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SC4215

Semtech Corporation
Part Number SC4215
Manufacturer Semtech Corporation
Description Very Low Input / Very Low Dropout 2 Amp Regulator With Enable
Published Dec 13, 2005
Detailed Description POWER MANAGEMENT Description The SC4215 is a high performance positive voltage regulator designed for use in application...
Datasheet PDF File SC4215 PDF File

SC4215
SC4215


Overview
POWER MANAGEMENT Description The SC4215 is a high performance positive voltage regulator designed for use in applications requiring very low Input voltage and very low dropout voltage at up to 2 amps.
It operates with a Vin as low as 1.
6V, with output voltage programmable as low as 0.
8V.
The SC4215 features ultra low dropout, ideal for applications where Vout is very close to Vin.
Additionally, the SC4215 has an enable pin to further reduce power dissipation while shut down.
The SC4215 provides excellent regulation over variations in line, load and temperature.
The SC4215 is available in the SOIC-8EDP package.
The output voltage can be set via an external or an internal resistive divider (2.
5V) or to 0.
8V depending on how the adjust pin is configured.
Very Low Input /Very Low Dropout 2 Amp Regulator With Enable Features ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Input Voltage as low as 1.
6V 500mV dropout @ 2A Adjustable output from 0.
8V to 3.
3V Over current and over temperature protection Enable pin 10µA quiescent current in shutdown Low reverse leakage (output to input) Full industrial temperature range Available in SOIC-8EDP package SC4215 Applications ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Telecom/Networking cards Motherboards/Peripheral cards Industrial Applications Wireless infrastructure Set top boxes Medical equipment Notebook computers Battery powered systems Typical Application Circuits SC4215 4 VIN ENABLE 3 2 1 VIN EN NC VO ADJ GND 6 7 8 VO VO R1 = 0.
8 (R1 + R2) R2 Volts w C1 U1 C2 R2 w w .
D at VIN ENABLE aS 4 3 2 1 SC4215 NC VO 5 6 7 8 4 NC VIN EN NC NC VO ADJ GND 5 6 7 8 NC VIN EN NC C1 he U1 VO = 0.
8V VIN ENABLE 3 2 1 VO = 2.
5V ADJ GND et C2 C1 U1 C2 4U .
c Revision July 31, 2003 om 1 www.
semtech.
com www.
DataSheet4U.
com NC NC 5 SC4215 POWER MANAGEMENT Absolute Maximum Ratings Exceeding the specifications below may result in permanent damage to the device, or device malfunction.
Operation outside of the parameters specified in the Electrical Character...


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