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NCP4686

ON Semiconductor
Part Number NCP4686
Manufacturer ON Semiconductor
Description Low Dropout Regulator
Published Jul 21, 2011
Detailed Description NCP4686 400 mA, High Accuracy, Low Input Voltage, Low Dropout Regulator The NCP4686 is CMOS Linear voltage regulators w...
Datasheet PDF File NCP4686 PDF File

NCP4686
NCP4686

Overview
NCP4686 400 mA, High Accuracy, Low Input Voltage, Low Dropout Regulator The NCP4686 is CMOS Linear voltage regulators with 400 mA output current capability.
The device has very high output voltage accuracy, low supply current and low ON−resistance transistor.
The NCP4686 is easy to use and includes output current fold−back protection and a fully integrated constant slope circuit as a soft−start circuit.
Due to it inrush current is minimized and no output voltage overshoots are there.
A Chip Enable function is included to save power by lowering supply current.
Features • Operating Input Voltage Range: 1.
0 V to 3.
6 V • Output Voltage Range: 0.
7 V to 1.
8 V (available in 0.
1 V steps) • Output Voltage Accuracy: ±0.
8% (VOUT ≥ 1.
0 V, TA = 25°C) • Supply Current: 48 mA • Dropout Voltage: 0.
22 V (VOUT = 1.
5 V) • Line Regulation: 0.
1%/V Typ.
• Ripple Rejection: Typ.
60 dB (f = 10 kHz) • Stable with Ceramic Capacitors: 1 mF or more • Current Fold Back Protection • Build−in Constant Slope Circuit • Available in XDFN6 1.
2 x 1.
2 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 NCP4686x VOUT VIN VOUT CE C1 1m GND C2 1m http://onsemi.
com MARKING DIAGRAMS SC−70 CASE 419A XXX XMM 1 SOT−23−5 CASE 1212 XXXMM 1 XDFN6 CASE 711AA XX MM 1 XX, XXX, XXXX = Specific Device Code M, MM = Date Code A = Assembly Location Y = Year W = Work Week G = Pb−Free Package (*Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 14 of this data sheet.
Figure 1.
Typical Application Schematics © Semiconductor Components Industries, LLC, 2012 February, 2012 − Rev.
1 1 Publication Order Number: NCP4686/D NCP4686 VIN VOUT VIN VOUT Vref Vref Current Limit CE CE GND Current Limit NCP4686Hxxxx NCP4686Dxxxx Figure 2.
Simplified Schema...


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