BD3775AF
2ch 复位+比较器IC

BD3775AF是电源电压监视用IC,可在电源电压发生瞬时中断、瞬时降低时产生复位信号,在电源恢复正常时发生上电复位。检测电压除了用于5V电源之外,还有可进行任意电源检测设定的输入,可轻松实现2个系统的电源电压监视。此外,还内置了1个可用于过电压保护及高精度基准电压输出等的比较器,可支持复杂的应用。

Data Sheet 购买 *
* 本产品是标准级的产品。
本产品不建议使用于车载设备。

主要规格

 
型号 | BD3775AF-E2
Status | 推荐品
封装 | SOP8
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes

特性:

Under Voltage Detection Voltage [V] (typ.)

1.23

VDET Precision [%]

±1.5

Reset Active Voltage Range [V]

3.5 to 18

Output Types

Open collector comparators

Reset Delay Timer

Adjustable Delay

Reset Active State

Low

Manual Reset

No

Comment

2ch Reset & Comparator IC

Watchdog Timer

No

Auto Motive

No

Circuit Current (ON) [µA]

350

Circuit Current (OFF) [µA]

400

Hysteresis Voltage [V]

28mV

L Output Current (LowVol) [mA]

3

L Output Current (HighVol) [mA]

4

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size

5x6.2 (t=1.71)

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特点:

  • High precision voltage detection(VSA = 4.20V ± 2.5%).
  • Internal reset circuit that user selectable thresholdlevel with hysteresis (VSB = 1.230V ± 1.5%). Internal open collector output comparators to create Over Voltage Detection circuit, reference voltage generator, and more. (VSC,OUTC)
  • User selectable delay time of releasing reset signal depending on capacitor of CT node.
  • Low power dissipation (Icc = 0.35mA ,VCC = 5V).
  • SOP8 package (5.0×6.2mm, 1.27mm pitch).