SGM2057 Negative Charge Pump and Adjustable Regulator

SG Micro

Description

SGM2057 Negative Charge Pump and Adjustable Regulator GENERAL .
The SGM2057 is a negative output charge pump which has an inside adjustable regulator.

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Datasheet Specifications

Part number: SGM2057
Manufacturer: SG Micro
File Size: 1.05 MB
Datasheet: SGM2057-SGMicro.pdf
Description: Negative Charge Pump and Adjustable Regulator

Features

* Input Voltage Range: 2.3V to 5.5V
* Dual Outputs:
* VOUT1: -VIN (Unregulated Negative Charge Pump Output)
* VOUT2: -VCTL between 0V and -VIN (Regulated Output)
* Output Current Limit: 175mA (TYP)
* Stable with Small Case Size Ceramic Capacitors
* Thermal Shutdown Protec

Applications

* Optical Applications Biasing of the Amplifier for RF Supplying Sensors in Portable Devices TYPICAL APPLICATION 3.3V CIN 4.7μF CFLY 4.7μF 10 IN OUT1 7 3 SGM2057 CTL 2 EN 9 CP OUT2 5 8 CN GND 1, 6 COUT1 4.7μF -3.3V COUT2 4.7μF 0V to -3.3V Equal to Negative CTL Voltage Figure 1. Typical

SGM2057 Distributors

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SGM2057 Negative Charge Pump and Adjustable Regulator SG Micro

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