Diodes AP2127 Manuel d'utilisateur

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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)
= 60
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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Résumé du contenu

Page 1 - © Diodes Incorporated

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Page 2 - Typical Applications Circuit

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Page 5 - Electrical Characteristics (V

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Page 12 - Adjustable Operation

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Page 13 - Thermal Consideration

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Page 14 - Ordering Information

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Page 15 - Ordering Information (cont.)

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Page 27 - Diodes Incorporated

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