BD3775AF
2ch 重置+比較器IC
BD3775AF
BD3775AF
2ch 重置+比較器IC
BD3775AF是電源電壓監視用IC，可在電源電壓發生暫態中斷、暫態降低時產生重置信號，在電源恢復正常時發生上電重置。檢測電壓除了用於5V電源之外，還有可進行任意電源檢測設定的輸入，可輕鬆實現2個系統的電源電壓監視。此外，還內建了1個可用於過電壓保護及高精度基準電壓輸出等的比較器，可支援複雜的應用。
Product Detail
規格:
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)
功能:
- 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).
