Data sheet, Typical performance characteristics (continued) – Diodes AP2129 User Manual

Page 11

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300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR AP2129

Data Sheet

11

BCD Semiconductor Manufacturing Limited

Sep. 2012 Rev. 1. 6

Typical Performance Characteristics (Continued)

Figure 17. Soft Start Time

(Conditions: I

OUT

=0mA, C

IN

=C

OUT

=1

μF,

V

Shutdown

=0 to 2V, V

OUT

=3.3V)

V

OUT

Figure 16. Line Transient

(Conditions: I

OUT

=30mA, C

IN

=C

OUT

=1

μF,

V

IN

=4 to 5V, V

OUT

=3.3V)

V

IN

V

OUT

V

Shutdown

Figure 18. Soft Start Time

(Conditions: I

OUT

=0mA, C

IN

=C

OUT

=1

μF,

V

Shutdown

=0 to 2V, V

OUT

=0.8V)

V

OUT

V

Shutdown

Figure 19. PSRR vs. Frequency

100

1000

10000

100000

0

10

20

30

40

50

60

70

80

90

100

PS

R

R

(d

B)

Frequency (Hz)

I

OUT

=10mA

I

OUT

=300mA

ripple=1Vpp, C

OUT

=1

μ

F, V

OUT

=0.8V

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