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ON Semiconductor - Very Low Dropout Bias Rail CMOS Voltage Regulator

Numéro de référence NCP121
Description Very Low Dropout Bias Rail CMOS Voltage Regulator
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP121 fiche technique
NCP121
150 mA, High Accuracy,
Very Low Dropout Bias Rail
CMOS Voltage Regulator
The NCP121 is a high accuracy 150 mA VLDO equipped with
NMOS pass transistor and a separate bias supply voltage (VBIAS). The
device provides stable, very accurate output voltage with low noise
suitable for space constrained, noise sensitive applications. In order to
optimize performance for battery operated portable applications, the
NCP121 features low IQ consumption. The XDFN6 1.2 mm x 1.2 mm
package is optimized for use in space constrained applications.
Features
Input Voltage Range: 0.8 V to 5.5 V
Bias Voltage Range: 2.4 V to 5.5 V
Fixed Output Voltage Device
Output Voltage Range: 0.8 V to 2.1 V
±1.0% Accuracy over Line, Load and Temperature, 0.2% VOUT @
25°C
Ultra−Low Dropout: 75 mV Maximum at 150 mA
Very Low Bias Input Current of Typ. 80 mA
Very Low Bias Input Current in Disable Mode: Typ. 0.5 mA
Logic Level Enable Input for ON/OFF control
Output Active Discharge Option available
Stable with a 1 mF Ceramic Capacitor
Available in XDFN6 − 1.2 mm x 1.2 mm x 0.4 mm package
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
Battery−powered Equipment
Smartphones, Tablets
Cameras, DVRs, STB and Camcorders
www.onsemi.com
MARKING
DIAGRAM
XDFN6
CASE 711AT
XM
T
X = Specific Device Code
M = Date Code
PIN CONNECTIONS
OUT
1
6 IN
NC 2
Thermal
Pad
5 GND
EN 3
(Top VIew)
4 BIAS
ORDERING INFORMATION
See detailed ordering, marking and shipping information on
page 7 of this data sheet.
VBIAS
2.7 V
100 nF
VIN
1.2 V
1 mF
NCP121
BIAS
OUT
IN
EN
GND
1 mF
VOUT
1.05 V @ 150 mA
VEN
Figure 1. Typical Application Schematics
© Semiconductor Components Industries, LLC, 2015
March, 2015 − Rev. 0
1
Publication Order Number:
NCP121/D

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