Datasheet > BD820F50EFJ-C

BD820F50EFJ-C

更新时间： 2023-09-03 20:25:15

品牌	Logo	应用领域
罗姆 - ROHM		复位电路电容器稳压器
页数	文件大小	规格书
41页	1259K
描述
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。We recommend BD820F5UEFJ-C for your new development. It uses different production lines for the purpose of improving production efficiency. Electric characteristics noted in Datasheet does not differ between Production Line.

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BD820F50EFJ-C 数据手册

BD820F50EFJ-C BD820F5UEFJ-C

Operating Conditions

Parameter

Symbol

Min

Typ

Max

Unit

Input Voltage^{(Note 1)}

V_IN

V_{IN START-UP}

I_O

5.9^{(Note 2)}

42.0

Start-up Voltage^{(Note 3)}

Output Current

3.0

200

µF

Ω

Input Capacitor

C_IN

0.1

Output Capacitor

C_O

1000

Output Capacitor Equivalent Series Resistance

CT Capacitor

ESR (C_O)

C_CT

0.1

0.047

5.1

-40

µF

kΩ

°C

RO Pull-up Resister

R_RO

Operating Temperature

+125

(Note 1) Do not exceed Tjmax.

(Note 2) This voltage is the minimum input voltage that can operate with the maximum output current, e.g.) Io = 200 mA. If the actual required output current is

smaller than 200 mA, the minimum input voltage can be also eased as lower. In this case, the dropout voltage should be considered depending on the

output current value.

(Note 3) This voltage is the minimum input voltage to be able to start operating an internal circuit of IC. However, in the case of the input voltage becomes lower

than “the output voltage + the dropout voltage”, the output voltage becomes V_CC-ΔVd, because Low dropout regulator can’t regulate as of the output

voltage which is higher than the input voltage.

.www.rohm.com

TSZ22111 • 15 • 001

TSZ02201-0JAJ0AN00020-1-2

9.Nov.2021 Rev.002

8/38

1...5 6 789 10 11...41

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