ltc4054x-4.2 Linear Technology Corporation, ltc4054x-4.2 Datasheet - Page 16

• Manufacturer Part Number: ltc4054x-4.2
• Description: Standalone Linear Li-ion Battery Charger With Thermal Regulation In Thinsot
• Manufacturer: Linear Technology Corporation

LTC4054-4.2/LTC4054X-4.2
TYPICAL APPLICATIO S
RELATED PARTS
16
PART NUMBER
LTC1732
LTC1733
LTC1734
LTC1734L
LTC1998
LTC4050
LTC4052
LTC4053
LTC4054L
LTC4056
LTC4057
LTC4410
ADAPTER
5V WALL
POWER
USB
800mA Li-Ion Charger with External Power Dissipation
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
USB/Wall Adapter Power Li-Ion Charger
V
IN
1k
= 5V
1 F
DESCRIPTION
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
10mA to 150mA Standalone Monolithic Lithium-Ion Low Current Version of LTC4054
Linear Battery Charger in ThinSOT
Standalone Lithium-Ion Linear Battery Charger
in ThinSOT
Monolithic Lithium-Ion Linear Battery Charger
with Thermal Regulation in ThinSOT
USB Power Manager
1 F
0.25
4
4
V
CC
LTC4054-4.2
LTC4054-4.2
V
CC
GND
GND
2
PROG
2
PROG
BAT
BAT
1.25k
10k
U
3
5
3
5
800mA
2.5k
www.linear.com
+
I
+
BAT
405442 TA03
Li-Ion
CELL
100mA/
500mA
C
405442 TA05
COMMENTS
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 Current Version of LTC1734
1% Accurate 2.5 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
Standalone Charger with Programmable Timer, Up to 1.25A Charge Current
Standalone Charger with Programmable Timer, No Blocking Diode,
No Sense Resistor Needed
No External MOSFET, Sense Resistor or Blocking Diode Required,
Charge Current Monitor for Gas Gauging
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
No Blocking Diode or External Power FET Required
Basic Li-Ion Charger with Reverse Polarity Input Protection
ADAPTER
5V WALL
Full Featured Single Cell Li-Ion Charger
330
1
1 F
CHRG
LTC4054-4.2
V
IN
GND
V
= 5V
CC
4
2
4
PROG
V
BAT
LINEAR TECHNOLOGY CORPORATION 2003
CC
LTC4054-4.2
GND
3
5
500mA
2
2k
PROG
LT/TP 0903 1K • PRINTED IN USA
BAT
1 F
SHDN
2k
3
5
405442 TA02
500mA
405442 TA04
+
+
405442xf