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參數(shù)資料
| 型號： | R3134K16EA-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | 1.20 X 1.20 MM, HALOGEN FREE AND ROHS COMPLIANT, DFN-6 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大?。?/td> | 300K |
| 代理商： | R3134K16EA-TR |
R3134x
13
Operation of R3134xxxEC
Vref
Ra
Rb
VDD
DOUT
GND
Nch
Comparator
Delay
Circuit
Pch
Block Diagram
12
3
4
5
GND
AB
tdelay
treset
GND
Supply Voltage (VDD)
Output Voltage
(VOUT)
Detector Threshold
=Released Voltage
Minimum Operating
Voltage
VDET
VDDL
Detect
Delay Time
Output
Delay Time
Operation Diagram
Explanation of operation
Step 1. The output voltage is equal to the supply voltage (VDD).
Step 2. At Point "A", Vref
≥ VDD×Rb/(Ra+Rb) is true, as a result, the output of comparator is reversed from "L" to
"H", therefore the output voltage becomes the GND level. The voltage level of Point A means a detector
threshold voltage (VDET).
Step 3. When the supply voltage is lower than the minimum operating voltage, the operation of the output
transistor becomes indefinite.
Step 4. The output voltage is equal to the GND level.
Step 5. At Point "B", Vref
≤ VDD×Rb/(Ra+Rb) is true, as a result, the output of comparator is reversed from "H" to
"L", then the output voltage is equal to the supply voltage (VDD). The voltage level of Point B means a
released voltage (VDET).
) There is no hysteresis range between the detector threshold and the released voltage.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R3134R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| R3135 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| R3135P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| R3136 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| R3136P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
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