BD3775AF
1.23V, Adjustable Delay, High Accuracy, 2ch Reset & Comparator IC

BD3775AF is designed to monitor the voltage level of one or two power supplies (+5V and an arbitrary voltage) in a microprocessor circuit, memory board in large-size computer, for example. If the circuit’s power supply deviates more than a specified amount, then the BD3775AF generates a reset signal to the microprocessor. Also, the BD3775AF has a comparator for the over voltage protection and the high-precision reference voltage and so on apart from the above features. It is also available for more complex applications so.

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Product Detail

 
Part Number | BD3775AF-E2
Status | Recommended
Package | SOP8
Packing Type | Taping
Unit Quantity | 2500
Minimum Package Quantity | 2500
RoHS | Yes
Product Longevity Program | 10 Years

Specifications:

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

Comment

2ch Reset & Comparator IC

Manual Reset

No

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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Features:

  • 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).
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