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ANALOG DEVICES MAX845ESA+T

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

ANALOG DEVICES MAX845ESA+T
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Manufacturer Part No:
MAX845ESA+T
Newark Part No.:
73Y6116
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Technical Datasheet:
MAX845ESA+T   Datasheet
ECAD / MCAD
Supply Frame Models Link
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Product Overview

The MAX845ESA+T is an isolated transformer driver for PCMCIA applications in 8 pin NSOIC package. It drives a low-profile centre tapped transformer primary from a 5V or 3.3V DC power supply. The secondary can be wound to provide any isolated positive or negative voltage at powers up to 750mW. The MAX845 consists of an oscillator followed by a toggle flip-flop. The flip-flop generates two 50% duty cycle square waves which are complementary at half the oscillator frequency (450KHz min). These two signals drive the ground-referenced N-channel power switches. Internal circuitry ensures break-before-make action between the two switches. A low power shutdown disables both the switches and the oscillator, reducing power consumption. Typical applications include PCMCIA modem cards, isolated data acquisition, isolated interface power supply, noise-immunity communications interface, bridging ground differences, process control and low power LAN networks.
  • Supply voltage range is 2.5V to 6V
  • Operating temperature range from -40°C to 85°C
  • Minimum switching frequency is 450KHz
  • Ultra low input supply current ripple
  • Shutdown mode current is 5μW
  • Low output ripple permits miniature output capacitors

Applications

Power Management, Communications & Networking, Medical

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

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 Documents (1)

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Delivery in 2-4 business days
(UK Stock)

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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