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REV.: 0/2017

P-2

Reference Design

R-REF02-78S

Overload Capability Graph

Input Voltage [V]

0.65

0

20

40

60

80

100

120

150

140

1.3

1.85

1.2

1.8

3.15

2.4

peak current

continuous current

Quick Start Guide

• Insert the AA battery into the battery holder (only one way possible).

• The output voltage is accessed via J1.

• To set the R-78S into sleep mode, short both pins of J2 (CTRL to GND).

Component Placement

Component List

Part

Description

BAT1

AA battery holder

U1

R-78S3.3-0.1

J1

2 pin 0.100” (2.54mm) header for VOUT and GND

J2

2 pin 0.100” (2.54mm) header for CTRL and GND

BAT1

VOUT GND

GND

CTRL

J2

J1

U1