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PSB2121

Part Number	PSB2121
Manufacturer	Siemens Semiconductor Group
Description	General-Purpose Power Controller
Published	May 9, 2005
Detailed Description	General-Purpose Power Controller (GPPC) PSB 2121 CMOS IC Features q Switched mode DC/DC-converter q CCITT ISDN compat...
Datasheet	PSB2121 PDF File

Overview

General-Purpose Power Controller (GPPC) PSB 2121 CMOS IC Features q Switched mode DC/DC-converter q CCITT ISDN compatible q Low power dissipation q Supply voltage range 8 to 70 V q Programmable input undervoltage protection q Programmable overcurrent protection q Soft start q Power housekeeping input q Oscillator synchronization input/output q High voltage CMOS-technology 70 V P-DSO-20-1 P-DIP-16 Type PSB 2121-P PSB 2121-T Version V A4/A5 V A4/A5 Ordering Code Q67100-H8646 Q67100-H6032 Package P-DIP-16 P-DSO-20-1 (SMD) The PSB 2121 is a pulse width modulator circuit designed for fixed-frequency switching regulators with very low power consumption.
In telephony and ISDN systems a hi...

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