www.recom-power.com
REV.: 0/2017
PA-3
R-78S3.3-0.1-EVM-1
Evaluation Module
Series
R-78S Evaluation Module User Guide
Figure 2: Component placement
Component List and Functions
Part
Description
Setting
BAT1
AA battery holder
J1
3 pin 0.100” (2.54mm) header for VEXT and VBAT
Factory set to on-board battery
J2*
2 pin 0.100” (2.54mm) header for VBAT and GND
Leave open if not used
J3
2 pin 0.100” (2.54mm) header for VEXT and GND
Leave open if not used
J4
2 pin 0.100” (2.54mm) header for Input Current
Leave closed if not used
J5
2 pin 0.100” (2.54mm) header for Output Current
Leave closed if not used
J6
2 pin 0.100” (2.54mm) header for CTRL (Enable) and GND
Leave open if not used
J7
2 pin 0.100” (2.54mm) header for VOUT and GND
Leave open if not used
J8
2 pin 0.100” (2.54mm) header for USB D+ and D-
Leave open if not used
S1
Slide switch
Factory set OFF
CON1
USB micro B connector
U1
R-78S3.3-0.1 boost converter
*CAUTION:
*CAUTION:
*CAUTION:
*CAUTION: DO NOT PLACE A JUMPER ON J2. DOING SO WILL CAUSE THE BATTERY TO SHORT
CIRCUIT AND CREATE THE RISK OF FIRE
