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Semiconductor Components Industries, LLC, 2013
May, 2013 − Rev. 4
1 Publication Order Number:
NCP571/D
NCP571, NCV571
150 mA CMOS Low Iq Low
Output Voltage Regulator
The NCP571 series of fixed output low dropout linear regulators are
designed for handheld communication equipment and portable battery
powered applications which require low quiescent current. The
NCP571 series features an ultra−low quiescent current of 4.0 mA.
Each device contains a voltage reference unit, an error amplifier, a
PMOS power transistor, resistors for setting output voltage, current
limit, and temperature limit protection circuits.
The NCP571 has been designed to be used with low cost ceramic
capacitors and requires a minimum output capacitor of 0.1 mF. The
device is housed in the TSOP−5 or DFN6 surface mount package.
Standard voltage versions are 0.8 V, 0.9 V, 1.0 V and 1.2 V.
Features
Low Quiescent Current of 4.0 mA Typical
Maximum Operating Voltage of 12 V
Low Output Voltage Option down to 0.8 V
High Accuracy Output Voltage of 3.0%
Industrial Temperature Range of −40C to +85C
(NCV571, T
A
= −40C to +125C)
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These are Pb−Free Devices
Typical Applications
Battery Powered Instruments
Hand−Held Instruments
Camcorders and Cameras
Driver w/
Current
Limit
Vin
Vout
Thermal
Shutdown
Enable
GND
OFF
ON
1
3
5
2
+
Figure 1. Representative Block Diagram
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
TSOP−5
SN SUFFIX
CASE 483
MARKING DIAGRAMS
XXX = Specific Device Code
A = Assembly Location
Y = Year
W = Work Week
M = Date Code
G = Pb−Free Package
1
5
http://onsemi.com
XXXAYWG
G
(Note: Microdot may be in either location)
1
6
DFN6
MN SUFFIX
CASE 506BA
XX MG
G
1
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