Datasheet LTC3537 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO |
| 页数 / 页 | 22 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| 文件格式/大小 | PDF / 322 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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LTC3537
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW INB and VINL Voltage ... –0.3V to 6V SW DC Voltage ... –0.3V to 6V LBO OUTB PGND SW V SW Pulsed (<100ns) Voltage ... –0.3V to 7V 16 15 14 13 FBB, FBL, PGDB, PGDL Voltage ... –0.3V to 6V MODE 1 12 VINL MODE, ENBST, ENLDO Voltage ... –0.3V to 6V LBI 2 11 VOLDO 17 SGND 3 10 FBL LBI and LBO Voltage .. –0.3V to 6V VINB 4 9 FBB VOUTB, VOLDO ... –0.3V to 6V 5 6 7 8 Operating Temperature (Notes 2, 5) ... –40°C to 85°C Junction Temperature ... 125°C PGDB ENBST PGDL ENLDO Storage Temperature Range ... –65°C to 125°C UD PACKAGE 16-LEAD (3mm × 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 68°C/W (Note 6) EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3537EUD#PBF LTC3537EUD#TRPBF LDBD 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. 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
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VINB = 1.2V, VOUTB = 3.3V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Boost Converter
VINMIN Minimum Start-Up Voltage ILOAD = 1mA 0.68 0.8 V VOUTB Output Voltage Range l 1.5 5.25 V VFBB Feedback Voltage l 1.179 1.21 1.240 V IFBB Feedback Input Current 1 50 nA IQSHDN Quiescent Current - Shutdown VENBST = VENLDO = 0V, Not Including SW Leakage, 0.02 1 μA VOUTB = 0V IQACTIVE Quiescent Current - Active Measured on VOUTB, Nonswitching, MODE = 1.2V, 300 500 μA VENLDO = 0V IQBURST Quiescent Current - Burst Measured on VOUTB, FBB >1.24V, MODE = 1.2V, 15 μA VENLDO = 0V INLEAK NMOS Switch Leakage Current VSW = 5V 0.1 5 μA IPLEAK PMOS Switch Leakage Current VSW = 5V, VOUTB = 0V 0.1 10 μA 3537fd 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
V TOP VIEW INB and VINL Voltage ... –0.3V to 6V SW DC Voltage ... –0.3V to 6V LBO OUTB PGND SW V SW Pulsed (<100ns) Voltage ... –0.3V to 7V 16 15 14 13 FBB, FBL, PGDB, PGDL Voltage ... –0.3V to 6V MODE 1 12 VINL MODE, ENBST, ENLDO Voltage ... –0.3V to 6V LBI 2 11 VOLDO 17 SGND 3 10 FBL LBI and LBO Voltage .. –0.3V to 6V VINB 4 9 FBB VOUTB, VOLDO ... –0.3V to 6V 5 6 7 8 Operating Temperature (Notes 2, 5) ... –40°C to 85°C Junction Temperature ... 125°C PGDB ENBST PGDL ENLDO Storage Temperature Range ... –65°C to 125°C UD PACKAGE 16-LEAD (3mm × 3mm) PLASTIC QFN TJMAX = 125°C, θJA = 68°C/W (Note 6) EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3537EUD#PBF LTC3537EUD#TRPBF LDBD 16-Lead (3mm × 3mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. 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
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VINB = 1.2V, VOUTB = 3.3V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Boost Converter
VINMIN Minimum Start-Up Voltage ILOAD = 1mA 0.68 0.8 V VOUTB Output Voltage Range l 1.5 5.25 V VFBB Feedback Voltage l 1.179 1.21 1.240 V IFBB Feedback Input Current 1 50 nA IQSHDN Quiescent Current - Shutdown VENBST = VENLDO = 0V, Not Including SW Leakage, 0.02 1 μA VOUTB = 0V IQACTIVE Quiescent Current - Active Measured on VOUTB, Nonswitching, MODE = 1.2V, 300 500 μA VENLDO = 0V IQBURST Quiescent Current - Burst Measured on VOUTB, FBB >1.24V, MODE = 1.2V, 15 μA VENLDO = 0V INLEAK NMOS Switch Leakage Current VSW = 5V 0.1 5 μA IPLEAK PMOS Switch Leakage Current VSW = 5V, VOUTB = 0V 0.1 10 μA 3537fd 2