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SC4215 fiches techniques PDF

Semtech Corporation - Very Low Input / Very Low Dropout 2 Amp Regulator With Enable

Numéro de référence SC4215
Description Very Low Input / Very Low Dropout 2 Amp Regulator With Enable
Fabricant Semtech Corporation 
Logo Semtech Corporation 





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SC4215 fiche technique
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 fea-
tures ultra low dropout, ideal for applications where Vout
is very close to Vin. Additionally, the SC4215 has an en-
able pin to further reduce power dissipation while shut
down. The SC4215 provides excellent regulation over varia-
tions in line, load and temperature.
SC4215
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
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.
Typical Application Circuits
Applications
‹ Telecom/Networking cards
‹ Motherboards/Peripheral cards
‹ Industrial Applications
‹ Wireless infrastructure
‹ Set top boxes
‹ Medical equipment
‹ Notebook computers
‹ Battery powered systems
VIN
ENABLE
SC4215
4 NC
NC 5
3 VIN
VO 6
2 EN
ADJ 7
1 NC
GND 8
U1
C1
www.DataVIN
SheENABLE
4 NC
3 VIN
2 EN
1 NC
NC
VO
ADJ
GND
5
6
7
8
U1
C1
VO = 0.8V
VIN
ENABLE
C2
et4U.comRevision July 31, 2003
1
VO
R1
VO
=
0.8 (R1 + R2)
R2
Volts
C2
R2
SC4215
4 NC
NC 5
3 VIN
VO 6
2 EN
ADJ 7
1 NC
GND 8
U1
C1
VO = 2.5V
C2
www.semtech.com

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