LTC3604 Datasheet, PDF (24/24 Pages) Linear Technology – 2.5A, 15V Monolithic Synchronous Step-Down Regulator

LTC3604
TYPICAL APPLICATION
1.2V Output at 2MHz Operating Frequency
C2
2.2μF
V_IN
V_IN
C1
RUN
INTV_CC
ITH
22μF
RT
PGOOD MODE/SYNC
TRACK/SS BOOST
LTC3604
SW
V_ON
SGND
FB
PGND
L1
0.1μF _0.68μH
R1
C_F
20k
22pF
R2
20k
C_IN: TDK C3225X5R1C226M
C_OUT: TDK C3225X5R0J476M
L1: VISHAY IHLP2020BZERR68M01
3604 TA04a
V_OUT
1.2V
C_OUT 2.5A
47μF
Efficiency vs Load Current
100
90
80
70
60
50
40
30
20
10
0
0.01
V_IN = 8V
V_IN = 15V
0.1
1
LOAD CURRENT (A)
10
3604 TA04b
RELATED PARTS
PART NUMBER DESCRIPTION
LTC3603
15V, 2.5A (I_OUT), 3MHz, Synchronous Step-Down DC/DC Converter
LTC3602
10V, 2.5A (I_OUT), 3MHz, Synchronous Step-Down DC/DC Converter
LTC3601
15V, 1.5A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
LTC3605
15V, 5A (I_OUT), 4MHz, Synchronous Step-Down DC/DC Converter
LTC3610
24V, 12A (I_OUT), 1MHz, Synchronous Step-Down DC/DC Converter
LTC3611
32V, 10A (I_OUT), 1MHz, Synchronous Step-Down DC/DC Converter
COMMENTS
95% Efficiency, V_IN: 4.5V to 15V, V_OUT(MIN) = 0.6V, I_Q = 75μA,
I_SD < 1μA, 4mm × 4mm QFN20
95% Efficiency, V_IN: 4.5V to 10V, V_OUT(MIN) = 0.6V, I_Q = 75μA,
I_SD < 1μA, 4mm × 4mm QFN20, TSSOP16E
96% Efficiency, V_IN: 4V to 15V, V_OUT(MIN) = 0.6V, I_Q = 300μA,
I_SD < 15μA, 3mm × 3mm QFN16, MSE16
95% Efficiency, V_IN: 4.5V to 15V, V_OUT(MIN) = 0.6V, I_Q = 2mA,
I_SD < 15μA, 4mm × 4mm QFN24
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
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3604f
LT 0110 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2010