LTC3622-2_15 Datasheet, PDF (24/24 Pages) Linear Technology – 17V, Dual 1A Synchronous Step-Down Regulator with Ultralow Quiescent Current

LTC3622/
LTC3622-2/LTC3622-23/5
Typical Application
5V/3.3V Series Output, Burst Mode Operation
V_OUT1
5V
1A
V_IN
5V TO 17V
C_IN
10µF
INTV_CC
10k
3.3µH
C_OUT1
22µF
22pF 604k
82.5k
V_IN1
INTV_CC
MODE/SYNC
RUN1
RUN2
V_IN2
PHASE
I_LIM
LTC3622-2
PGOOD1 PGOOD2
SW1
SW2
FB1 _GND FB2
C1
1µF
1µH
604k
134k
22pF
V_OUT2
3.3V
1A
C_OUT2
22µF
3622 TA03
Related Parts
PART NUMBER
LTC3621/
LTC3621-2
LTC3600
LTC3601
LTC3603
LTC3633A
LTC3605A
LTC3604
LTC3624/
LTC3624-2
DESCRIPTION
COMMENTS
1A, 17V, 1/2.25MHz, Synchronous Step-Down Regulator 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
1.5A, 15V, 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
15V, 1.5A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 4.5V to 15V, V_OUT(MIN) = 0.6V, I_Q = 300µA, I_SD < 1µA,
4mm × 4mm QFN-20, MSOP-16E Packages
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
20V, Dual 3A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
20V, 5A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
15V, 2.5A (I_OUT) 4MHz Synchronous Step-Down
DC/DC Converter
95% Efficiency, V_IN: 3.6V to 20V, V_OUT(MIN) = 0.6V, I_Q = 500µA, I_SD < 15µA,
4mm × 5mm QFN-28, TSSOP-28E Packages. A Version Up to 20V_IN
95% Efficiency, V_IN: 4V to 20V, V_OUT(MIN) = 0.6V, I_Q = 2mA, I_SD < 15µA,
4mm × 4mm QFN-24 Package. A Version Up to 20V_IN
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
2A, 17V, 1MHz/2.25MHz Synchronous Step-Down
Regulator
95% Efficiency, V_IN: 2.7V to 17V, V_OUT(MIN) = 0.6V, I_Q = 3.5µA, I_SD < 1µA,
3mm × 3mm DFN-8 Package
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3622}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3622
3622fa
LT 0315 REV A • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2014