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CMPWR100A, CMPWR101, CMPWR101R

Table of contents:
Info of CMPWR100A
Info of CMPWR101
Info of CMPWR101R

CMPWR100A, CMPWR101, CMPWR101R Selling Leads, Datasheet

MFG:00-01+ Package Cooled:SOP-8 D/C:CMPWR

CMPWR100A, CMPWR101, CMPWR101R Datasheet download

Five Points

Part Number: CMPWR100A

MFG: 00-01+

Package Cooled: SOP-8

D/C: CMPWR

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CMPWR101 General Description

The California Micro Devices&prime SmartOR™ CMPWR101 is a low dropout regulator that delivers up to 250mA of load current at a fixed 3.3V output. An internal threshold level (typically 4.1V) is used to prevent the regulator from being operated below dropout voltage. The device continuously monitors the input supply and will automatically disable the regulator when VCC falls below the threshold level. When the regulator is disabled, a low impedance, fully integrated switch is enabled which allows the output to be directly powered from an auxiliary 3.3V supply.

When VCC is restored to a level above the select threshold, the low impedance switch is disabled and the regulator is once again enabled.

All the necessary control circuitry needed to provide a smooth and automatic transition between the supplies has been incorporated. This allows VCC to be dynamically switched without loss of output voltage.

An output logic signal, DRIVE, is active LOW whenever the internal regulator is disabled.

The CMPWR101 is housed in a 8-pin SOIC package and is available with RoHS compliant lead-free finishing.

CMPWR101 Maximum Ratings

Automatic detection of VCC input supply
Glitch-free output during supply transitions
Built-in hysteresis during supply selection
250mA output maximum load current
Fully integrated VAUX switch
Overload current protection
Short circuit current protection
Operates from either VCC or VAUX
8-pin SOIC package
RoHS compliant (lead-free) finishing

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