UC3844BNG

uc3844bng, High Performance Current Mode Controller, SOIC-8, 5.5V, 1A, ON Semiconductor

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Price:: US $0.23~0.23 / piece [Get Latest Price]

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Qty (lots)	Price/lot
1 ~ 3000 :	0.23 / Piece

PartNumber:: UC3844BNG

Brand:: ON Semiconductor - ON | Pack: | D/C: 11+

Availability:: Supply Ability: 3000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Total Price:: US $0

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Products Upload time: 2013-08-22

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Part Number:UC3844BNG
US $0.23 - 0.23
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piece

Product Summary

The uc3844bng is a High Performance Current Mode Controller. The uc3844bng is high performance fixed frequency current mode controllers. The integrated circuit feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.

Parametrics

uc3844bng absolute maximum ratings: (1)Total Power Supply and Zener Current: 30 mA; (2)Output Current, Source or Sink (Note 1): 1.0 A; (3)Output Energy (Capacitive Load per Cycle): 5.0 μJ; (4)Current Sense and Voltage Feedback Inputs: - 0.3 to + 5.5 V; (5)Error Amp Output Sink Current: 10 mA; (6)Operating Junction Temperature: +150 ℃.

Features

uc3844bng features: (1)Pb-Free Packages are Available; (2)Trimmed Oscillator for Precise Frequency Control; (3)Oscillator Frequency Guaranteed at 250 kHz; (4)Current Mode Operation to 500 kHz Output Switching Frequency; (5)Output Dead time Adjustable from 50% to 70%; (6)Automatic Feed Forward Compensation; (7)Latching PWM for Cycle-By-Cycle Current Limiting; (8)Internally Trimmed Reference with Under voltage Lockout; (9)High Current Totem Pole Output; (10)Under voltage Lockout with Hysteresis; (11)Low Startup and Operating Current.