LTC3414 Datasheet, PDF (16/16 Pages) Linear Technology – 4A, 4MHz, Monolithic Synchronous Step-Down Regulator

LTC3414
TYPICAL APPLICATIO
1.5V, 4A Step-Down Regulator at 1MHz, Burst Mode
R_OSC
294k
1
PGND
2
RT
20
PGND
19
V_FB
R_SS
2.2M
C_SS
1000pF, X7R
+
C_IN2**
470µF
3
18
SYNC/MODE _ITH
4
RUN/SS
17
PGOOD
5
SGND
16
SV_IN
6
LTC3414
15
NC
NC
7
PV_IN
8
SW
14
PV_IN
13
SW
9
SW
12
SW
10
PGND
11
PGND
* ^{PULSE P1166.68IT}
** ^{SANYO POSCAP 4TPD470M}
C_C
100pF
X7R
C_ITH
470pF
X7R
R_ITH
15k
R2
200k
R1
178k
RPG
100k
L1*
0.44µH
C_IN1
22µF
X5R
2x
C_OUT2
+
22µF
X5R
C1
39pF
X7R
PGOOD
V_IN
2.5V
V_OUT
1.5V
4A
C_OUT1**
470µF
3413 TA01
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PART NUMBER
LT1616
LT1676
LT1765
LTC1879
LTC3405/LTC3405A
LTC3406/LTC3406B
LTC3407
LTC3411
LTC3412
LTC3413
LTC3430
LTC3440/LTC3441
DESCRIPTION
500mA (I_OUT), 1.4MHz, High Efficiency Step-Down
DC/DC Converter
450mA (I_OUT), 100kHz, High Efficiency Step-Down
DC/DC Converter
25V, 2.75A (I_OUT), 1.25MHz, High Efficiency Step-Down
DC/DC Converter
1.20A (I_OUT), 550kHz, Synchronous Step-Down
DC/DC Converter
300mA (I_OUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter
600mA (I_OUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter
Dual 600mA (I_OUT), 1.5MHz, Synchronous Step-Down
DC/DC Converter
1.25A (I_OUT), 4MHz, Synchronous Step-Down
DC/DC Converter
2.5A (I_OUT), 4MHz, Synchronous Step-Down
DC/DC Converter
3A (I_OUT Sink/source), 2MHz, Monolithic Synchronous
Regulator for DDR/QDR Memory Termination
60V, 2.75A (I_OUT), 200kHz, High Efficiency Step-Down
DC/DC Converter
600mA/1A (I_OUT), 2MHz/1MHz, Synchronous Buck-Boost
DC/DC Converter
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
COMMENTS
90% Efficiency, V_IN: 3.6V to 25V, V_OUT: 1.25V,
I_Q: 1.9mA, I_SD: <1µA, ThinSOT Package
90% Efficiency, V_IN: 7.4V to 60V, V_OUT: 1.24V,
I_Q: 3.2mA, I_SD: 2.5µA, S8 Package
90% Efficiency, V_IN: 3V to 25V, V_OUT: 1.2V,
I_Q: 1mA, I_SD: 15µA, S8, TSSOP16E Packages
95% Efficiency, V_IN: 2.7V to 10V, V_OUT: 0.8V,
I_Q: 15µA, I_SD: <1µA, TSSOP16 Package
95% Efficiency, V_IN: 2.75V to 6V, V_OUT: 0.8V,
I_Q: 20µA, I_SD: <1µA, ThinSOT Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT: 0.6V,
I_Q: 20µA, I_SD: <1µA, ThinSOT Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT: 0.6V,
I_Q: 40µA, I_SD: <1µA, MS Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT: 0.8V,
I_Q: 60µA, I_SD: <1µA, MS Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT: 0.8V
I_Q: 60µA, I_SD: <1µA, TSSOP16E Package
90% Efficiency, V_IN: 2.25V to 5.5V, V_OUT: V_REF/2,
I_Q: 280µA, I_SD: <1µA, TSSOP16E Package
90% Efficiency, V_IN: 5.5V to 60V, V_OUT: 1.2V,
I_Q: 2.5mA, I_SD: 25µA, TSSOP16E Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT: 2.5V,
I_Q: 25µA/50µA, I_SD: <1µA, MS Package
3414f
LT/TP 1003 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2003