PEF2023

Features:

•Switched Mode DC/DC Converter
•ITU ISDN Compatible
•Low Power Dissipation
•Supply Voltage Range 0:    8V to 16V
  Supply Voltage Range 1:  12V to 80V
  Supply Voltage Range 2:  22V to 90V
  (pin striping selects between range 1 and range 2)
  Supply Voltage Range 3, with shifting by an external zener diode:  UZD+8V to UZD+90V(minimum zener voltage UZD
= 14V)
•Programmable Overcurrent Protection
•Soft Start
•Power Housekeeping Input
•Input Undervoltage Detection
•High Input Impedance (<10µA) During Undervoltage Condition
•Oscillator Synchronization Input/Output
•High Voltage Smart Power Technology 75V  
•P-DSO-14/1 Package

 

Pinout

Specifications




Description

The PEB/F 2023 contains the following functional blocks:
•Supply and Biasing
•Undervoltage Detection
•Temperature Compensated Voltage Reference
•Sawtooth Oscillator
•Error Amplifier
•Pulse Width Modulator
•Digital Current Limiting
•Soft Start
•Control Logic (double pulse inhibit)
•Output Driver