Datasheet LT1936 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 1.4A, 500kHz Step-Down Switching Regulator |
| 页数 / 页 | 20 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 306 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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LT1936
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN Voltage ... –0.4V to 36V BOOST Voltage ...43V TOP VIEW BOOST 1 8 COMP BOOST Above SW Voltage ..20V V 2 IN 7 VC SHDN 9 Voltage .. –0.4V to 36V SW 3 6 FB GND 4 5 SHDN FB, VC, COMP Voltage ...6V MS8E PACKAGE Operating Temperature Range (Note 2) 8-LEAD PLASTIC MSOP θ LT1936E ... –40°C to 85°C JA = 40°C/W, θJC = 10°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB LT1936I .. –40°C to 125°C LT1936H .. –40°C to 150°C Maximum Junction Temperature LT1936E, LT1936I ... 125°C LT1936H ... 150°C 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
LT1936EMS8E#PBF LT1936EMS8E#TRPBF LTBMT 8-Lead Plastic MSOP –40°C to 85°C LT1936IMS8E#PBF LT1936IMS8E#TRPBF LTBRV 8-Lead Plastic MSOP –40°C to 125°C LT1936HMS8E#PBF LT1936HMS8E#TRPBF LTBWB 8-Lead Plastic MSOP –40°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1936EMS8E LT1936EMS8E#TR LTBMT 8-Lead Plastic MSOP –40°C to 85°C LT1936IMS8E LT1936IMS8E#TR LTBRV 8-Lead Plastic MSOP –40°C to 125°C LT1936HMS8E LT1936HMS8E#TR LTBWB 8-Lead Plastic MSOP –40°C to 150°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Undervoltage Lockout 3.45 3.6 V Quiescent Current VFB = 1.5V 1.8 2.5 mA Quiescent Current in Shutdown VSHDN = 0V 0.1 2 μA FB Voltage ● 1.175 1.200 1.215 V FB Pin Bias Current (Note 4) VFB = 1.20V, E and I Grades ● 50 200 nA H Grade ● 50 300 nA FB Voltage Line Regulation VIN = 5V to 36V 0.01 %/V Error Amp gm VC = 0.5V, IVC = ±5μA 250 μS Error Amp Voltage Gain VC = 0.8V, 1.2V 150 1936fd 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN Voltage ... –0.4V to 36V BOOST Voltage ...43V TOP VIEW BOOST 1 8 COMP BOOST Above SW Voltage ..20V V 2 IN 7 VC SHDN 9 Voltage .. –0.4V to 36V SW 3 6 FB GND 4 5 SHDN FB, VC, COMP Voltage ...6V MS8E PACKAGE Operating Temperature Range (Note 2) 8-LEAD PLASTIC MSOP θ LT1936E ... –40°C to 85°C JA = 40°C/W, θJC = 10°C/W EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB LT1936I .. –40°C to 125°C LT1936H .. –40°C to 150°C Maximum Junction Temperature LT1936E, LT1936I ... 125°C LT1936H ... 150°C 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
LT1936EMS8E#PBF LT1936EMS8E#TRPBF LTBMT 8-Lead Plastic MSOP –40°C to 85°C LT1936IMS8E#PBF LT1936IMS8E#TRPBF LTBRV 8-Lead Plastic MSOP –40°C to 125°C LT1936HMS8E#PBF LT1936HMS8E#TRPBF LTBWB 8-Lead Plastic MSOP –40°C to 150°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LT1936EMS8E LT1936EMS8E#TR LTBMT 8-Lead Plastic MSOP –40°C to 85°C LT1936IMS8E LT1936IMS8E#TR LTBRV 8-Lead Plastic MSOP –40°C to 125°C LT1936HMS8E LT1936HMS8E#TR LTBWB 8-Lead Plastic MSOP –40°C to 150°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
Undervoltage Lockout 3.45 3.6 V Quiescent Current VFB = 1.5V 1.8 2.5 mA Quiescent Current in Shutdown VSHDN = 0V 0.1 2 μA FB Voltage ● 1.175 1.200 1.215 V FB Pin Bias Current (Note 4) VFB = 1.20V, E and I Grades ● 50 200 nA H Grade ● 50 300 nA FB Voltage Line Regulation VIN = 5V to 36V 0.01 %/V Error Amp gm VC = 0.5V, IVC = ±5μA 250 μS Error Amp Voltage Gain VC = 0.8V, 1.2V 150 1936fd 2