM VS COM VS U S D3 VB(W) VS(W) W V VCC T D14 D16 COM LINU LOU VTH Q4 D4 Q6 Q2 D6 LINV LINW LOV RTH FO CSC LOW NR IN(UL)IN(VL)IN(WL)COM FO CSC NU NV NW < 600V > Gray color : Not fixed development plan 20 D2 Line-up : - 1200V/ 30A, 45A - 600V/ 50A, 75A - Transfer-molded DBC package Major Applications : - Industrial Inverter, System A/C Feature : - High power density in a small package - 3-phase Rectifier and IGBT inverter - Built-in Thermistor for temperature sensing - Good thermal resistance - 3 N-terminals for low-cost current sensing Confidential SPIM-INV (under development) VB(U) VS(U) P VCC IN(UH) IN(VH) VCC VB HIN IN(WH) VCC VB Q1 HO COM VTH VB(V) VS(V) D1 HIN VCC VB Q3 HO COM U VS VB(W) VS(W) D3 HIN COM V VS CSC Q5 HO D5 W VS CSC CSC RTH LIN Q4 LO LIN D4 FO Q6 LO D6 LIN FO COM CSC IN(UL)FO IN(VL) NU D2 Q2 LO FO IN(WL) NV NW < 1200V > IN(UH) VCC VTH RTH VB(U) VS(U) VCC VB HIN HO COM P IN(VH) VB(V) VS(V) Q1 D1 VCC VB HIN HO COM VS IN(WH) Q3 D3 VS U VB(W) VS(W) VCC VB HIN HO COM VS Q5 D5 W V VCC COM LINU LOU Q4 D4 Q6 D6 Q2 LINV LINW LOV FO CSC LOW IN(UL)IN(VL)IN(WL)COM FO CSC NU NV NW < 600V > Gray color : Not fixed development plan 21 D2 Line-up : - 1200V/ 30A, 45A, 60A - 600V/ 50A, 75A, 100A - Transfer-molded DBC package Major Applications : - Industrial Inverter, System A/C Feature : - High power density in a small package - 3-phase IGBT inverter - Built-in Thermistor for temperature sensing - Good thermal resistance - 3 N-terminals for low-cost current sensing Confidential SPM6 (under development) 10.5x26 (8) VB VB (2) VCC VCC (3) HIN HIN (4) LIN LIN (5) FO FO (6) COM COM Not fixed (1) P HO VS (9) U LO (7) N Line-up : (Q2, ’08 code S) - 500V/ 9A, 13A MOSFET (UNIFET) - 600V/ 3A, 5A, 8A IGBT (NPT IGBT) - 75V/ 75A MOSFET (ULTRAFET, PT3 MOSFET) Major Applications : - Consumer appliance inverters (Washing machine, Refrigerator, etc) - E-Bike, Power Tools (B&D) Feature : - Single-In-Line 9-SIP compact package - Built-in fault-out and external shut-down functions - Built-in Bootstrap diode - OC, OT, UV protection Function - FO function(not fixed) - Thermal Shut-down(not fixed) - Two kinds of Form Package(9-SIP-Y or 9-SIP-L) 22 Confidential Thank You. 23