AP139-28WL-7 Diodes Inc, AP139-28WL-7 Datasheet - Page 4

• Manufacturer Part Number: AP139-28WL-7
• Description: Low Dropout (LDO) Regulators LDO CMOS 300MA 0.5V VOUT+0.5V-7.0V 2.8V
• Manufacturer: Diodes Inc

Specifications of AP139-28WL-7

• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 5.5 V
• Output Voltage: 2.8 V
• Output Type: Fixed
• Dropout Voltage (max): 0.45 V at 300 mA
• Output Current: 300 mA
• Line Regulation: 0.3 %
• Load Regulation: 1 %
• Voltage Regulation Accuracy: 2 %
• Maximum Power Dissipation: 0.25 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-25
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

Typical Application
Typical Performance Characteristics
AP139 Rev. 2
1 0 0
-10
-20
-30
-40
-50
-60
-70
-80
-90
9 0
8 0
7 0
6 0
5 0
4 0
3 0
2 0
1 0
1.0E+00
0
0
3 . 5
Iout = 100mA
IN
1.0E+01
Power Supply Rejection Ratio
V c c V s Q u i e s c e n t C u r r e n t
4
1.0E+02
BP = 1nF
Frequency (Hz)
4 . 5
BP = 20nF
BP = 10nF
1.0E+03
BP = 5nF
1uF
V c c ( V )
C1
1.0E+04
5
1.0E+05 1.0E+06
5 . 5
T A = 2 5 ℃
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10nF
C2
4 of 7
6
V
BYP
IN
1.0E+00
-10
-20
-30
-40
-50
-60
-70
-80
-90
1.6
1.4
1.2
0.8
0.6
0.4
0.2
AP139
0
GND
1
0
BP = 10nF
1.5
1.0E+01
300mA LOW-NOISE CMOS LDO
V
EN
Power Supply Rejection Ratio
OUT
1.8
V
out
1.0E+02
vs. Dropout Voltage
2
Frequency (Hz)
V
2.5
1.0E+03
out
(V)
1uF
C3
2.8
1.0E+04
©
3
Diodes Incorporated
AP139
MARCH 2007
OUT
1.0E+05 1.0E+06
Io = 300mA
Io = 200mA
Io = 100mA
3.3
100mA
10mA
1mA
3.5