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NCP4671

ON Semiconductor
Part Number NCP4671
Manufacturer ON Semiconductor
Description Dual Rail Ultra Low Dropout Linear Regulator
Published Sep 3, 2015
Detailed Description NCP4671 400 mA, Dual Rail Ultra Low Dropout Linear Regulator The NCP4671 is a CMOS Dual Supply Rail Linear Regulator d...
Datasheet PDF File NCP4671 PDF File

NCP4671
NCP4671

Overview
NCP4671 400 mA, Dual Rail Ultra Low Dropout Linear Regulator The NCP4671 is a CMOS Dual Supply Rail Linear Regulator designed to provide very low output voltages.
The Dual Rail architecture which separates the power for the LDO control circuitry (provided via the Vbias pin) from the main power path (Vin) offers ultra−low dropout performance, allowing the device to operate from input voltages down to 0.
9 V and to generate a fixed high accuracy output voltage as low as 0.
6 V.
The NCP4671 offers excellent transient response with very low quiescent currents.
The family is available in a variety of packages: SC−70, SOT23 and a small, ultra thin 1.
2 x 1.
2 x 0.
4mm XDFN.
Features • Bias Supply Voltage Range : 2.
4 V to 5.
25 V (VOUT < 0.
8 V) Set VOUT + 1.
6 V to 5.
25 V (VOUT ≥ 0.
8 V) • Power Input Voltage Range : 0.
9 V to VBIAS (VOUT < 0.
8 V) Set VOUT + 0.
1 V to VBIAS (VOUT ≥ 0.
8 V) • Output Voltage Range: 0.
6 to 1.
5 V (available at 0.
1 steps) • Very Low Dropout: 180 mV Typ.
at 400 mA • Quiescent Current: 28 mA • Standby Current: 0.
1 mA • ±15 mV Output Voltage Accuracy (TA = 25°C) • High PSRR: 80 dB at 1 kHz (Ripple at VIN) 50 dB at 1 kHz (Ripple at VBIAS) • Current Fold Back Protection Typ.
120 mA • Available in XDFN, SC−70, SOT23 Package • These are Pb−Free Devices Typical Applications • Battery Powered Equipments • Portable Communication Equipments • Cameras, VCRs and Camcorders VIN DC/DC converter C1 C2 1m 1m NCP4671x VIN VBIAS VOUT CE GND VOUT C3 2m 2 http://onsemi.
com MARKING DIAGRAMS SC−70 CASE 419A (In Development) XXX XMM 1 XDFN6 CASE 711AA XX MM 1 SOT−23−5 CASE 1212 XXXMM 1 XX, XXX= 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, marking and shipping information in the package dimensions section on page 20 of this data sheet.
Figure 1.
Typical Application Schematic © Semiconductor Components Industries, LL...


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