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MAX853ESA+

DC/DC Fixed Charge Pump Voltage Converter, 4.5 V to 10 V in, -4.1 V/5 mA out, NSOIC-8

MAXIM INTEGRATED PRODUCTS MAX853ESA+

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Manufacturer Part No:
MAX853ESA+
Order Code:
2513966
Technical Datasheet:
MAX853ESA+   Datasheet
See all Technical Docs

Product Overview

The MAX853ESA+ is a low noise, regulated, negative charge-pump power supply for GaAsFET bias in 8 pin NSOIC package. It offer both preset (-4.1V) and adjustable (-0.5V to -9V) output voltages. It uses an external positive control voltage to set the negative output voltage. The applied input voltage (VIN) is first inverted to a negative voltage at NEGOUT by a capacitive charge pump. This voltage is then regulated by an internal linear regulator and appears at OUT. The minimum (most negative) output voltage (VOUT) achievable is the inverted positive voltage plus the 1V required by the post-regulator. The ripple noise induced by the charge-pump inverter is reduced by the linear regulator to 2mVp-p at VOUT for the IC. It is used for negative regulated power supplies, wireless data loggers, continuously adjustable GaAsFET bias and LCD-bias contrast control.
  • Supply voltage range is 4.5V to 10V
  • Operating temperature range from -40°C to 85°C
  • Output current is 5mA
  • Output voltage ripple is 1mVp-p
  • Charge pump switching frequency of 100KHz
  • Logic level shutdown mode, 1µA max over temperature
  • Maximum supply current is 3mA
  • Maximum shutdown supply current is 1µA at VIN = 10V
  • Maximum oscillator frequency is 120KHz at TA = +25°C

Applications

Power Management, Industrial, Portable Devices

Product Information

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:
Fixed

:
4.5V

:
10V

:
NSOIC

:
8Pins

:
5mA

:
-4.1V

:
-

:
-

:
Inverting

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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