参数资料
型号: LT3991EMSE-3.3#PBF
厂商: Linear Technology
文件页数: 24/24页
文件大小: 0K
描述: IC REG BUCK 3.3V 1.2A 10-MSOP
标准包装: 50
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 4.3 V ~ 55 V
PWM 型: 电流模式,混合
频率 - 开关: 200kHz ~ 2MHz
电流 - 输出: 1.2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 10-MSOP 裸露焊盘
LT3991/LT3991-3.3/LT3991-5
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DESCRIPTION
40V, 350mA, 2.2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I Q = 2.5μA
62V, 350mA, 2.2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I Q = 2.5μA
38V, 1.2A, 2.2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I Q = 2.8μA
36V, 60V Max, 1A, 2.2MHz High Efficiency Micropower Step-Down
DC/DC Converter
36V, 60V Transient Protection, 800mA, 2.2MHz High Efficiency
Micropower Step-Down DC/DC Converter with POR Reset and
Watchdog Timer
36V with Transient Protection to 60V, 2A (I OUT ), 2.4MHz, High
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
58V with Transient Protection to 80V, 2A (I OUT ), 2.4MHz, High
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
COMMENTS
V IN = 4.2V to 40V, V OUT(MIN) = 1.21V, I Q = 2.5μA, I SD <1 μA,
3mm × 2mm DFN-10, MSOP-10 Packages
V IN = 4.2V to 62V, V OUT(MIN) = 1.21V, I Q = 2.5μA, I SD <1 μA,
3mm × 2mm DFN-10, MSOP-10 Packages
V IN = 4.3V to 38V, V OUT(MIN) = 1.21V, I Q = 2.8μA, I SD <1 μA,
3mm × 3mm DFN-10, MSOP-10E Packages
V IN = 3.6V to 36V, V OUT(MIN) = 0.8V, I Q = 75μA, I SD <1 μA,
3mm × 3mm DFN-12 Package
V IN = 3.6V to 36V (Transient to 60V), V OUT(MIN) = 0.8V, I Q = 75μA,
I SD <1 μA, 3mm × 3mm QFN-16 Package
V IN = 3.6V to 36V (Transient to 60V), V OUT(MIN) = 0.78V, I Q = 70μA,
I SD <1 μA, 3mm × 3mm DFN-10, MSOP-10E Packages
V IN = 3.6V to 58V (Transient to 60V), V OUT(MIN) = 0.78V, I Q = 85μA,
I SD <1 μA, 3mm × 4mm DFN-16, MSOP-16E Packages
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX:(408)434-0507    www.linear.com ●
24 Linear Technology Corporation
3991fa
LT 0211 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2009
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