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TL3842P

Current Mode PWM Controller, 12V-25V supply, 30V/200mA out, 100 kHz, DIP-8

TEXAS INSTRUMENTS TL3842P
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Manufacturer Part No:
TL3842P
Order Code:
3123463

Product Overview

The TL3842P is a current-mode PWM Controller provides the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes with a minimum number of external components. Some of the internally implemented circuits are an under-voltage lockout (UVLO), featuring a start-up current of less than 1mA and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator (that also provides current-limit control) and a totem-pole output stage designed to source or sink high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in the OFF state.
  • Optimized for Off-line and DC-to-DC converters
  • <1mA Low start-up current
  • Automatic feed-forward compensation
  • Pulse-by-pulse current limiting
  • Enhanced load-response characteristics
  • Under-voltage lockout with hysteresis
  • Double-pulse suppression
  • High-current totem-pole output
  • Internally trimmed band gap reference

Applications

Industrial

Warnings

This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

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:
5.5V

:
30V

:
200mA

:
12V

:
25V

:
DIP

:
8Pins

:
500kHz

:
0°C

:
70°C

:
-

:
-

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-
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Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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