参数资料
型号: LTC3542ES6#TRPBF
厂商: Linear Technology
文件页数: 16/16页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ TSOT23-6
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: 0.6 V ~ 5.5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 2.25MHz
电流 - 输出: 500mA
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: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
供应商设备封装: TSOT-23-6
LTC3542
TYPICAL APPLICATION
Using Low Pro?le Components, <1mm Height
V IN
2.7V TO 5.5V
C IN **
10 F
CER
2
6
5
V IN SW
LTC3542
RUN V FB
MODE/SYNC
4
1
2.2 H*
22pF
150k
75k
V OUT
1.5V
500mA
C OUT **
10 F
GND
3
CER
3542 TA02a
*TDK VLF3010AT-2R2MIR0
**TDK C2012X5R0J106M
Ef?ciency vs Output Current
100
90
80
70
60
50
40
30
20
10
0
V IN = 3.6V
V OUT = 1.5V
Burst Mode OPERATION
0.1
1
10 100
1000
OUTPUT CURRENT (mA)
3542 TA02b
RELATED PARTS
PART NUMBER
LTC3405/LTC3405B
LTC3406/LTC3406B
DESCRIPTION
300mA I OUT , 1.5MHz, Synchronous Step-Down DC/DC
Converter
600mA I OUT , 1.5MHz, Synchronous Step-Down DC/DC
Converter
COMMENTS
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.8V, I Q = 20μA,
I SD < 1μA, ThinSOT Package
96% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.6V, I Q = 20μA,
I SD < 1μA, ThinSOT Package
LTC3407/LTC3407-2
Dual 600mA/800mA I OUT , 1.5MHz/2.25MHz, Synchronous 95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.6V, I Q = 40μA,
Step-Down DC/DC Converter
I SD < 1μA, MS10E, DFN Packages
LTC3409
LTC3410/LTC3410B
LTC3411
LTC3548
600mA I OUT , 1.7MHz/2.6MHZ, Synchronous Step-Down
DC/DC Converter
300mA I OUT , 2.25MHz, Synchronous Step-Down DC/DC
Converter
1.25A I OUT , 4MHz, Synchronous Step-Down DC/DC
Converter
Dual 400mA/800mA I OUT , 2.25MHz, Synchronous
Step-Down DC/DC Converter
96% Ef?ciency, V IN : 1.6V to 5.5V, V OUT(MIN) = 0.6V, I Q = 65μA,
I SD < 1μA, DFN Package
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.8V, I Q = 26μA,
I SD < 1μA, SC70 Package
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.8V, I Q = 60μA,
I SD < 1μA, MS10, DFN Packages
95% Ef?ciency, V IN : 2.5V to 5.5V, V OUT(MIN) = 0.6V, I Q = 40μA,
I SD < 1μA, MS10, DFN Packages
LTC3561
1A I OUT , 4MHz Synchronous Step-Down DC/DC Converter 95% Ef?ciency, V IN : 2.6V to 5.5V, V OUT(MIN) = 0.8V, I Q = 240μA,
I SD < 1μA, 3mm × 3mm DFN Package
3542fa
(408) 432-1900 ● FAX: (408) 434-0507
www.linear.com
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LT 0907 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2006
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