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Diodes AP2127 Uživatelský manuál

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AP2127
Document number: DS36478 Rev. 3 - 2
1 of 27
www.diodes.com
January 2014
© Diodes Incorporated
A
P2127
A
Product Line o
f
Diodes Incorporated
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Description
The AP2127 Series are positive voltage regulator ICs fabricated by
CMOS process.
The AP2127 Series have features of low dropout voltage, low noise,
high output voltage accuracy, and low current consumption which
make them ideal for use in various battery-powered devices.
AP2127 has 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.2V,
4.75V, 5.2V fixed voltage versions and 0.8V to 5.5V adjustable
voltage versions.
AP2127 Series are available in SOT-23 (for fixed versions only),
SOT-23-3 (for fixed versions only), SOT-23-5, SOT-89 (for fixed
versions only) and DFN-2x2-6 packages.
Applications
• Datacom
• Notebook Computers
• Mother Board
Features
• Wide Operating Voltage: 2.5V to 6V
• High Output Voltage Accuracy: ±2%
• High Ripple Rejection:
68dB @ f = 1kHz, 54dB @ f = 10kHz
• Low Standby Current: 0.1μA
• Low Dropout Voltage: 170mV @ 300mA for V
OUT
= 3.3V, 140mV
@ 300mA for V
OUT
= 5.2V
• Low Quiescent Current: 60μA Typical
• Low Output Noise: 60μV
RMS
@V
OUT
= 0.8V
• Short Current Limit: 50mA
• Over Temperature Protection
• Compatible with Low ESR Ceramic Capacitor:
1μF for C
IN
and C
OUT
• Excellent Line/Load Regulation
• Soft Start Time: 50μs
• Auto Discharge Resistance: R
DS(ON)
= 60Ω
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Pin Assignments
(Top View) (Top View)
(SOT-23/SOT-23-3/ N/N3 Package) (SOT-23-5/ K Package)
(Top View) (Top View) (Top View)
(SOT-89 Option 1/ R Package) (SOT-89 Option 2/ R Package) (DFN-2x2-6/ DN Package)
3
2
1
V
IN
V
OUT
GND
1
2
3
4
5
V
IN
GND
V
OUT
Shutdown
NC/ADJ
123
GND
V
IN
V
OUT
1
2
3
GND
V
IN
V
OUT
P in 1 Mark
1
2
34
5
6
V
OUT
NC
NC
EN
GND
V
IN
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Shrnutí obsahu

Strany 1 - © Diodes Incorporated

AP2127 Document number: DS36478 Rev. 3 - 2 1 of 27 www.diodes.com January 2014© Diodes Incorporated AP2127A Product Line ofDiodes Incorporated300mA

Strany 2 - Typical Applications Circuit

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Strany 3

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Strany 5 - Electrical Characteristics (V

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Strany 11

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Strany 12 - Adjustable Operation

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Strany 13 - Thermal Consideration

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Strany 14 - Ordering Information

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Strany 15 - Ordering Information (cont.)

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Strany 26

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Strany 27 - Diodes Incorporated

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