AP2121K-3.3TRE1 查看數據表（PDF） - BCD Semiconductor

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AP2121K-3.3TRE1

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

BCD Semiconductor 

Preliminary Datasheet

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

AP2121

Typical Performance Characteristics (Continued)

4.5

AP2121-1.5

3.5

2.5

0.05

0

-0.05

Time (40µs/Div)

Figure 16. Line Transient

(Conditions: IOUT=30mA, CIN=1µF, COUT=1µF)

6

5

4

0.05

0

-0.05

AP2121-3.0

Time (20µs/Div)

Figure 17. Line Transient

(Conditions: IOUT=30mA, CIN=1µF, COUT=1µF)

1.6

AP2121-1.5

1.5

1.4

100

50

0

Time (200µs/Div)

Figure 18. Load Transient

(Conditions: VIN=2.5V, CIN=1µF, COUT=1µF)

3.1

AP2121-3.0

3.0

2.9

200

100

0

Time (200µs/Div)

Figure 19. Load Transient

(Conditions: VIN=4V, CIN=1µF, COUT=1µF)

Mar. 2007 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

16

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