AP2121K-3.0TRE1 View Datasheet(PDF) - BCD Semiconductor
Part Name
Description
MFG CO.
'AP2121K-3.0TRE1' PDF : 21 Pages View PDF
Preliminary Datasheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
AP2121
Typical Application
VIN=2.5V
VIN
CIN
1µF
AP2121-1.5
VIN
VOUT
GND
VOUT=1.5V
VOUT
COUT
1µF
VIN=4V
VIN
CIN
1µF
AP2121-3.0
VIN
VOUT
GND
CE NC
VOUT=3V
VOUT
COUT
1µF
Note: Filter capacitors are required at the AP2121's input and output. 1µF capacitor is required at the input. The
minimum output capacitance required for stability should be more than 1µF with ESR from 0.01Ω to 100Ω.
Ceramic capacitors are recommended.
Figure 22. Typical Application of AP2121
Mar. 2007 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
18
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