BD4271FP2-C
带看门狗计时器复位 550mA LDO稳压器

BD4271FP2-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550mA,但待机电流很低,适合用来降低系统的消耗电流。有对输出进行ON/OFF的CTL引脚,将CTL设为L可关闭输出,且能减少电流消耗。稳压器输出低于4.65V(Typ)时输出复位信号。复位信号的复位延迟时间、看门狗计时器监视时间可通过外接电容器进行调整。

主要规格

 
型号 | BD4271FP2-CE2
Status | 推荐品
封装 | TO263-7
包装形态 | Taping
包装数量 | 500
最小独立包装数量 | 500
RoHS | Yes

功能安全:

类别 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.

特性:

ch

1

Vin(Min.)[V]

5.5

Vin(Max.)[V]

45

Iout(Max.)[A]

0.55

Vout Accuracy

±2.0%

Circuit Current[mA]

0.075

Dropout Voltage (Typ.)[V]

0.2(Io=300mA)

Ripple Rejection [dB]

60

Load Regulation[mV]

10

Shutdown Function

Yes

Thermal Shut-down

Yes

Over Current Protection

Yes

Under Voltage Lock Out

Yes

Discharge Function

Yes

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

150

Common Standard

AEC-Q100 (Automotive Grade)

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特点:

  • AEC-Q100 qualified
  • Low ESR ceramic capacitors applicable for output
  • Low drop voltage: PDMOS output transistor
  • Power on and under-voltage reset
  • Programmable reset delay and watchdog time by external capacitor
  • Enable input
  • Over Current Protection (OCP)
  • Thermal Shut Down (TSD)
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