ap2121ak-3.3tre1 BCD Semiconductor Manufacturing Limited, ap2121ak-3.3tre1 Datasheet - Page 19

• Manufacturer Part Number: ap2121ak-3.3tre1
• Description: High Speed, Extremely Low Noise Ldo Regulator
• Manufacturer: BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)
May 2008 Rev. 2. 0
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
100
90
80
70
60
50
40
30
20
10
0
10
Figure 20. PSRR vs. Frequency
100
Frequency (Hz)
1k
AP2121-1.2
V
I
C
10k
OUT
IN
IN
=2.2V
=C
=30mA
OUT
=1
µ
F
100k
19
100
90
80
70
60
50
40
30
20
10
0
10
BCD Semiconductor Manufacturing Limited
Figure 21. PSRR vs. Frequency
100
Frequency (Hz)
1k
AP2121-3.0
V
I
C
OUT
IN
IN
Data Sheet
=4V
10k
=C
=30mA
AP2121
OUT
=1
µ
F
100k