Datasheet

EVAL-ADP220/ADP221
Rev. 0 | Page 3 of 8
EVALUATION BOARD HARDWARE AND SCHEMATIC
EVALUATION BOARD CONFIGURATIONS
The ADP220/ADP221 evaluation boards are supplied with
different components, depending on which version is ordered.
Components common to all versions are C1, C2, C3, J1, and
J2. Figure 2 shows the schematic of this evaluation board
configuration.
1
A
TB4
J2
J1
2
EN1
V
OUT1
= 2.8V
VOUT1
GND VIN
EN2 VOUT2
B
U1
TOP VIEW
(Not to scale)
C
V
IN
= 3.3V TO 4.2V
V
OUT2
= 2.8V
0
7575-002
TB3
TB1
TB5
C2
C1
C3
TB7
TB2
TB6
Figure 2. Evaluation Board Schematic
Table 1. Evaluation Board Hardware Components
Component Function Description
U1
1
Linear regulator ADP220/ADP221 low dropout linear regulator.
C1 Input capacitor 1 μF input bypass capacitor, 0402 case.
C2, C3 Output capacitors 2.2 μF output capacitors; 0402 case. Required for stability and transient performance.
J1, J2 Jumper These jumpers connect EN1 and EN2 to VIN for automatic startup.
1
Component varies depending on the evaluation board type ordered.