S8351 datasheet(9/51 Pages) SII

9 / 51 page

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER

Rev.3.0_01

S-8351/8352 Series

Table 10 S-8351 Series D Type

(Without shutdown function, VDD / VOUT separate type)

Pin No.

Symbol

Pin Description

VOUT

Output voltage pin

VDD

IC power supply pin

NC*1

No connection

VSS

GND pin

CONT

External inductor connection pin (Open-drain output)

*1. The NC pin indicates electrically open.

Table 11 S-8352 Series D Type

(Without shutdown function, VDD / VOUT separate type)

Pin No.

Symbol

Pin Description

VOUT

Output voltage pin

VDD

IC power supply pin

NC*1

No connection

VSS

GND pin

EXT

External transistor connection pin (CMOS output)

*1. The NC pin indicates electrically open.

SOT-89-3

Top view

Figure 9

Table 12 S-8351 Series C Type

(Without shutdown function, VDD / VOUT non-separate type)

Pin No.

Symbol

Pin Description

VSS

GND pin

VOUT

Output voltage pin and IC power supply pin

CONT

External inductor connection pin (Open-drain output)

Table 13 S-8352 Series C Type

(Without shutdown function, VDD / VOUT non-separate type)

Pin No.

Symbol

Pin Description

VSS

GND pin

VOUT

Output voltage pin and IC power supply pin

EXT

External transistor connection pin (CMOS output)

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