R1215D

3

PIN CONFIGURATION

SON-8

8 7 6 5

1 2 3 4

5 678

4 321

∗ ∗

∗

Bottom View

Top View

PIN DESCRIPTION

Pin No

Symbol

Description

1

EXT

External FET Drive Pin (CMOS Output)

2

GND

Ground Pin

3

DTC

Pin for Setting Maximum Duty Cycle and Soft start time

4

DELAY

Pin for External Capacitor

(for Setting Output Delay of Protection)

5

Feedback Pin for monitoring Output Voltage

6

Reference Voltage Output Pin

7

AMPOUT

Amplifier Output Pin

8

Power Supply Pin for the IC

∗ Tab in the

parts have GND level. (They are connected to the reverse side of this IC.)

Do not connect to other wires or land patterns.

ABSOLUTE MAXIMUM RATINGS

(GND

=0V)

Symbol

Item

Rating

Unit

6.5

V

EXT Pin Output Voltage

V

DELAY Pin Voltage

V

V

AMPOUT Pin Voltage

V

DTC Pin Voltage

V

V

AMPOUT Pin Current

±10

mA

30

mA

EXT Pin Inductor Drive Output Current

±80

mA

Power Dissipation

480

mW

Topt

Operating Temperature Range

−40 to +85

°C

Tstg

Storage Temperature Range

−55 to +125

°C

∗1 For Power Dissipation, please refer to PACKAGE INFORMATION to be described.