BD820F50EFJ-C
车载用 带看门狗计时器复位 200mA LDO稳压器

BD820F50EFJ-C是45V高耐压稳压器，内置监视其输出的复位电路(RESET)及看门狗计时器(WDT)。输出电流能力为200mA，但待机电流很小，适合用来降低系统的消耗电流。稳压器输出低于4.2V(Typ)时输出复位信号。复位延迟时间、看门狗计时器监视时间可通过外置电容器进行调整。

Data Sheet 购买
Data Sheet 购买

主要规格

 
型号 | BD820F50EFJ-CE2
Status | 推荐品
封装 | HTSOP-J8
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes
Functional Safety | FS supportive

特性：

Grade

Automotive

Common Standard

AEC-Q100 (Automotive Grade)

Breakdown Voltage(Max.)[V]

45.0

ch

1

Vin(Min.)[V]

5.9

Vin(Max.)[V]

42.0

Vout (Typ.) [V]

5

Iout(Max.)[A]

0.2

Circuit Current[mA]

0.005

Shutdown Function

Yes

Thermal Shut-down

Yes

Over Current Protection

Yes

I/O Voltage Difference (Typ.)[V]

0.40(Io=200mA)

Ripple Rejection [dB]

70.0

Load Regulation[mV]

10

Detect Voltage(VDET) [V]

4.2

Additional Feature

4.2V Reset + WDT

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

特点：

  • AEC-Q100 Qualified(Grade 1)
  • Qualified for Automotive Applications
  • Low ESR Ceramic Capacitors Applicable for Output
  • Low Dropout Voltage: PDMOS Output Transistor
  • Integrated Power On and Under-voltage Reset
  • Adjustable Reset Delay Time and Watchdog Time by External Capacitor
  • Integrated Over Current Protection (OCP)
  • Integrated Thermal Shutdown (TSD)
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设计资源

 

技术记事

Schematic Design & Verification

  • 线性稳压器的基础
  • 线性稳压器的规格
  • Reverse Voltage Protection
  • Power Source ON/OFF Characteristics for Linear Regulator
  • Simple Test Method for Estimating the Stability of Linear Regulators
  • Connecting LDOs in Parallel
  • Problem Situations: Power Supply Does Not Start
  • Power Supply Sequence Circuit with General Purpose Power Supply IC
  • Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
  • 通过频率特性分析仪FRA测试相位余量的方法
  • BAxxCC0 Series Circuit Using a Ceramic Output Capacitor
  • 功率测量中探针校正的重要性 倾斜校正篇
  • 旁路电容器的阻抗特性

Thermal Design

  • Thermal Calculation for Linear Regulator
  • 热阻、热特性参数

设计模型

2D/3D/CAD

  • HTSOP-J8 Footprint / Symbol
  • HTSOP-J8 3D STEP Data

封装和质量数据

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Contained Report