參數(shù)資料
型號(hào): RV5VE002A-E1
廠商: RICOH COMPANY LTD
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO16
封裝: 0.65 MM PITCH, SSOP-16
文件頁(yè)數(shù): 2/55頁(yè)
文件大?。?/td> 386K
代理商: RV5VE002A-E1
6
Current Source
Extermal Capacitor
RD
GND
VDD
RESET
VSEN2
CD
Vref
+
5. Main Power Source Control (in the case of Optional Mask Version)
This IC includes built-in Edge Trigger Flip-Flop (Rise Edge Operation) and AND Gate, so that Main Power
Source of any instruments can be turned ON/OFF by “AND” of Toggle Input and Level Input.
Edge Trigger Flip-Flop is reset by One Shot Pulse Generator when Voltage Detector 1 or 2 detects the lowering
of the voltage. This Flip-Flop can be continuously reset during the detection.
R
×5VE0×××
Formula for calculating Reset Delay Time is
tD = 0.69
× RD× CD
wherein RD is the resistance of a built-in resistor and can be set at 1M
in IC, so that the above formula is:
tD = 0.69
× 106× CD
Voltage Detector with Delay Circuit is constructed as shown below.
Block Diagram of Voltage Detector with delay Circuit.
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