Datasheet

EVAL-ADP121
Rev. A | Page 3 of 8
EVALUATION BOARD HARDWARE
EVALUATION BOARD CONFIGURATIONS
The EVAL-ADP121 is supplied with different components
depending on which version is ordered. Components common
to all versions are C1, C2, and J1 or J2. Figure 3 and Figure 4
show schematics for these evaluation board configurations.
1
2
3
5
4
140-00207
C2
C1
J1
V
OUT
V
IN
VOUT
NC
VIN
GND
EN
U1
Figure 3. Evaluation Board Circuit Diagram, TSOT
J2
C1
C2
V
IN
V
OUT
VIN VOUT
U1
07140-010
EN GND
Figure 4. Evaluation Board Circuit Diagram, WLCSP
Table 1. Evaluation Board Hardware Components
Component Function Description
U1
1
Linear
regulator
ADP121 low dropout linear
regulator.
C1
Input
capacitor
1 μF input bypass capacitor.
C2
Output
capacitor
1 μF output capacitor. Required for
stability and transient performance.
J1 or J2 Jumper
Jumper. Connects EN to IN for
automatic startup.
1
This component varies depending on the evaluation board type ordered.