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LTC3203 - 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps

Key Features

  • Selectable Dual Mode Operation: 1:1.5 or 1:2.
  • High Output Current: Up to 500mA.
  • Low Noise Constant Frequency (1MHz/0.9MHz) Operation.
  • VIN Range: 2.7V to 5.5V.
  • Adjustable Output Voltage (LTC3203/LTC3203B).
  • User Selectable Fixed Output Voltages: 4.5V or 5V (LTC3203-1 and LTC3203B-1).
  • Burst Mode® Operation with IQ ~ 120µA (LTC3203/LTC3203-1).
  • Constant Freqency Operation at All Loads (LTC3203B/LTC3203B-1).
  • Soft-Start Limits Inrush Current at Turn-On.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3203-1 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps
LTC3203B 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps
LTC3203B-1 500mA Output Current Low Noise Dual Mode Step-Up Charge Pumps
LTC3204-3.3 Low Noise Regulated Charge Pump
LTC3204-5 Low Noise Regulated Charge Pump

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U U FEATURES ■ Selectable Dual Mode Operation: 1:1.5 or 1:2 ■ High Output Current: Up to 500mA ■ Low Noise Constant Frequency (1MHz/0.9MHz) Operation* ■ VIN Range: 2.7V to 5.5V ■ Adjustable Output Voltage (LTC3203/LTC3203B) ■ User Selectable Fixed Output Voltages: 4.5V or 5V (LTC3203-1 and LTC3203B-1) ■ Burst Mode® Operation with IQ ~ 120µA (LTC3203/LTC3203-1) ■ Constant Freqency Operation at All Loads (LTC3203B/LTC3203B-1) ■ Soft-Start Limits Inrush Current at Turn-On ■ Short-Circuit/Thermal Protection ■ Shutdown Disconnects Load from Input ■ Shutdown Current: < 1µA ■ Available in a 10-pin (3mm × 3mm) DFN Package U APPLICATIO S ■ High Current LED Backlight Supply for Cellphones/PDAs ■ Cellphone Camera Light Supply ■ General Purpose 3.