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LM494

Features: Uncommitted output transistors capable of 200 mA source or sinkOn-chip error amplifiers On-chip 5.0V reference Internal protection from double pulsing of outputs with narrow pulse widths or with supply voltages below specified limits Output control selects single ended or push-pull opera...

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SeekIC No. : 004395910 Detail

LM494: Features: Uncommitted output transistors capable of 200 mA source or sinkOn-chip error amplifiers On-chip 5.0V reference Internal protection from double pulsing of outputs with narrow pulse widths o...

LM494 Data Sheet

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Part Number:
LM494
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Uncommitted output transistors capable of 200 mA source or sink
On-chip error amplifiers
On-chip 5.0V reference
Internal protection from double pulsing of outputs with narrow pulse widths or with supply voltages below  specified limits
Output control selects single ended or push-pull operation
Easily synchronized (slaved) to other circuits


Specifications

Storage Temperature Range
Ceramic DIP...................... b65ßC to a175ßC
Molded DIP .......................b65ßC to a150ßC
Operating Temperature Range
Industrial (LM494I) ..............b40ßC to a85ßC
Commercial (LM494C) ..............0ßC to a70ßC
Lead Temperature
Ceramic DIP (Soldering, 60 sec.)......... 300ßC
Molded DIP (Soldering, 10 sec.).......... 265ßC
Internal Power Dissipation (Notes 1, 2)
16L-Ceramic DIP ..................................1.50W
16L-Molded DIP ...................................1.04W
Supply Voltage........................................ 42V
Voltage from Any Lead to Ground
(except Lead 8 and Lead 11)........ VCC a 0.3V
Output Collector Voltage.......................... 42V
Peak Collector Current
(IC1 and IC2) .....................................250 mA
ESD Susceptibility (to be determined)


Description

The LM494 is a monolithic integrated circuit which includes all the necessary building blocks for the design of pulse width modulated (PWM) switching power supplies, including push-pull, bridge and series configurations. The device can operate at switching frequencies between 1.0 kHz and 300 kHz and output voltages up to 40V. The operating temperature range specified for the LM494C is 0ßC to 70ßC and for the LM494V is b40ßC to a85ßC.



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