LTC3630A Datasheet, PDF (24/24 Pages) Linear Technology – High Efficiency, 76V 500mA Synchronous Step-Down Converter

LTC3630A
Typical Application
4V to 76V Input to 3.3V Output, 500mA Step-Down Converter
V_IN
4V TO 76V
C_IN
2.2µF
V_IN
SW
LTC3630A
RUN
V_FB
SS
V_PRG1 V_PRG2
FBO
I_SET
GND
L1
10µH
3630a TA06
C_OUT
47µF
V_OUT
3.3V
500mA
C_IN: TDK CGA6N3X7R2A225K
C_OUT: MURATA GCM32ER70J476KE19L
L1: COILCRAFT MSS1038T-103
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PART NUMBER DESCRIPTION
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LT3970
LT3990
LT3971
LT3991
LT3682
40V, 350mA, 2.2MHz High Efficiency Micropower Step-Down
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38V, 1.2A, 2.2MHz High Efficiency Micropower Step-Down
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COMMENTS
V_IN: 4V to 65V, V_OUT(MIN) = 0.8V, I_Q = 12µA, I_SD = 5µA,
3mm × 5mm DFN-8, MSOP-16E
V_IN: 4.5V to 45V, V_OUT(MIN) = 0.8V, I_Q = 12µA, I_SD = 3µA,
3mm × 3mm DFN-8, MSOP-8
V_IN: 4.5V to 45V, V_OUT(MIN) = 0.8V, I_Q = 12µA, I_SD = 3µA,
3mm × 3mm DFN-8, MSOP-8
V_IN: 4.5V to 50V, V_OUT(MIN) = 0.8V, I_Q = 12µA, I_SD = 3µA,
3mm × 3mm DFN-8, MSOP-8
V_IN: 2.5V to 15V, V_OUT(MIN) = 0.6V, I_Q = 1.8µA, I_SD = 1µA,
3mm × 3mm DFN-10, MSOP-10E
V_IN: 2.5V to 15V, V_OUT(MIN) = 0.6V, I_Q = 2.6µA, I_SD = 1µA,
4mm × 3mm DFN-14, MSOP-16E
V_IN: 4.2V to 40V, V_OUT(MIN) = 1.21V, I_Q = 2.5µA, I_SD < 1µA,
3mm × 2mm DFN-10, MSOP-10
V_IN: 4.2V to 62V, V_OUT(MIN) = 1.21V, I_Q = 2.5µA, I_SD < 1µA,
3mm × 3mm DFN-10, MSOP-16E
V_IN: 4.3V to 38V, V_OUT(MIN) = 1.19V, I_Q = 2.8µA, I_SD < 1µA,
3mm × 3mm DFN-10, MSOP-10E
V_IN: 4.3V to 55V, V_OUT(MIN) = 1.19V, I_Q = 2.8µA, I_SD < 1µA,
3mm × 3mm DFN-10, MSOP-10E
V_IN: 3.6V to 36V, V_OUT(MIN) = 0.8V, I_Q = 75µA, I_SD < 1µA,
3mm × 3mm DFN-12
V_IN: 4V to 60V, V_OUT(MIN) = 0.8V, I_Q = 50µA, I_SD = 14µA,
3mm × 4mm QFN-20, TSSOP-20E
24 Linear Technology Corporation
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[phone] ^● FAX: [phone] ^● www.linear.com/LTC3630A
3630af
LT 0513 • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2013