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NCV47721 Datasheet(PDF) 1 Page - ON Semiconductor

No. de Pieza. NCV47721
Descripción  Adjustable LDO with Adjustable Current Limit
Descarga  16 Pages
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Fabricante  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
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NCV47721 Datasheet(HTML) 1 Page - ON Semiconductor

 
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© Semiconductor Components Industries, LLC, 2015
April, 2017 − Rev. 1
1
Publication Order Number:
NCV47721/D
NCV47721
3.3 V to 20 V Adjustable LDO
with Adjustable Current Limit
and Diagnostic Features
The NCV47721 LDO regulator with 200 mA output current is
designed for use in harsh automotive environments. The device has a
high peak input voltage tolerance and reverse input voltage, reverse
bias, overcurrent and overtemperature protections. The integrated
current sense feature (adjustable by resistor connected to CSO pin)
provides diagnosis and system protection functionality. The CSO pin
output current creates voltage drop across CSO resistor which is
proportional to output current. Extended diagnostic features in OFF
state are also available and controlled by dedicated input and output
pins.
Features
Adjustable Output: 3.3 V to 20 V ±3% Output Voltage
Output Current: up to 200 mA
Enable Input (3.3 V Logic Compatible)
Adjustable Current Limit: up to 300 mA
Protection Features:
Current Limitation
Thermal Shutdown
Reverse Input Voltage and Reverse Bias Voltage
Diagnostic Features:
Short To Battery (STB) and Open Load (OL) in OFF State
Internal Components for OFF State Diagnostics
Open Collector Flag Output
AEC−Q100 Grade 1 Qualified and PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
Audio and Infotainment System
Active Safety System
Figure 1. Application Schematic
Vout
GND
Vin
CSO
EN
Cin
Cout
R CSO
CCSO
1 µF
10 mF
NCV47721
1 µF
Cb * - is optional for stability with ceramic output capacitor
DE
EF
Diagnostic Enable Input
Error Flag Output (Open Collector)
R2
R1
Cb*
ADJ
To A /D
www.onsemi.com
MARKING
DIAGRAM
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
TSSOP−14
Exposed Pad
CASE 948AW
NCV4
7721
ALYW
G
G
1
14
1
14
47721
= Specific Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= Pb−Free Package
(Note: Microdot may be in either location)


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