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NCP400 数据表(PDF) 2 Page - ON Semiconductor

部件名 NCP400
功能描述  150 mA CMOS Low Iq Low-Dropout Voltage Regulator with Voltage Detector Output
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

NCP400 数据表(HTML) 2 Page - ON Semiconductor

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NCP400
http://onsemi.com
2
TYPICAL OPERATION CIRCUIT
Figure 1. Power Supply and Reset Circuit for Microprocessor and/or Memory Chip
VIN
NCP400
VOUT
RESET
CD
GND
C
VDD
ENABLE
GND
1
mF
CIN
RESET
1
mF
COUT
Microprocessor
/ Memory Chip
DelayTime : (
Dt) +
(C
0.97 V)
1.56
mA
PIN DESCRIPTION
Pin No.
Symbol
Description
1
VIN
Positive power supply input voltage.
2
ENABLE
This input is used to place the device into low–power standby. When this input is pulled low, the device is
disabled. If this function is not used, ENABLE should be connected to VIN.
3
RESET
Voltage detect output signal.
4
CD
Delay capacitor pin.
5
GND
Power supply ground.
6
VOUT
Voltage regulator output voltage.
REPRESENTATIVE BLOCK DIAGRAM
Figure 2. Representative Block Diagram
+
+
Vref
CD
VIN
GND
ENABLE
Thermal
Shutdown
Driver w/
Current
Limit
VOUT
RESET
ON
OFF


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