MAX845ESA

Isolated Transformer Driver, SOP-8, -0.3V to +7V, 1A, 450kHz

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Price:: US $1.15~1.65 / piece [Get Latest Price]

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	US $1.15~1.65

PartNumber:: MAX845ESA

Brand:: Maxim Integrated Products - Maxim | Pack: SOP | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-01-09

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Part Number:MAX845ESA
US $1.15 - 1.65
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Product Summary

The MAX845ESA provides an isolated power supply small enough to fit in thin PCMCIA cards and space-sensitive applications. MAX845ESA drives a low-profile center-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 MAX845ESA 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).

Parametrics

MAX845ESA absolute maximum ratings: (1)Supply Voltage (VCC): -0.3V to +7V; (2)Control Input Voltage (SD, FS): -0.3V to (VCC + 0.3V); (3)Peak Output Switch Current (D1, D2): 1A; (4)Output Switch Voltage (D1, D2): 12V; (5)Average Output Switch Current (D1, D2): 200mA; (6)Operating Temperature Range: -40℃ to +85℃; (7)Storage Temperature Range: -65℃ to +160℃; (8)Junction Temperature: +150℃; (9)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX845ESA features: (1)Transformer Driver for Ultra-Thin 5V-μs Transformers; (2)Isolated DC-to-DC Power Supply for PCMCIA Applications; (3)450kHz Minimum Switching Frequency; (4)Ultra-Low Input Supply Current Ripple; (5)Single +5V or +3.3V Supply; (6)5μW Low-Power Shutdown Mode; (7)8-Pin SO and μMAX Packages; (8)Low Output Ripple Permits Miniature Output Capacitors.