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LTC4012CUF#PBF - 

Battery Charger for 4 Cells of Li-Ion, Li-Pol battery, 28V input, 28V charge, QFN-20

LTC4012CUF#PBF - Battery Charger for 4 Cells of Li-Ion, Li-Pol battery, 28V input, 28V charge, QFN-20
LTC4012CUF#PBF - Battery Charger for 4 Cells of Li-Ion, Li-Pol battery, 28V input, 28V charge, QFN-20

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Manufacturer Part No:
LTC4012CUF#PBF
Order Code:
2295375
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC4012CUF#PBF is a constant-current/constant-voltage Battery Charger Controller uses a synchronous quasi-constant frequency PWM control architecture that will not generate audible noise with ceramic bulk capacitors. Charge current is set by external resistors and can be monitored as an output voltage. With no built-in termination, the LTC4012 family charges a wide range of batteries under external control. It features fully adjustable output voltage. The device includes AC adapter input current limiting, which maximizes charge rate for a fixed input power level. An external sense resistor programs the input current limit and the ICL status pin indicates reduced charge current as a result of AC adapter current limiting. Ideal diode control at the adaptor input improves charger efficiency. The CHRG status pin is active during all charging modes, including special indication for low charge current.
  • General purpose battery charger controller
  • Efficient 550kHz Synchronous buck PWM topology
  • ±0.5% Output float voltage accuracy
  • 4% Accurate programmable charge current
  • 3% Accurate programmable AC adapter current limit
  • No audible noise with ceramic capacitors
  • INFET low loss ideal diode PowerPath™ control
  • Analog charge current monitor
  • Micropower shutdown

Applications

Consumer Electronics, Computers & Computer Peripherals, Power Management, Portable Devices

Product Information

:
Li-Ion, Li-Pol
:
28V
:
28V
:
-
:
QFN
:
20Pins
:
4
:
0°C
:
85°C
:
Each
:
-
:
Yes
:
MSL 1 - Unlimited
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