NCP4589(2012) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP4589 Datasheet PDF : 30 Pages
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NCP4589
300 mA, Tri-Mode, LDO
Linear Voltage Regulator
The NCP4589 is a CMOS 300 mA LDO which switches to a low
power mode under light current loads. The device automatically
switches back to a fast response mode as the output load increases
above 3 mA (typ.). The device can be placed in permanent fast mode
through a mode select pin. The family is available in a variety of
packages: SC−70, SOT23 and a small, ultra thin 1.2 x 1.2 x 0.4 mm
XDFN.
Features
• Operating Input Voltage Range: 1.4 V to 5.25 V
• Output Voltage Range: 0.8 to 4.0 V (available in 0.1 V steps)
• Supply Current: Low Power Mode – 1.0 mA at VOUT < 1.85 V
Fast Mode – 55 mA
Standby Mode – 0.1 mA
• Dropout Voltage: 230 mV Typ. at IOUT = 300 mA, VOUT = 2.8 V
• ±1% Output Voltage Accuracy (VOUT > 2 V, TJ = 25 °C)
• High PSRR: 70 dB at 1 kHz (Fast response mode)
• Line Regulation 0.02%/V Typ.
• Current Fold Back Protection
• Stable with Ceramic Capacitors
• Available in 1.2x1.2 XDFN, SC−70 and SOT23 Package
• These are Pb−free Devices
Typical Applications
• Battery Powered Equipments
• Portable Communication Equipments
• Cameras, Image Sensors and Camcorders
VIN
C1
1m
NCP4589
VIN VOUT
CE
AE
GND
VOUT
C2
1m
http://onsemi.com
MARKING
DIAGRAMS
SC−70
CASE 419A
XXX
XMM
XX
MM
XDFN6
CASE 711AA
SOT−23−5
CASE 1212
XXXMM
1
XXXX = Specific Device Code
MM = Date Code
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 27 of this data sheet.
Figure 1. Typical Application Schematic
© Semiconductor Components Industries, LLC, 2012
1
February, 2012 − Rev. 1
Publication Order Number:
NCP4589/D
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