Data sheet, Figure 13. output voltage vs. junction temperature, Figure 12. dropout voltage vs. output current – Diodes AP2121 User Manual

Page 20: Figure 14. output voltage vs. junction temperature, Figure 15. supply current vs. input voltage

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Data Sheet

20

Dec. 2012 Rev. 2. 6

BCD Semiconductor Manufacturing Limited

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2121

Typical Performance Characteristics (Continued)

Figure 13. Output Voltage vs. Junction Temperature

0

40

80

120

160

200

0.0

0.1

0.2

0.3

0.4

0.5

0.6

Dropo

ut

V

ol

tage (V

)

Output Current (mA)

AP2121-3.0

Figure 12. Dropout Voltage vs. Output Current

-25

0

25

50

75

100

125

2.90

2.92

2.94

2.96

2.98

3.00

3.02

3.04

3.06

3.08

3.10

AP2121-3.0
V

IN

=4V

I

OUT

=30mA

O

u

tput Voltage

(V

)

Junction Temperature (

o

C)

Figure 14. Output Voltage vs. Junction Temperature

-25

0

25

50

75

100

125

1.190

1.192

1.194

1.196

1.198

1.200

1.202

1.204

1.206

1.208

1.210

O

utput Voltage

(V

)

Junction Temperature (

o

C)

AP2121-1.2
V

IN

=2.2V

I

OUT

=30mA

Figure 15. Supply Current vs. Input Voltage

0

1

2

3

4

5

6

7

0

5

10

15

20

25

30

Su

p

pl

y C

u

rr

en

t (

μ

A)

Input Voltage (V)

AP2121-1.2
I

OUT

=0mA

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