参数资料
型号: LT3640EUFD#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 3.4 A DUAL SWITCHING CONTROLLER, 2350 kHz SWITCHING FREQ-MAX, PQCC28
封装: 5 X 4 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件页数: 17/24页
文件大小: 506K
代理商: LT3640EUFD#PBF
LT3640
3640f
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0510 PRINTED IN USA
relaTeD parTs
Typical applicaTion
2MHz 3.3V/0.8A and 0.8V/1.2A Buck Regulators
3640 TA05
SYNC
WDE
PGOOD
1nF
1.5nF
32.4k
VOUT2
0.8V/1.2A
VOUT1
3.3V/0.8A
22F
RST1
RST2
WDO
WDI
FB2
CWDT
CPOR
RT
GND
SS2
SS1
SW2
SW1
EN/UVLO
VIN
SW
LT3640
BST
VIN2
FB1
0.47H
49.9k
16.5k
80.6k
49.9k
3.3H
0.22F
DA
22F
4.7F
VIN
4V TO 35V
EN2
PART NUMBER DESCRIPTION
COMMENTS
LT3689
36V, 60V Transient Protection, 800mA, 2.2MHz High Efficiency
MicroPower Step-Down DC/DC Converter with POR Reset and
Watchdog Timer
VIN: 3.6V to 36V, Transient to 60V, VOUT(MIN) = 0.8V, IQ = 75A,
ISD < 1A, 3mm × 3mm QFN-16 Package
LT3686
37V, 55VMAX, 1.2A, 2.5MHz High Efficiency Step-Down DC/DC
Converter
VIN: 3.6V to 37V, Transient to 55V, VOUT(MIN) = 1.21V, IQ = 1.1mA,
ISD < 1A, 3mm × 3mm DFN-10 Package
LT3682
36V, 60VMAX, 1A, 2.2MHz High Efficiency Micropower
Step-Down DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 0.8V, IQ = 75A, ISD < 1A, 3mm × 3mm
DFN-12 Package
LT3971
38V, 1.2A (IOUT), 2MHz, High Efficiency Step-Down DC/DC
Converter with Only 2.8A of Quiescent Current
VIN: 4.2V to 38V, VOUT(MIN) = 1.2V, IQ = 2.8A, ISD < 1A, 3mm × 3mm
DFN-10, MSOP-10E Packages
LT3991
55V, 1.2A (IOUT), 2MHz, High Efficiency Step-Down DC/DC
Converter with Only 2.8A of Quiescent Current
VIN: 4.2V to 55V, VOUT(MIN) = 1.2V, IQ = 2.8A, ISD < 1A, 3mm × 3mm
DFN-10, MSOP-10E Packages
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相关代理商/技术参数
参数描述
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