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NCP5661 Datasheet(PDF) 1 Page - ON Semiconductor

Part No. NCP5661
Description  Low Output Voltage,Ultra-Fast 1.0 A Low Dropout Linear Regulator with Enable
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP5661 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2005
July, 2005 − Rev. 3
1
Publication Order Number:
NCP5661/D
NCP5661
Low Output Voltage,
Ultra−Fast 1.0 A Low Dropout
Linear Regulator with Enable
The NCP5661 is a high performance, low dropout linear regulator
designed for high power applications that require up to 1.0 A current.
It is offered in both fixed and adjustable output versions. With output
voltages as low as 0.9 V and ultra−fast response times for load
transients, the NCP5661 also provides additional features such as
Enable and Error Flag (for the fixed output version), increasing the
utility of this device. A thermally robust, 5 pin DPAK, combined with
an architecture that offers low ground current (independent of load),
provides for a superior high−current LDO solution.
Features
Ultra−Fast Transient Response (Settling Time: 1−3 ms)
Low Noise Without Bypass Capacitor (26 mVrms)
Low Ground Current Independent of Load (3.0 mA Maximum)
Fixed/Adjustable Output Voltage Versions
Enable Function
Error Flag (Fixed Output Version)
Current Limit Protection
Thermal Protection
0.9 V Reference Voltage for Ultra−Low Output Operation
Power Supply Rejection Ratio > 65 dB
These are Pb−Free Devices
Applications
Servers
ASIC Power Supplies
Post Regulation for Power Supplies
Constant Current Source
Networking Equipment
Gaming and STB Modules
DPAK−5
CENTER LEAD CROP
CASE 175AA
1
5
MARKING
DIAGRAM
http://onsemi.com
MARKING
DIAGRAM
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
ORDERING INFORMATION
661xG
ALYWW
x
= A for Adjustable Version
B for Fixed 1.2 V
C for Fixed 3.3 V
A
= Assembly Location
L
= Wafer Lot
Y
= Year
WW = Work Week
G
= Pb−Free
Tab = Ground
Pin:
1. Enable
2. Vin
3. Ground
4. Vout
5. Adj (Adjustable Output)
5. Error Flag (Fixed Output)


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