Analog Devices ADP170 Evaluation Board ADP170-1.8-EVALZ ADP170-1.8-EVALZ Fiche De Données
Codes de produits
ADP170-1.8-EVALZ
EVAL-ADP170/ADP171
Rev. 0 | Page 3 of 8
EVALUATION BOARD HARDWARE AND SCHEMATICS
EVALUATION BOARD CONFIGURATIONS
The ADP170/ADP171 evaluation boards come supplied with
different components, depending on which version is ordered.
Components common to all versions are C1 through C6 and J1.
The J2, R1, and R2 components are populated on the adjustable
ADP171 version only; these components are not populated on
the ADP170. C1, C3, and C4 are input capacitors, and C2, C5,
and C6 are output capacitors. These capacitors have different
size footprints to facilitate evaluating the regulator using a
wide variety of components. Figure 2 shows the schematic of
ADP170 evaluation board configuration. Figure 3 shows the
schematic of ADP171 evaluation board configuration.
different components, depending on which version is ordered.
Components common to all versions are C1 through C6 and J1.
The J2, R1, and R2 components are populated on the adjustable
ADP171 version only; these components are not populated on
the ADP170. C1, C3, and C4 are input capacitors, and C2, C5,
and C6 are output capacitors. These capacitors have different
size footprints to facilitate evaluating the regulator using a
wide variety of components. Figure 2 shows the schematic of
ADP170 evaluation board configuration. Figure 3 shows the
schematic of ADP171 evaluation board configuration.
07
72
3-
0
02
ADP170
U1
1
2
3
5
4
V
IN
= 2.3V
V
OUT
= 1.8V
VIN
GND
EN
VOUT
NC
J1
C1 C3 C4
C2 C5 C6
Figure 2. ADP170 Evaluation Board Schematic
07
72
3-
00
3
1
2
3
5
4
V
IN
= 2.3V
V
OUT
= 0.5V(1 + R1/R2)
C1 C3 C4
C2 C5 C6
VIN
GND
EN
VOUT
R1
R2
ADJ
J1
J2
ADP171
U1
Figure 3. ADP171 Evaluation Board Schematic
Table 1. Evaluation Board Hardware Components
Component Function
Description
U1
Linear regulator
ADP170/ADP171 low dropout linear regulator.
C1
0805 size input capacitor
Not populated.
C2
0402 size output capacitor
Not populated.
C3
0603 size input capacitor
1 μF input bypass capacitor.
C4
0402 size input capacitor
Not populated.
C5
0603 size output capacitor
1 μF output capacitor. Required for stability and transient performance.
C6
0805 size input capacitor
Not populated.
J1
Jumper
Jumper. Connects EN to VIN for automatic startup.
J2
Jumper
Jumper. Connects the VOUT to the resistor feedback network.
TP1
Test point
Test point closest to VIN pin.
TP2
Test point
Test point closest to VOUT pin.
1
Component depends on the evaluation board type ordered.