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參數(shù)資料
| 型號： | R3133QXXEX |
| 英文描述： | Power Management ICs |
| 中文描述： | 電源管理IC |
| 文件頁數(shù)： | 8/19頁 |
| 文件大?。?/td> | 257K |
| 代理商： | R3133QXXEX |
Rev. 1.10 8
I
OPERATION
G
Operation of R3132Q Series
Vref
Delay
Circuit
V
DD
GND
OUT
+
-
Ra
Rb
Comparator
Nch
Pch
CMOS Output Type
OUT pin is connected to the
drain of Nch Tr. and Pch Tr.
in this IC.
Nch Open Drain Output Type
OUT pin is connected to the
drainf of Nch Tr. in this IC.
(OUT pin should be pulled up
to V
DD
or an external voltage
level.)
Block Diagram
Minimum Operating Voltage
(V
DDL
)
GND
Output
Voltage
(OUT)
Supply
Voltage
(V
DD
)
Detector Threshold(V
DET
)
=Released Voltage
A
B
t
DELAY
GND
x
y
z
{
|
Operating Diagram
In the above diagram,
x
Output voltage becomes equal to supply voltage (Nch open drain output type; equal to pull-up Voltage).
y
When the supply voltage is down to the detector threshold level (Point A), Vref
≥
V
DD
×
Rb / ( Ra+Rb ) is true. Then, the
output of the comparator is reversed, thus output voltage becomes equal to GND level.
z
When the supply voltage is lower than minimum operating voltage, the output of transistor is indefinite, therefore the
output is also indefinite.
{
Output voltage is equal to GND level.
|
When the supply voltage is higher than the released voltage (Point B), Vref
≤
V
DD
×
Rb / ( Ra+Rb ) is true. Then the
output of the comparator is reversed, thus the output voltage becomes equal to the supply voltage ( Nch open drain output
type; equal to pull-up voltage).
*There is no hysteresis range between the detector threshold and the released voltage.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| R3134 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| 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 |
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