参数资料
型号: LT3640EFE#PBF
厂商: Linear Technology
文件页数: 24/24页
文件大小: 0K
描述: IC REG BUCK FIX/ADJ DL 28TSSOP
标准包装: 50
类型: 降压(降压)
输出类型: 两者兼有
输出数: 2
输出电压: 1.8V,3.3V,可调
输入电压: 2.5 V ~ 35 V
PWM 型: 电流模式,混合
频率 - 开关: 500kHz ~ 2MHz
电流 - 输出: 1.1A,1.3A
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: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 28-TSSOP 裸露焊盘
LT3640
TYPICAL APPLICATION
2MHz 3.3V/0.8A and 0.8V/1.2A Buck Regulators
0.22μF
V IN
4V TO 35V
4.7μF
EN/UVLO
SYNC
V IN
SW
BST
SW1
DA
FB1
3.3μH
80.6k
V OUT1
3.3V/0.8A
22μF
WDE
EN2
49.9k
PGOOD
LT3640
V IN2
RST1
RST2
WDO
WDI
SW2
FB2
0.47μH
16.5k
V OUT2
0.8V/1.2A
22μF
CWDT
CPOR
RT
GND
SS2
SS1
49.9k
1.5nF
1.5nF
32.4k
1nF
1nF
3640 TA05
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V IN : 3.6V to 36V, Transient to 60V, V OUT(MIN) = 0.8V, I Q = 75μA,
I SD < 1μA, 3mm × 3mm QFN-16 Package
V IN : 3.6V to 37V, Transient to 55V, V OUT(MIN) = 1.21V, I Q = 1.1mA,
I SD < 1μA, 3mm × 3mm DFN-10 Package
V IN : 3.6V to 36V, V OUT(MIN) = 0.8V, I Q = 75μA, I SD < 1μA, 3mm × 3mm
DFN-12 Package
V IN : 4.2V to 38V, V OUT(MIN) = 1.2V, I Q = 2.8μA, I SD < 1μA, 3mm × 3mm
DFN-10, MSOP-10E Packages
V IN : 4.2V to 55V, V OUT(MIN) = 1.2V, I Q = 2.8μA, I SD < 1μA, 3mm × 3mm
DFN-10, MSOP-10E Packages
3640f
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX:(408)434-0507    www.linear.com ●
   Linear Technology Corporation
LT 0510 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2010
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