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FEATURES Stand-Alone Li-Ion Battery Chargers High End-of-Charge Voltage Accuracy
؎0.
4% @ +25؇C ؎0.
75% @ –10؇C to +70؇C Intelligent End-of-Charge Output Signal Pin Programmable Cell Number Select On Chip 3.
3 V LDO
Regulator Programmable Charge Current with High Side Sense Softstart Charge Current Undervoltage Lockout Drives External PMOS ؎10% Adjustable End-of-Charge Voltage Charges NiCad, NiMH (with External Controller) PWM Oscillator Frequency: ADP3801: 200 kHz ADP3802: 500 kHz
APPLICATIONS Fast Chargers Universal Chargers Cellular Phones Portable Computers Portable Instrumentation Desktop Chargers Personal Digital Assistants
GENERAL DESCRIPTION The ADP3801 and ADP3802 are complete batte...