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SC4215A Datasheet(PDF) 1 Page - Semtech Corporation

Part No. SC4215A
Description  Very Low Input /Very Low Dropout 2 Amp Regulator With Enable
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SC4215A Datasheet(HTML) 1 Page - Semtech Corporation

   
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SC4215A
Very Low Input /Very Low Dropout
2 Amp Regulator With Enable
POWER MANAGEMENT
POWER MANAGEMENT
Revision April 29, 2005
The SC4215A 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
amp. It operates with a Vin as low as 1.4V, with output
voltage programmable as low as 0.5V. The SC4215A fea-
tures ultra low dropout, ideal for applications where Vout
is very close to Vin. Additionally, the SC4215A has an en-
able pin to further reduce power dissipation while shut-
down. The SC4215A provides excellent regulation over
variations in line, load and temperature.
The SC4215A is available in the SOIC-8EDP (Exposed Die
Pad) package. The output voltage can be set via an exter-
nal divider or to 0.5V depending on how the FB pin is con-
figured.
Input Voltage as low as 1.4V
500mV dropout @ 2A
Adjustable output from 0.5V 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
Telecom/Networking cards
Motherboards/Peripheral cards
Industrial applications
Wireless infrastructure
Set top boxes
Medical equipment
Notebook computers
Battery powered systems
Description
Features
Applications
Typical Application Circuits
Volts
R2
R2)
(R1
0.5
VO
+
=
ENABLE
C1
R1
U1
SC4215A
1
2
3
5
4
8
7
6
NC
EN
VIN
NC
NC
GND
FB
VO
VO
VIN
R2
C2
C1
U1
SC4215A
1
2
3
5
4
8
7
6
NC
EN
VIN
NC
NC
GND
FB
VO
VO
ENABLE
VIN
C2
VIN
C1
ENABLE
U1
SC4215A
1
2
3
5
4
8
7
6
NC
EN
VIN
NC
NC
GND
FB
VO
VO
C2
V
5
.
0
VO
=
V
1
VO
=


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