TL494CD

16-SOIC, voltage mode PWM controller, 200-mA , 5-V, Variable Dead Time

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Price:: US $0.10~0.20 / piece [Get Latest Price]

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PartNumber:: TL494CD

Brand:: Texas Instruments - TI | 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: 2012-04-02

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Part Number:TL494CD
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Product Summary

The TL494CD is a voltage mode PWM controller which incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application. The TL494CD contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V, 5%-precision regulator, and output-control circuits.

Parametrics

TL494CD absolute maximum ratings: (1)Supply voltage(2): 41 V; (2)Amplifier input voltage: VCC + 0.3 V; (3)Collector output voltage: 41 V; (4)Collector output current: 250 mA; (5)Package thermal impedance: N package, 67; NS package, 64; PW package, 108; D package, 73; DB package, 82 ℃/W; (6)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260 ℃; (7)Storage temperature range: –65 to 150 ℃.

Features

TL494CD features: (1)Complete PWM Power-Control Circuitry; (2)Uncommitted Outputs for 200-mA Sink or Source Current; (3)Output Control Selects Single-Ended or Push-Pull Operation; (4)Internal Circuitry Prohibits Double Pulse at Either Output; (5)Variable Dead Time Provides Control Over Total Range; (6)Internal Regulator Provides a Stable 5-V Reference Supply With 5% Tolerance; (7)Circuit Architecture Allows Easy Synchronization.