LTC3603_15 Datasheet, PDF (22/22 Pages) Linear Technology – 2.5A, 15V Monolithic Synchronous Step-Down Regulator

LTC3603
Typical Application
12V to 3.3V, 2.5A Regulator at 1MHz, Burst Mode Operation
R_PG
200k
PGOOD
R_OSC
105k
C_ITH
1nF
R_ITH
4.32k
R1
105k
R2
475k
C_FB
10pF
SYNC/MODE
PGOOD
RT
INTV_CC
PV_IN
PV_IN
BOOST
ITH
LTC3603
V_FB
RUN
TRACK/SS
PGND
SW
SW
SW
PGND
PGND
C_VCC
1µF
D1
C_BST
0.22µF
L1
2.2µH
L1: VISHAY IHLP2525CZER2R2MO1
C_IN: TAIYO YUDEN TMK325BJ226MM-T
C_OUT: TDK C3225X5ROJ107M
V_IN
12V
C_IN
22µF
V_OUT
3.3V
2.5A
C_OUT
100µF
3603 TA06
Related Parts
PART NUMBER DESCRIPTION
COMMENTS
LTC3601
LTC3605
LTC3609
LTC3612
LTC3412A
LTC3413
LTC3414
LTC3415
LTC3416
LTC3418
LTC3602
LTC3608
LTC3610
LTC3611
15V, 1.5A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
15V, 5A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
32V, 6A (I_OUT), 1MHz, Synchronous Step-Down DC/DC Converter
6V, 3A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
3A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
3A (I_OUT Sink/Source), 2MHz, Monolithic Synchronous Regulator for DDR/
QDR Memory Termination
4A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
7A (I_OUT), 1.5MHz, Synchronous Step-Down DC/DC Converter
4A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter with Tracking
8A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
10V, 2.5A (I_OUT), 3MHz, Synchronous Step-Down DC/DC Converter
18V, 8A (I_OUT), 1MHz, Synchronous Step-Down DC/DC Converter
24V, 12A (I_OUT), 1MHz, Synchronous Step-Down DC/DC Converter
32V, 10A (I_OUT), 1MHz, Synchronous Step-Down DC/DC Converter
95% Efficiency, V_IN: 4.5V to 15V, V_OUT(MIN) = 0.6V,
I_Q = 300µA, I_SD < 14µA, 3mm × 3mm QFN16, MSOP16E
95% Efficiency, V_IN: 4V to 15V, V_OUT(MIN) = 0.6V,
I_Q = 2mA, I_SD < 15µA, 4mm × 4mm QFN24
95% Efficiency, V_IN: 4V to 32V, V_OUT(MIN) = 0.6V,
I_Q = 900µA, I_SD < 15µA, 7mm × 8mm QFN52
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.6V,
I_Q = 70µA, I_SD < 1µA, 3mm × 4mm QFN20, TSSOP20E
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V,
I_Q = 60µA, I_SD < 1µA, TSSOP16E, 4mm × 4mm QFN16
90% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = V_REF/2,
I_Q = 280µA, I_SD < 1µA, TSSOP16E
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V,
I_Q = 64µA, I_SD < 1µA, TSSOP20E
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V,
I_Q = 450µA, I_SD < 1µA, 5mm × 7mm QFN38
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V,
I_Q = 64µA, I_SD < 1µA, TSSOP20E
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V,
I_Q = 380µA, I_SD < 1µA, 5mm × 7mm QFN38
95% Efficiency, V_IN: 4.5V to 10V, V_OUT(MIN) = 0.6V,
I_Q = 75µA, I_SD < 1µA, TSSOP16E, 4mm × 4mm QFN20
95% Efficiency, V_IN: 4V to 18V, V_OUT(MIN) = 0.6V,
I_Q = 900µA, I_SD < 15µA, 5mm × 7mm QFN52
95% Efficiency, V_IN: 4V to 24V, V_OUT(MIN) = 0.6V,
I_Q = 900µA, I_SD < 15µA, 9mm × 9mm QFN64
95% Efficiency, V_IN: 4V to 32V, V_OUT(MIN) = 0.6V,
I_Q = 900µA, I_SD < 15µA, 9mm × 9mm QFN64
3603fc
22 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3603}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3603
LT 0413 REV C • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2009