Datasheet LTC3638 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | High Efficiency, 140V 250mA Step-Down Regulator |
| 页数 / 页 | 26 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| 文件格式/大小 | PDF / 624 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC3638
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW VIN Supply Voltage ... –0.3V to 140V SW 1 16 GND RUN Voltage... –0.3V to 140V V 3 IN 14 RUN 17 SS, FBO, OVLO, ISET Voltages .. –0.3V to 6V FBO 5 GND 12 OVLO V V 6 PRG2 11 ISET FB, VPRG1, VPRG2 Voltages ... –0.3V to 6V V 7 PRG1 10 SS Operating Junction Temperature Range (Notes 2, 3, 4) GND 8 9 VFB LTC3638E, LTC3638I ... –40°C to 125°C MSE PACKAGE VARIATION: MSE16 (12) LTC3638H .. –40°C to 150°C 16-LEAD PLASTIC MSOP TJMAX = 150°C, θJA = 40°C/W, θJC = 10°C/W LTC3638MP ... –55°C to 150°C EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB Storage Temperature Range .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) ...300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3638EMSE#PBF LTC3638EMSE#TRPBF 3638 16-Lead Plastic MSOP –40°C to 125°C LTC3638IMSE#PBF LTC3638IMSE#TRPBF 3638 16-Lead Plastic MSOP –40°C to 125°C LTC3638HMSE#PBF LTC3638HMSE#TRPBF 3638 16-Lead Plastic MSOP –40°C to 150°C LTC3638MPMSE#PBF LTC3638MPMSE#TRPBF 3638 16-Lead Plastic MSOP –55°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply (VIN)
VIN Input Voltage Operating Range 4 140 V VOUT Output Voltage Operating Range 0.8 VIN V UVLO VIN Undervoltage Lockout VIN Rising l 3.5 3.75 4.0 V VIN Falling l 3.3 3.5 3.8 V Hysteresis 250 mV IQ DC Supply Current (Note 5) Active Mode 150 350 µA Sleep Mode No Load 12 22 µA Shutdown Mode VRUN = 0V 1.4 6 µA VRUN RUN Pin Threshold RUN Rising 1.17 1.21 1.25 V RUN Falling 1.06 1.10 1.14 V Hysteresis 110 mV IRUN RUN Pin Leakage Current RUN = 1.3V –10 0 10 nA VOVLO OVLO Pin Threshold OVLO Rising 1.17 1.21 1.25 V OVLO Falling 1.06 1.10 1.14 V Hysteresis 110 mV 3638fa 2 For more information www.linear.com/LTC3638 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
TOP VIEW VIN Supply Voltage ... –0.3V to 140V SW 1 16 GND RUN Voltage... –0.3V to 140V V 3 IN 14 RUN 17 SS, FBO, OVLO, ISET Voltages .. –0.3V to 6V FBO 5 GND 12 OVLO V V 6 PRG2 11 ISET FB, VPRG1, VPRG2 Voltages ... –0.3V to 6V V 7 PRG1 10 SS Operating Junction Temperature Range (Notes 2, 3, 4) GND 8 9 VFB LTC3638E, LTC3638I ... –40°C to 125°C MSE PACKAGE VARIATION: MSE16 (12) LTC3638H .. –40°C to 150°C 16-LEAD PLASTIC MSOP TJMAX = 150°C, θJA = 40°C/W, θJC = 10°C/W LTC3638MP ... –55°C to 150°C EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB Storage Temperature Range .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) ...300°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3638EMSE#PBF LTC3638EMSE#TRPBF 3638 16-Lead Plastic MSOP –40°C to 125°C LTC3638IMSE#PBF LTC3638IMSE#TRPBF 3638 16-Lead Plastic MSOP –40°C to 125°C LTC3638HMSE#PBF LTC3638HMSE#TRPBF 3638 16-Lead Plastic MSOP –40°C to 150°C LTC3638MPMSE#PBF LTC3638MPMSE#TRPBF 3638 16-Lead Plastic MSOP –55°C to 150°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Supply (VIN)
VIN Input Voltage Operating Range 4 140 V VOUT Output Voltage Operating Range 0.8 VIN V UVLO VIN Undervoltage Lockout VIN Rising l 3.5 3.75 4.0 V VIN Falling l 3.3 3.5 3.8 V Hysteresis 250 mV IQ DC Supply Current (Note 5) Active Mode 150 350 µA Sleep Mode No Load 12 22 µA Shutdown Mode VRUN = 0V 1.4 6 µA VRUN RUN Pin Threshold RUN Rising 1.17 1.21 1.25 V RUN Falling 1.06 1.10 1.14 V Hysteresis 110 mV IRUN RUN Pin Leakage Current RUN = 1.3V –10 0 10 nA VOVLO OVLO Pin Threshold OVLO Rising 1.17 1.21 1.25 V OVLO Falling 1.06 1.10 1.14 V Hysteresis 110 mV 3638fa 2 For more information www.linear.com/LTC3638 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts