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NCP161
ON Semiconductor
NCP161 Datasheet PDF : 22 Pages
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LDO Regulator for RF and
Analog Circuits - Ultra-Low
Noise and High PSRR
450 mA
NCP161
The NCP161 is a linear regulator capable of supplying 450 mA
output current. Designed to meet the requirements of RF and analog
circuits, the NCP161 device provides low noise, high PSRR, low
quiescent current, and very good load/line transients. The device is
designed to work with a 1 mF input and a 1 mF output ceramic capacitor.
It is available in two thickness ultra−small 0.35P, 0.65 mm x 0.65 mm
Chip Scale Package (CSP) and XDFN4 0.65P, 1 mm x 1 mm.
Features
• Operating Input Voltage Range: 1.9 V to 5.5 V
• Available in Fixed Voltage Option: 1.8 V to 5.14 V
• ±2% Accuracy Over Load/Temperature
• Ultra Low Quiescent Current Typ. 18 mA
• Standby Current: Typ. 0.1 mA
• Very Low Dropout: 150 mV at 450 mA
• Ultra High PSRR: Typ. 98 dB at 20 mA, f = 1 kHz
• Ultra Low Noise: 10 mVRMS
• Stable with a 1 mF Small Case Size Ceramic Capacitors
• Available in −WLCSP4 0.65 mm x 0.65 mm x 0.4 mm
−WLCSP4 0.65 mm x 0.65 mm x 0.33 mm
−XDFN4 1 mm x 1 mm x 0.4 mm
−SOT23−5 2.9 mm x 2.8 mm x 1.2 mm
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
• Battery−powered Equipment
• Wireless LAN Devices
• Smartphones, Tablets
• Cameras, DVRs, STB and Camcorders
VIN
IN
OUT
CIN
1 mF
Ceramic
NCP161
EN
ON
OFF
GND
VOUT
COUT
1 mF
Ceramic
Figure 1. Typical Application Schematics
www.onsemi.com
WLCSP4
CASE 567JZ
WLCSP4
CASE 567KA
MARKING
DIAGRAMS
X
A1
X
A1
1
XDFN4
CASE 711AJ
XX M
1
1
SOT23−5
CASE 527AH
X, XX, XXX = Specific Device Code
M
= Date Code
PIN CONNECTIONS (Top Views)
IN
GND
EN
15
2
34
OUT
NC
IN OUT
A1
A2
B1 B2
EN GND
IN
EN
4
3
EPAD
1
OUT
2
GND
ORDERING INFORMATION
See detailed ordering and shipping information on page 16 of
this data sheet.
© Semiconductor Components Industries, LLC, 2017
1
December, 2020 − Rev. 16
Publication Order Number:
NCP161/D
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