LTC3624_15 Datasheet, PDF (20/20 Pages) Linear Technology – 17V, 2A Synchronous Step-Down Regulator with 3.5A Quiescent Current

LTC3624/LTC3624-2
Typical Application
V_IN
5V TO 17V
4.2V_OUT, 1MHz, Burst Mode Operation
L1
2.2µH
C_IN
10µF
V_IN
SW
LTC3624
RUN
FB
604k
22pF
MODE/SYNC
INTV_CC
100k
GND
2.2µF
V_OUT
4.2V
C_OUT 2A MAX
47µF
36242 TA02
L1: COILCRAFT XAL4020 -222ME
1.2V_OUT, Synced to 500kHz, Forced Continuous Mode
V_IN
2.7V TO 17V
C_IN
10µF
V_IN
SW
LTC3624
RUN
FB
L1
2.2µH
604k
22pF
C_OUT
47µF
V_OUT
1.2V
2A MAX
36242 TA03
MODE/SYNC
604k
500kHz CLK
INTV_CC
GND
2.2µF
L1: COILCRAFT XAL4020 -222ME
12V Step-Down with 2A Output Current Limit, 2.25MHz
V_IN
13V TO 17V
C_IN
10µF
V_IN
SW
LTC3624-2
RUN
FB
MODE/SYNC
INTV_CC
GND
L1
1.5µH
619k
32.4k
2.2µF
15pF
V_OUT
C_OUT ^12V
47µF
36242 TA04
L1: COILCRAFT XAL4020-152ME
Related Parts
PART NUMBER
DESCRIPTION
COMMENTS
LTC3621
17V, 1A, 2.25MHz/1MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 2.7V to 17V, V_OUT(MIN) = 0.6V, I_Q = 3.5µA, I_SD < 1µA,
2mm × 3mm DFN-6, MSOP-8E Packages
LTC3600
15V, 1.5A, 4MHz Synchronous Rail-to-Rail Single
Resistor Step-Down Regulator
95% Efficiency, V_IN: 4V to 15V, V_OUT(MIN) = 0V, I_Q = 700µA, I_SD < 1µA,
3mm × 3mm DFN-12, MSOP-12E Packages
LTC3601
15V, 1.5A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 3.6V to 15V, V_OUT(MIN) = 0.6V, I_Q = 300µA, I_SD < 14µA,
3mm × 3mm QFN-16, MSOP-16E Packages
LTC3603
15V, 2.5A (I_OUT) 3MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 4.5V to 15V, V_OUT(MIN) = 0.6V, I_Q = 75µA, I_SD < 1µA,
4mm × 4mm QFN-20, MSOP-16E Packages
LTC3633/LTC3633A
LTC3605/LTC3605A
15V/20V, Dual 3A (I_OUT) 4MHz Synchronous
Step-Down DC/DC Converter
15V/20V, 5A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 3.6V to 15V/20V, V_OUT(MIN) = 0.6V, I_Q = 500µA,
I_SD < 15µA, 4mm × 5mm QFN-28, TSSOP-28E Packages
95% Efficiency, V_IN: 4V to 15V/20V, V_OUT(MIN) = 0.6V, I_Q = 2mA, I_SD < 15µA,
4mm × 4mm QFN-24 Package
LTC3604
15V, 2.5A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 3.6V to 15V, V_OUT(MIN) = 0.6V, I_Q = 300µA, I_SD < 14µA,
3mm × 3mm QFN-16, MSOP-16E Packages
36242fc
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3624}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3624
LT 0615 REV C • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2014