Name: 50 mA, 1.15-5.5 V Switched Capacitor Voltage Converter
Brand: 50 mA, 1.15-5.5 V Switched Capacitor Voltage Converter
SKU: MAX829

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50 mA, 1.15-5.5 V Switched Capacitor Voltage Converter

Obsolete

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Overview

The MAX828 and MAX829 are CMOS charge-pump voltage converters in ultra-small SOT-23 5 lead packages. They invert and/or double an input voltage which can range from +1.5V to +5.5V. Conversion efficiency is typically >95%. Switching frequency is 12kHz for the MAX828 and 35kHz for the MAX829.

External component requirement is only two capacitors (3.3渭F nominal) for standard voltage inverter applications. With a few additional components a positive doubler can also be built. All other circuitry, including control, oscillator, power MOSFETs are integrated on-chip. Supply current is 50 渭A (MAX828) and 115 渭A (MAX829).

The MAX828 and MAX829 are available in a SOT-23 5 lead surface mount package.

LCD Panel Bias
Cellular Phones
Pagers
Personal Digital Assistants
Electronic Games
Digital Cameras
Camcorders
Hand Held Instruments

Charge Pump in Thin SOT23-5 Lead Package
>95% Voltage Conversion Efficiency
Voltage Inversion and/or Doubling
Low 50 mA (MAX828) Quiescent Current
Operates from +1.5V to +5.5V
Up to 25 mA Output Current
Only Two External Capacitors Required
Tested Operating Temperature Range: -40°C to +85°C
Pb-Free Packages are Available

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Reference Price

MAX828EUK

Obsolete

TSOP-5 / SOT-23-5

483

235

REEL

3000

1.15 to 5.5

-Vin or 2Vin

Price N/A

MAX828EUKG

Obsolete

TSOP-5 / SOT-23-5

483

260

REEL

3000

1.15 to 5.5

-Vin or 2Vin

Price N/A

MAX829EUK

Obsolete

TSOP-5 / SOT-23-5

483

235

REEL

3000

1.15 to 5.5

-Vin or 2Vin

Price N/A

MAX829EUKG

Obsolete

TSOP-5 / SOT-23-5

483

260

REEL

3000

1.15 to 5.5

-Vin or 2Vin

Price N/A

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Charge Pumps | MAX829

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