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MAX638ACPA+

Buck (Step Down) Switching Regulator, Fixed, 5V-16.5Vin, 5V/75mA out, 65 kHz, DIP-8

MAXIM INTEGRATED PRODUCTS MAX638ACPA+

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Manufacturer Part No:
MAX638ACPA+
Order Code:
2514006
Technical Datasheet:
MAX638ACPA+   Datasheet
See all Technical Docs

Product Overview

The MAX638ACPA+ is a CMOS step down switching regulator in 8 pin DIP package. This device is designed for minimum component, low power DC to DC conversion. Typical application requires only small, low cost inductor, an output filter capacitor and a catch diode. Low battery detection circuitry is included on-chip. It is fixed +5V output regulator and can also be set for other voltages by adding two resistors. The MAX638 is used in linear voltage regulator replacement +12V to +5V conversion and battery life extension applications.
  • Supply voltage range from 5V to 16.5V (Vout = 5V) and 2.2V to 16.5V (adjustable mode)
  • Operating temperature range from 0°C to 70°C
  • Typical efficiency of 85% and output current of 0.075A
  • Supply current of 135µA at TA = 25°C
  • Line regulation is 0.2% Vout and load regulation is 0.2% Vout
  • Oscillator frequency of 65KHz and oscillator duty cycle of 50%

Applications

Power Management, Portable Devices

Product Information

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:
Buck (Step Down)

:
5V

:
16.5V

:
DIP

:
8Pins

:
75mA

:
5V

:
65kHz

:
70°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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