BD3004HFP データシートの表示（PDF） - ROHM Semiconductor

部品番号

コンポーネント説明

一致するリスト

BD3004HFP

Regulators with Voltage Detector and Watchdog Timer

ROHM Semiconductor 

zBlock diagram

Vcc

3

Cin

Pre Reg

Reverse Polarity Protection

Vref

OUT

Vs

（BD3004HFP）

2

INH

（BD3005HFP）

2

TSD

OCP

OUT

OUT

OUT

5

Co

HRP7

FIN

Signal from

CLK

microcontroller

1

GND

4

FIN

zPin descriptions

Pin. No

Pin name

1

CLK

Vs(BD3004HFP)

2

INH(BD3005HFP)

3

Vcc

4

GND

5

OUT

6

RESET

7

CT

FIN

GND

WDT

6 RESET

12 3 45 67

CT

7

CT

Cin: 0.33 µF to 1000 µF

Co: 0.1 µF to 1000 µF

CT: 0.001 µF to 22 µF

Fig.13

Function

Clock input from microcontroller

Reset detection voltage adjustment function pin

WDT on/off function pin (WDT off when INH = high; WDT on when INH = low)

Power supply pin

GND pin

Voltage output pin

Reset output pin

Reset output delay time, WDT monitor time setting external capacitance connection pin

GND pin

zI/O Circuit diagram

CLK (1 pin)

Vcc

PREREG

Vs(2 pin)

Vcc

PREREG

INH (2 pin)

Vcc

PREREG

CLK

100KΩ

3.56MΩ

Vs

100KΩ

1.56MΩ

INH

100KΩ

OUT (5 pin)

Vcc

OUT

Rb

Ra

RESET

RESET (6 pin)

OUT

OUT

470KΩ

CT (7 pin)

OUT

OUT

CT

Fig.14

4/8

* All resistance values are typical ones.

Share Link: