BD3021HFP-M_10 Datasheet, PDF (1/15 Pages) Rohm – Regulator with Voltage Detector and Watchdog Timer

Power Management ICs for Automotive Body Control
Regulator with
Voltage Detector and Watchdog Timer
BD3021HFP-M
No.10039EAT10
●Description
BD3021HFP-M is a regulator IC with integrated WDT (Watch Dog Timer), high output voltage accuracy ±2.0% and 80µA
(Typ.) low circuit current consumption. BD3021HFP-M supports usage of low ESR ceramic capacitor for output stability.
BD3021HFP-M can be a stable power supply for any applications while detecting malfunction of microcontrollers.
●Features
1) WDT Can be Switched ON/OFF by Using INH Pin
2) Low Circuit Current: 80µA(Typ.)
3) Output Circuit: Pch DMOS
4) High Output Voltage Accuracy: 5V±2%
5) Supports Low ESR Ceramic Capacitor
6) Vcc Max Voltage: 50V
7) Integrated Over Current Protection and Thermal Shut Down
8) HRP7 packaging
●Applications
Any application using a microcontroller or a DSP such as automotive (body control), display, server, DVD, phone, etc…
●Absolute maximum ratings (Ta=25℃)
Parameter
Symbol
Ratings
Unit
Supply Voltage
*1
Vcc
-0.3 ~ +50
V
INH pin voltage
VINH
-0.3 ~ +15
V
Regulator output pin voltage
VOUT
-0.3 ~ +15
V
Reset output pin voltage
VRESET
-0.3 ~ +15
V
Watchdog input pin voltage
VCLK
-0.3 ~ +15
V
Reset delay setting pin voltage
VCT
-0.3 ~ +15
V
Power dissipation
*2
Pd
1.6
W
Operating temperature range
Topr
-40 ~ +125
℃
Storage temperature range
Tstg
-55 ~ +150
℃
Maximum junction temperature
Tjmax
150
℃
*1 Not to exceed Pd.
*2 Reduced by 12.8W / °C over Ta = 25°C, when mounted on glass epoxy board: 70mm×70mm×1.6mm.
●Operating conditions (Ta=-40~125°C)
Parameter
Symbol
Min
Max
Unit
Supply Voltage
*3
Vcc
5.6
36.0
V
Output Current
Io
0
500
mA
*3 For the output voltage, consider the voltage drop (dropout voltage) due to the output current.
NOTE: This product is not designed for protection against radioactive rays.
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2010.11 - Rev.A