延遲時間固定型電壓檢測器 - BU45K474G
ROHM的BU45xxxxx、BU46xxxxx系列，是採用了CMOS製程的高精度、低耗電流的RESET IC系列。通過內建計數器定時器延遲電路，無需外接延遲時間設定用電容。為保證客戶可根據應用進行選擇，備有Nch漏極開路輸出BU45xxxxx和CMOS輸出BU46xxxxx兩個系列的產品。檢測電壓可在2.3V～4.8V之間按0.1V階躍選擇，固定延遲時間可按200ms、400ms進行選擇。
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規格:
Under Voltage Detection Voltage [V] (typ.)
4.7
VDET Precision [%]
±1
Reset Active Voltage Range [V]
0.6 to 6
Output Types
Open drain
Reset Delay Timer
Fixed Delay (400msec)
Reset Active State
Low
Manual Reset
No
Watchdog Timer
No
Auto Motive
No
Circuit Current (ON) [µA]
2.3
Circuit Current (OFF) [µA]
2.8
Hysteresis Voltage [V]
VDET x 0.05
"L" Output Current (LowVol) [mA]
2
"L" Output Current (HighVol) [mA]
8.5
Comment
1pin GND (PIN rotated)
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size
2.92 x 2.80 (t=1.25)
功能:
・ Counter Timer Built-in・ No delay time setting capacitor required
・ Low current consumption
・ Two output types (Nch open drain and CMOS output)
・ Package SSOP3 is similar to SOT-23-3 (JEDEC)