PSB2120 - ISDN Remote Power Controller

Product Overview

Siemens Semiconductor Group

Part number	PSB2120
Manufacturer	Siemens Semiconductor Group
File Size	292.59 KB
Description	ISDN Remote Power Controller
Datasheet	PSB2120 Datasheet
Additional preview pages of the PSB2120 datasheet.

The reference provides a 4.0 V voltage for the regulation loop.

A high gain error amplifier compares the reference voltage with the switch mode supply output voltage.

The output of the error amplifier is compared with a periodic linear ramp, which is generated by the sawtooth-oscillator circuit.

q Switched mode DC/DC-converter q Switched mode DC/DC-converter q CCITT (I.430) ISDN compatible q Integrated 200 V power FET (only PSB 2120-P in P-DIP-22) q Low power dissipation q Supply voltage range 10 V to 60 V q Input undervoltage detection q Programmable overcurrent protection q Soft start q Control circuit to achieve minimum start-up current q Power housekeeping input q Oscillator synchronization input/output q Polarity reversal detection q High voltage CMOS-technology 60 V P-DSO-24-1.

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Published: May 9, 2005 |