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CS8120YTVA5 Fiches technique(PDF) 1 Page - Cherry Semiconductor Corporation

No de pièce CS8120YTVA5
Description  5V, 300mA Linear Regulator with and ENABLE RESET
Download  8 Pages
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Fabricant  CHERRY [Cherry Semiconductor Corporation]
Site Internet  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS8120YTVA5 Fiches technique(HTML) 1 Page - Cherry Semiconductor Corporation

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1
Features
Over
Voltage
Shutdown
RESET
Comparator
Error
Amplifier
TO VOUT
+
+
-
VREF
ENABLE
Comparator
Bandgap
Supply
Output
Current
Limit
Bandgap
Reference
Thermal
Shutdown
-
VIN
ENABLE
RESET
VOUT
Gnd
s
5V ± 4% Output Voltage
300mA
s
Low Dropout Voltage
(1V @ 150mA)
s
Low Quiescent Current
(2.5mA @ IOUT = 150mA)
s
µP Compatible Control
Functions
s
Low Current Sleep Mode
IQ=250µA
s
Fault Protection
Thermal Shutdown
Short Circuit
60V Load Dump
ENABLE
RESET
Package Options
5 Lead TO-220
Tab (Gnd)
14 Lead SOIC
Narrow
8 Lead PDIP
5V, 300mA Linear Regulator with
and ENABLE
RESET
1
CS8120
Description
The CS8120 is a 5V, 300mA precision
linear regulator with two microproces-
sor compatible control functions and
protection circuitry included on chip.
The composite NPN-PNP output pass
transistor assures a lower dropout volt-
age (1V @ 200mA) without requiring
excessive supply current (2.5mA).
The CS8120Õs two logic control func-
tions make this regulator well suited to
applications requiring microprocessor-
based control at the board or module
level.
controls the output
stage. A high voltage (>2.9V) on the
lead turns off the regula-
torÕs pass transistor and sends the IC
into Sleep mode where it draws only
250µA. The
function sends a
signal when the IC is power-
ing up or whenever the output voltage
moves out of regulation. The
signal is valid down to VOUT = 1V.
The CS8120 design optimizes supply
rejection by switching the internal
bandgap reference from the supply
input to the regulator output as soon as
the nominal output voltage is achieved.
Additional on chip filtering enhances
rejection of high frequency transients
on all external leads.
The CS8120 is fault protected against
short circuit, over voltage and thermal
runaway conditions.
RESET
RESET
RESET
ENABLE
ENABLE
Block Diagram *
1
VIN
SENSE
NC
VOUT
Gnd
NC
NC
NC
NC
NC
NC
NC
RESET
ENABLE
1
VIN
ENABLE
Gnd
RESET
VOUT
SENSE
NC
NC
1VIN
2
3
Gnd
4
5VOUT
RESET
ENABLE
* TO-220 Block Diagram
1
5 Lead D2 PAK
Rev. 2/3/98
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: info@cherry-semi.com
Web Site: www.cherry-semi.com
A
Company
¨


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