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NCP4683

ON Semiconductor
Part Number NCP4683
Manufacturer ON Semiconductor
Description Low Dropout Regulator
Published Nov 7, 2013
Detailed Description NCP4683 300 mA, Low Dropout Regulator The NCP4683 is a CMOS Linear voltage regulator with 300 mA output current capabi...
Datasheet PDF File NCP4683 PDF File

NCP4683
NCP4683

Overview
NCP4683 300 mA, Low Dropout Regulator The NCP4683 is a CMOS Linear voltage regulator with 300 mA output current capability.
The device has high output voltage accuracy, low supply current and high ripple rejection.
The NCP4683 is easy to use, with output current fold−back protection circuit included.
A Chip Enable function is included to save power by lowering supply current.
The line and load transient responses are very good, thus this regulator is suitable for use as a power supply for communication equipment.
Features • Operating Input Voltage Range: 1.
40 V to 5.
25 V • Output Voltage Range: 0.
8 V to 3.
6 V (available in 0.
1 V steps) • Output Voltage Accuracy: ±1.
0% (VOUT > 2.
0 V) • Supply Current: 50 mA • Dropout Voltage: 0.
25 V (IOUT = 300 mA, VOUT = 2.
8 V) • High PSRR: 70 dB (f = 1 kHz) • Line Regulation: 0.
02%/V Typ.
• Stable with Ceramic Capacitors: 1.
0 mF or more • Current Fold Back Protection • Available in UDFN4 1.
0 x 1.
0 mm, SC−70, SOT23 Packages • These are Pb−Free Devices Typical Applications • Battery−powered Equipment • Networking and Communication Equipment • Cameras, DVRs, STB and Camcorders • Home Appliances VIN C1 1m NCP4683x VIN VOUT CE GND VOUT C2 1m www.
onsemi.
com MARKING DIAGRAMS SOT−23−5 CASE 1212 XXX M SC−70 CASE 419A XXX XMM 1 UDFN4 CASE 517BR XX MM 1 XX, XXX, XXXX = Specific Device Code M, MM = Date Code ORDERING INFORMATION See detailed ordering, marking and shipping information in the package dimensions section on page 18 of this data sheet.
Figure 1.
Typical Application Schematic © Semiconductor Components Industries, LLC, 2016 February, 2016 − Rev.
3 1 Publication Order Number: NCP4683/D NCP4683 VIN VOUT VIN VOUT Vref Vref Current Limit CE CE GND Current Limit NCP4683Hxxxx NCP4683Dxxxx Figure 2.
Simplified Schematic Block Diagram GND PIN FUNCTION DESCRIPTION Pin No.
UDFN1010* Pin No.
SC−70 Pin No.
SOT23 Pin Name 1 4 5 VOUT 2 3 2 GND 3 1 3 CE 4 5 1 VIN − 2 4 NC *Tab is GND level.
(They are connecte...


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