TPS60250 TPS60252
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SLVS769C – APRIL 2007 – REVISED APRIL 2008
HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
FEATURES
1
• 3.
0 V to 6.
0 V Input
Voltage Range • ×1 and ×1.
5 Charge Pump • Fully Programmable Current with I2C
– 64 Dimming Steps with 25mA Maximum (Sub and Main Display Banks)
– 4 Dimming Steps with 80mA Maximum (DM5 for Auxiliary Application)
• 2% Current Matching for Sub LEDs at Light Load Condition (Each 100µA)
• 750 kHz Charge Pump Frequency • Continuous 230mA Maximum Output Current • Auto Switching Bet...