参数资料
| 型号： | BD3951F-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .15A 8SOP |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 6 V ~ 20 V |
| 电压 - 压降（标准）： | 0.31V @ 100mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 150mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 带卷 (TR) |
Power Management IC Series for Automotive Body Control
Regulator with Voltage Detector IC
BD3951F
No.09039EAT05
● Description
BD3951F is a 5V LDO system regulator particularly developed for automotive applications. The output current of the
regulator can be drawn up to 150mA, and it has built-in power-on reset and input voltage sense. This device can withstand
50V surge input voltage as well as wide ambient temperature operations from -40 ℃ to +125 ℃ . The adjustable reset delay
time and detection input voltage allow to meet with wide range of design requirements.
● Features
1) Micro processor power supply 5.0V, Adjustable Reset, Adjustable Comparator.
2) 5V is Pch DMOS type low drop out voltage regulator. Iomax=150mA.
3) Low ESR capacitor (Ceramic Capacitor) is available for the Output Capacitor.
4) Over Current Protection built in to prevent the destruction of IC.
5) Thermal Shut Down is built in to prevent the heat runaway.
6) VCC absolute Maximum Ratings 36V.
7) Vcc peak input voltage 50V (*1)
8) Small surface mount package SOP8.
● Applications
Automotive application (Rain Sensor and Cluster Panel etc.) and all other electronics application.
● Absolute Maximum Ratings (Ta=25 ℃ )
Parameter
Vcc Input Voltage
Out Terminal Voltage
RES Terminal Voltage
SOUT Terminal Voltage
RES Output Current
SOUT Output Current
SIN Input Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Vcc Peak Input Voltage
Symbol
Vcc
Vout
Vres
Vsout
Ires
Isout
Vsin
Pd
Topr
Tstg
Vccpeak
Limit
-0.3 ～ +36
-0.3 ～ +7
-0.3 ～ +7
-0.3 ～ +7
0.2
2.5
-0.3 ～ +36 *3
687 *2
-40 ～ +125
-55 ～ +150
50 *1
Unit
V
V
V
V
mA
mA
V
mV
℃
℃
V
*1 tr (rising time) is over 1msec, applied voltage is less than 400msec
*2 Pd is derated at 5.5mW/ ℃ for temperature above Ta=25 ℃ , mounted on 70mm×70mm×1.6mm PCB.
*3 Input current from Vcc to SIN PIN has to be equal and less than 5mA when Vcc voltage is less than SIN PIN voltage.
● Operating Conditions (Ta=-40 ℃～ +125 ℃ )
Parameter
Symbol
Min.
Limit
Typ.
Max.
Unit
Recommended Supply Voltage
*4
Vcc
6.0
13.5
20
V
Operatinal Supply Voltage *5
Reset Adjustable Range
Reset Delay Time Controllable Range
Vcc Detection Adjustable Range
Vcc
Vdet
Cct
Vcc
5.5
4
-
5
13.5
-
-
-
36
4.7
10
-
V
V
μ F
V
*4
*5
The range within test condition of the electrical characteristics.
The range exceeding the test condition of the electrical characteristics.
www.rohm.com
? 2009 ROHM Co., Ltd. All rights reserved.
1/9
2009.07 - Rev.A
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