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Charge Pumps | CAT3200HU2

Charge Pump, DC-DC Converter, Low Noise, Adjustable, 100 mA, 5.0 V

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Overview

The CAT3200HU2 is a switched capacitor boost converter that delivers a low noise, regulated output voltage. The CAT3200HU2 gives a fixed regulated 5 V output when the FB pin is tied to ground, otherwise it provides an adjustable output using external resistors. The constant frequency 2 MHz charge pump allows small 1 µF ceramic capacitors to be used.

Maximum output loads of up to 100 mA can be supported over a wide range of input supply voltages making the device ideal for battery-powered applications.

A shutdown control input allows the device to be placed in power-down mode, reducing the supply current to less than 1 µA.

In the event of short circuit or overload conditions, the device is fully protected by both foldback current limiting and thermal overload detection. In addition, a soft start, slew rate control circuit limits inrush current during power-up.

  • 3 V to 5 V Boost Conversion
  • White LED Driver
  • Handheld Portable Devices
  • 2.5 V to 3.3 V Boost Conversion
  • Constant High Frequency (2 MHz) Operation
  • 100 mA Output Current
  • Regulated Output Voltage (5 V Fixed or Adjustable)
  • Soft Start, Slew Rate Control
  • Reverse Leakage Protection
  • Thermal Overload Shutdown Protection
  • Low Value External Capacitors (1 µF)
  • Foldback Current Overload Protection
  • Shutdown Current less than 1 µA
  • This Device is Pb-Free, Halogen Free/BFR Free and is RoHS Compliant

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Package Type

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MSL Type

MSL Temp (°C)

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ON Target

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Vout Typ (V)

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Reference Price

CAT3200HU2-GT3

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Lifetime

CAD Model

Pb

A

H

P

UDFN-8

517AW

1

260

REEL

3000

N

2.2 to 4.5

2.7 to 6 (adj)

100

4000

2000

Yes

$0.4276

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