BD3021HFP-M Ver la hoja de datos (PDF) - ROHM Semiconductor

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BD3021HFP-M

Regulator with Voltage Detector and Watchdog Timer

ROHM Semiconductor 

BD3021HFP-M

●Block diagrams

Technical Note

VREF_R

Vcc

TSD

VREF

PREREG

OCP

edge

CLK

Vcc

ON/OFF

Circuit

VREF_R

INH

Vcc

GND

VOUT

RESET

WDT

CT

VthL

VthH

Fig.13

Pin No.

1

2

3

4

5

6

7

Fin

Pin Name

CLK

INH

Vcc

GND

VOUT

RESET

CT

GND

Function

Clock Input from Microcontroller

WDT ON/OFF Function Pin

Power Supply Pin

GND

Voltage Output Pin

Reset Output Pin

External Capacitance for Reset Output Delay Time,

WDT Monitor Time Setting Connection Pin

GND

●TOP VIEW (Package dimension)

HRP7

9.395±0.125

(MAX 9.745 include BURR)

8.82±0.1

(6.5)

1.905±0.1

0.8875 1 2 3 4 5 6 7

0.73±0.1

1.27

0.08 S

4.5°

+5.5°

−4.5°

+0.1

0.27 -0.05

S

(Unit : mm)

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© 2010 ROHM Co., Ltd. All rights reserved.

5/14

2010.11 - Rev.A

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