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MAX253ESA+T

Transformer Driver, 2.5 V to 6 V in, NSOIC-8

MAXIM INTEGRATED PRODUCTS MAX253ESA+T

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Manufacturer Part No:
MAX253ESA+T
Order Code:
2511378
Technical Datasheet:
MAX253ESA+T   Datasheet
See all Technical Docs

Product Overview

The MAX253ESA+T is a transformer driver for isolated RS485 interface in 8 pin NSOIC package. It is a monolithic oscillator/power-driver specifically designed to provide isolated power for an isolated RS485 or RS232 data interface. The device drives a centre-tapped transformer primary from a 5V or 3.3V DC power supply. The secondary can be wound to provide any isolated voltage needed at power levels up to 1W. It consists of a CMOS oscillator driving a pair of N-channel power switches. The oscillator runs at double the output frequency, driving a toggle flip flop to ensure 50% duty cycle to each of the switches. Internal delays are arranged to ensure break before make action between the two switches. The SD pin puts the entire device into a low-power shutdown state, disabling both the power switches and oscillator. It is used in high noise-immunity communications interface, isolated and/or high-voltage power supplies and bridge ground differentials.
  • Supply voltage range is 2.5V to 6V
  • Operating temperature range from -40°C to 85°C
  • Shutdown supply current is 0.4µA
  • Pin-selectable frequency of 350KHz or 200KHz
  • Maximum on-resistance of switch is 4ohm
  • Maximum operating supply current is 5mA

Applications

Communications & Networking, Medical

Product Information

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:
Transformer Driver

:
2.5V

:
6V

:
NSOIC

:
8Pins

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

Packaging type Cut Tape
  Additional packaging options available
Re-reel (minimum 10/reel):2511378RL Check stock

748 In stock Need more?

347 available for 1 - 2 day despatch
401 available for 3 - 4 day despatch

Php285.60

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