MC33997 Switching Power Supply

Motorola

Description

Freescale Semiconductor, Inc.MOTOROLA SEMICONDUCTOR TECHNICAL DATA Document order number: MC33997/D Rev 3.0, 03/2003 Advance Information Switching P.
Pin 1 2 3 4 Pin Name VKAMOK KA_VPWR CRES VPWR Description Keep-Alive Output Monitoring.

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Datasheet Specifications

Part number: MC33997
Manufacturer: Motorola
File Size: 454.88 KB
Datasheet: MC33997_Motorola.pdf
Description: Switching Power Supply

Features

* Operating Voltage Range 6.0 V up to 26.5 V (40 V transient)
* Step-Down Switching Regulator Output VDDH = 5.0 V @ 1400 mA (total)
* Linear Regulator with External Pass Transistor VDDL = 3.3 V @ 400 mA
* Low-Power Standby Linear Regulator VKAM = 3.3 V @ 10 mA

Applications

* this pin must be protected against reverse battery conditions by an external diode. Ground of the integrated circuit. Internal P-Channel Power MOSFET Drain. VSW is the "switching node" of the voltage buck converter. This pin is connected to the VPWR pin by an integrated p-channel MOSFET. Power OK Re

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MC33997 Switching Power Supply Motorola

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