参数资料
型号: LTC3418EUHF#TRPBF
厂商: Linear Technology
文件页数: 20/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 8A 38QFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 5 V
输入电压: 2.25 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1MHz
电流 - 输出: 8A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 38-QFN(5x7)
LTC3418
TYPICAL APPLICATION
Low Noise 1.5V, 8A Step-Down Regulator
L1
V IN
2.5V
R SVIN
100Ω
C IN
100μF
× 4
C SVIN
1μF
X7R C SS
1000pF
X7R
R SS
2.2M
R PG
100k
3
4
9
10
22
23
28
29
24
35
5
7
PV IN
PV IN
PV IN
PV IN
PV IN
PV IN
PV IN
PV IN
SV IN
LTC3418
TRACK
PGOOD
RUN/SS
SW
SW
SW
SW
SW
SW
SW
SW
V FB
V REF
PGND
PGND
1
2
11
12
20
21
30
31
25
16
38
37
0.2μH
C1
1000pF
X7R
R1
1.78k
C OUT
100μF
× 3
C REF
2.2μF
X7R
V OUT
1.5V
8A
V REF
C ITH
2200pF
X7R
R ITH
3.32k
C1
47pF
X7R
26
R OSC 69.8k 6
27
8
13
I TH
R T
SYNC/MODE
SGND
PGND
PGND
PGND
PGND
PGND
PGND
36
34
33
32
19
R2
2k
14
15
C IN , C OUT : TDK C3225X5R0J107M
L1: VISHAY DALE IHLP-2525CZ-01
PGND
PGND
PGND
PGND
18
17
3418 TA05
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DESCRIPTION
500mA (I OUT ), 1.4MHz, High Ef ?ciency Step-Down
DC/DC Converter
450mA (I OUT ), 100kHz, High Ef ?ciency Step-Down
DC/DC Converter
25V, 2.75A (I OUT ), 1.25MHz, High Ef ?ciency 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
COMMENTS
90% Ef ?ciency, V IN : 3.6V to 25V, V OUT = 1.25V,
I Q = 1.9mA, I SD < 1μA, ThinSOT Package
90% Ef ?ciency, V IN : 7.4V to 60V, V OUT = 1.24V,
I Q = 3.2mA, I SD < 2.5μA, S8 Package
90% Ef ?ciency, V IN : 3V to 25V, V OUT = 1.2V,
I Q = 1mA, I SD < 15μA, S8, TSSOP16E Packages
95% Ef ?ciency, V IN : 2.7V to 10V, V OUT = 0.8V,
I Q = 15μA, I SD < 1μA, TSSOP16 Package
95% Ef ?ciency, V IN : 2.75V to 6V, V OUT = 0.8V,
I Q = 20μA, I SD < 1μA, ThinSOT Package
95% Ef ?ciency, V IN : 2.5V to 5.5V, V OUT = 0.6V,
I Q = 20μA, I SD < 1μA, ThinSOT Package
95% Ef ?ciency, V IN : 2.5V to 5.5V, V OUT = 0.6V,
I Q = 40μA, I SD < 1μA, MS Package
95% Ef ?ciency, V IN : 2.5V to 5.5V, V OUT = 0.8V,
I Q = 60μA, I SD < 1μA, MS Package
95% Ef ?ciency, V IN : 2.5V to 5.5V, V OUT = 0.8V
I Q = 60μA, I SD < 1μA, TSSOP16E Package
90% Ef ?ciency, V IN : 2.25V to 5.5V, V OUT = V REF /2,
I Q = 280μA, I SD < 1μA, TSSOP16E Package
95% Ef ?ciency, V IN : 2.25V to 5.5V, V OUT(MIN) = 0.8V,
I Q = 64μA, I SD < 1μA, TSSOP20E Package
95% Ef ?ciency, V IN : 2.25V to 5.5V, V OUT(MIN) = 0.8V,
I Q = 300μA, I SD < 1μA, TSSOP20E Package
3418fb
20 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0908 REV B ? PRINTED IN THE USA
? LINEAR TECHNOLOGY CORPORATION 2005
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