LTC3418 Datasheet, PDF (20/20 Pages) Linear Technology – 8A, 4MHz, Monolithic Synchronous Step-Down Regulator

LTC3418
TYPICAL APPLICATIO
Low Noise 1.5V, 8A Step-Down Regulator
V_IN
2.5V
R_SVIN
100Ω
C_IN
100µF
×4
R_SS R_PG
2.2M 100k
C_SVIN
1µF
X7R CSS
1000pF
X7R
3
PV_IN
4
PV_IN
9
PV_IN
10
PV_IN
22
PV_IN
23
PV_IN
28
PV_IN
29
PV_IN
24
SV_IN
1
SW
2
SW
11
SW
12
SW
20
SW
21
SW
30
SW
31
SW
25
V_FB
LTC3418
35
TRACK
5
PGOOD
16
V_REF
38
PGND
7
RUN/SS
37
PGND
C_ITH
R_ITH
3.32k
2200pF
X7R
C1
47pF
X7R
26
R_OSC 69.8k ₆
27
8
13
I_TH
R_T
SYNC/MODE
SGND
PGND
36
PGND
34
PGND
33
PGND
32
PGND
19
PGND
14
PGND
18
PGND
15
PGND
17
PGND
L1
0.2µH
C1
1000pF
X7R
R1
1.78k
R2
2k
C_OUT
100µF
×3
V_OUT
1.5V
8A
C_REF
2.2µF
X7R
V_REF
C_IN, C_OUT: TDK C3225X5R0J107M
L1: VISHAY DALE IHLP-2525CZ-01
3418 TA05
RELATED PARTS
PART NUMBER
LT1616
LT1676
LT1765
LTC1879
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LTC3406/LTC3406B
LTC3407
LTC3411
LTC3412
LTC3413
LTC3414
LTC3416
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
4A (I_OUT), 4MHz, Synchronous Step-Down
DC/DC Converter
4A (I_OUT), 4MHz, Synchronous Step-Down
DC/DC Converter with Tracking
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● 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
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V,
I_Q = 64µA, I_SD < 1µA, TSSOP20E Package
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V,
I_Q = 300µA, I_SD < 1µA, TSSOP20E Package
3418f
LT/TP 0205 1K • PRINTED IN THE USA
© LINEAR TECHNOLOGY CORPORATION 2005