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带看门狗计时器复位 550mA LDO稳压器_BD4271FP2-C

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。

型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD4271FP2-CE2 供应中 TO263-7 500 500 Taping Yes
 
特性:
Grade Automotive
ch 1
Vin(Min.)[V] 5.5
Vin(Max.)[V] 45.0
Vout (Typ.) [V] 5
Vout Precision ±2.0%
Iout(Max.)[A] 0.55
Circuit Current[mA] 0.075
Shutdown Function No
Thermal Shut-down Yes
Over Current Protection Yes
Under Voltage Lock Out Yes
I/O Voltage Difference (Typ.)[V] 0.2(Io=300mA)
Ripple Rejection [dB] 60.0
Load Regulation[mV] 10
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 150
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)
 
 
技术信息
Application Note

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Reverse Voltage Protection

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Power Source ON/OFF Characteristics for Linear Regulator

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Simple Test Method for Estimating the Stability of Linear Regulators

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Thermal Calculation for Linear Regulator

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Thermal Resistance

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Basics of Linear Regulators

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Linear Regulator Specifications

Application Note

BAxxCC0 Series Circuit Using a Ceramic Output Capacitor