R5104V

3

SELECTION GUIDE

The selection can be made with designating the part number as shown below:

↑ ↑ ↑ ↑ ↑

a b

c d e

Code

Contents

a

Designation of Package Type;

V: SSOP-10 (3.1mm

×6.4mm)

b

Serial Number for Voltage setting combination from 001

c

Alphabetical Code for Mask Versions (Power-down mode)

A: Watchdog timer off type

B: Standby mode type

d

Designation of Taping TypeE2 is described as standard.

e

Designation of composition of Pin Plating.

-F: Lead free Plating

PIN CONFIGURATION

SSOP-10

1

2

3

4

5

10

9

8

7

6

PIN DESCRIPTIONS

Pin No

Symbol

Pin Description

1

Power supply Pin Clock

2

Sense Pin for Current Limit of VR.

Monitoring the dropout voltage generated at an external resistor

between pin 1 and pin 2, if the dropout exceeds 0.3V (Typ.),

the current limit works.

3

Output Pin for Voltage Regulator

4

EXT

External Transistor Drive Pin

5

RESET

Output Pin for Reset signal of Watchdog timer and Voltage Detector.

(Output Type is Nch Open Drain, Output “L” at detecting Detector

Threshold and Watchdog Timer Reset.)

6

SCK

Clock Input Pin from Microprocessor

7

External Capacitor Pin for Setting Reset and Watchdog Timeout

Periods

8

External Capacitor Pin for Setting Delay Time of Voltage Detector

9

CE

Control Switch Pin for halting Watchdog timer (A version),

or Chip Enable Pin (B version)

10

GND

Ground Pin