参数资料
型号: LTC4057ES5-4.2#TR
厂商: Linear Technology
文件页数: 12/12页
文件大小: 0K
描述: IC CHARGR BATTERY L-ION TSOT23-5
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.25 V ~ 6.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 带卷 (TR)
LTC4057-4.2
TYPICAL APPLICATIO S
800mA Li-Ion Charger with
External Power Dissipation
V IN = 5V
Basic Li-Ion Battery Charger with
Reverse Polarity Input Protection
1 μ F
ON OFF
0.25 ?
4 3
V CC BAT
LTC4057-4.2
2 5
SHDN PROG
GND
2
1.25k
800mA
+
5V WALL
ADAPTER
1 μ F
ON OFF
4
2
V CC BAT
LTC4057-4.2
SHDN PROG
GND
2
3
5
2k
500mA
+
RELATED PARTS
4057 TA02
4057 TA03
PART NUMBER
LT1571
DESCRIPTION
200kHz/500kHz Switching Battery Charger
COMMENTS
Up to 1.5A Charge Current; Preset and Adjustable Battery Voltages
LTC1729
Lithium-Ion Battery Charger Termination Controllers Time or Charge Current Termination, Preconditioning 8-Lead MSOP
(408) 432-1900 FAX: (408) 434-0507 q www.linear.com
LTC1730
LTC1731
LTC1732
LTC1733
LTC1734
LTC1734L
LTC1998
LTC4050
LTC4052
LTC4053
LTC4054
LTC4410
12
Lithium-Ion Battery Pulse Charger
Lithium-Ion Linear Battery Charger Controller
Lithium-Ion Linear Battery Charger Controller
Monolithic Lithium-Ion Linear Battery Charger
Lithium-Ion Linear Battery Charger in ThinSOT
Lithium-Ion Linear Battery Charger in ThinSOT
Lithium-Ion Low Battery Detector
Lithium-Ion Linear Battery Charger Controller
Monolithic Lithium-Ion Battery Pulse Charger
USB Compatible Monolithic Li-Ion Battery Charger
Standalone Linear Li-Ion Battery Charger
with Integrated Pass Transistor in ThinSOT
USB Power Manager
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
No Blocking Diode Required, Current Limit for Maximum Safety
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication
Standalone Charger with Programmable Timer, Up to 1.5A Charge Current
Simple ThinSOT Charger, No Blocking Diode, No Sense Resistor Needed
Low Charge Current Version of LTC1734
1% Accurate 2.5 μ A Quiescent Current, SOT-23
Simple Charger uses External FET, Features Preset Voltages, C/10
Charger Detection and Programmable Timer, Input Power Good Indication,
Thermistor Interface
No Blocking Diode or External Power FET Required
Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
Thermal Regulation Prevents Overheating, C/10 Termination,
C/10 Indicator
For Simultaneous Operation of USB Peripheral and Battery Charging from USB
Port, Keeps Current Drawn from USB Port Constant, Keeps Battery Fresh, Use
with the LTC4053, LTC1733, or LTC4054
4057f
LT/TP 0503 1K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2003
相关PDF资料
PDF描述
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