Versatile PWM Controller

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Overview

The FAN7554 is a fixed frequency current-mode PWM controller. It is specially designed for off-line and DC-to-DC converter applications with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, an ON/OFF control, a high gain error amplifier, a current sensing comparator, and a high current totem-pole output. The FAN7554 has various protection functions such as an overload protection, an over current protection, and the over voltage protection, which includes built-in auto restart circuit. The FAN7554 is available in the 8-DIP package as well as the 8-SOP package.

  • Other Consumer Electronics
  • Current Mode Control
  • Pulse by pulse current limiting
  • Low external components
  • Under-Voltage Lockout (UVLO): 9 V/1 5V
  • Stand-by Current: Typ. 100 µA
  • Power Saving Mode Current: Typ. 200 µA
  • Operating Current: Typ. 7 mA
  • Soft-Start
  • On/Off Control
  • Overload Protection (OLP)
  • Over-Voltage Protection (OVP)
  • Over-Current Protection (OCP)
  • Over-Current Limit (OCL)
  • Operating Frequency up to 500kHz
  • 1 A Totem-pole Output Current

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FAN7554

Obsolete

Pb

A

H

P

PDIP-8

NA

0

TUBE

3000

N

Forward

-

Current Mode

13.2

16.2

50

Price N/A

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