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PDF SC4215A Data sheet ( Hoja de datos )
| Número de pieza | SC4215A | |
| Descripción | Very Low Input / Very Low Dropout 2 Amp Regulator With Enable | |
| Fabricantes | Semtech Corporation | |
| Logotipo |  |
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POWER MANAGEMENT
Description
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.
SC4215A
Very Low Input /Very Low Dropout
2 Amp Regulator With Enable
Features
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
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.
Typical Application Circuits
Applications
Telecom/Networking cards
Motherboards/Peripheral cards
Industrial applications
Wireless infrastructure
Set top boxes
Medical equipment
Notebook computers
Battery powered systems
U1
VIN
ENABLE
4 NC
3 VIN
2 EN
1 NC
NC
VO
FB
GND
5
6
7
8
SC4215A
C1
www.DatVIN
aShENABLE
U1
4 NC
3 VIN
2 EN
1 NC
NC
VO
FB
GND
5
6
7
8
SC4215A
C1
VO
VO = 0.5V
VIN
ENABLE
C2
eet4U.comRevision April 29, 2005
1
VO
R1 VO = 0.5 (R1 + R2) Volts
R2
C2
R2
U1
4 NC
3 VIN
2 EN
1 NC
NC
VO
FB
GND
5
6
7
8
SC4215A
C1
VO
VO = 1 V
C2
www.semtech.com
1 page  
POWER MANAGEMENT
Block Diagram
1.5uA
SC4215A
0 . 85VV
REF
FB
2005 Semtech Corp.
5
www.semtech.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SC4215A.PDF ] | |
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