LTC3204-3.3/LTC3204-5/ LTC3204B-3.3/LTC3204B-5
Low Noise Regulated Charge Pump in 2 × 2 DFN
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FEATURES
■ Fixed 3.3V or 5V Outputs ■ VIN Range:
1.8V to 4.5V (LTC3204-3.3/LTC3204B-3.3) 2.7V to 5.5V (LTC3204-5/LTC3204B-5) ■ Output Current: Up to 150mA (LTC3204-5/LTC3204B-5) Up to 50mA (LTC3204-3.3/LTC3204B-3.3) ■ Automatic Burst Mode® Operation with IQ = 48µA (LTC3204-3.3/LTC3204-5) ■ Constant Frequency Operation at All Loads (LTC3204B-3.3/LTC3204B-5) ■ Low Noise Constant Frequency (1.2MHz) Operation* ■ Built-In Soft-Start Reduces Inrush Current ■ Shutdown Disconnects Load from Input ■ Shutdown Current <1µA ■ Short-Circuit/Thermal Protection ■ Available in Low Profile 6-Lead DFN Package
U APPLICATIO S
■ 2 AA Cell to 3.