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NCP4680 Datasheet PDF : 20 Pages
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NCP4680
150 mA, Low Noise Low
Dropout Regulator
The NCP4680 is a CMOS linear voltage regulator with 150 mA
output current capability. The device is available in a tiny 0.8x0.8 mm
XDFN, and has high output voltage accuracy, low supply current and
high ripple rejection. The NCP4680 is easy to use and includes output
current fold−back protection. A Chip Enable function is included to
save power by lowering supply current. The line and load transient
responses are very good, making this regulator ideal 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%
• Supply Current: 50 mA typical
• Dropout Voltage: 0.25 V (IOUT = 150 mA, VOUT = 2.5 V)
• High PSRR: 75 dB (f = 1 kHz, VOUT = 2.5 V)
• Line Regulation: 0.02%/V Typ.
• Stable with Ceramic Capacitors: 0.1 mF or more
• Current Fold Back Protection
• Available in XDFN4 0.8 x 0.8 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
NCP4680x
VIN
VOUT
VOUT
C1
100n
CE
GND
C2
100n
http://onsemi.com
MARKING
DIAGRAMS
SC−70
CASE 419A
XXX
XMM
XX
SOT−23−5
M
CASE 1212
1
XDFN4
CASE 711AB
XM
M
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 and shipping information in the package
dimensions section on page 17 of this data sheet.
Figure 1. Typical Application Schematic
© Semiconductor Components Industries, LLC, 2011
1
June, 2011 − Rev. 1
Publication Order Number:
NCP4680/D
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