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參數(shù)資料
| 型號(hào)： | STSR2PMCD |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | FORWARD SYNCHRONOUS RECTIFIERS SMART DRIVER |
| 中文描述： | 遠(yuǎn)期智能顯示驅(qū)動(dòng)同步整流器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 296K |
| 代理商： | STSR2PMCD |
STSR2P/STSR2PM
3/12
PIN DESCRIPTION
Pin N°
Symbol
Name and Function
1
OUT
GATE1
Gate Drive signal for Rectifier MOSFET. Anticipation (t
ANT1
) in turning off
OUT
GATE1
is provided when the clock input goes to low level.
The supply voltage range from 4.5V to 5.5V allows applications with logic gate
threshold mosfets. UVLO feature guarantees proper start-up while it avoids
undesirable driving during eventual dropping of the supply voltage.
The voltage on this pin sets the anticipation (t
ANT1
) in turning off the OUT
GATE2
. It
is possible to choose among three different anticipation times by discrete
partitioning of the supply voltage.
This input provides synchronization for IC’s operations, being the transitions
between the two output conditions based on a positive threshold, equal for the
two slopes. A smart internal control logic mechanism using a 15MHz internal
oscillator generates proper anticipation timing at the turn-off of each output. This
feature allows safe turn-off of Synchronous Rectifiers avoiding any eventual
shoot-through situation on secondary side at both transitions. Smart clock
revelation mechanism makes these operations independent by false triggering
pulses generated in light load conditions and by particular demagnetization
techniques.Absolute maximum voltage rating of the pin can be exceeded limiting
the current flowing into the pin to 10mA max.
This input enables OUT
GATE2
to work when its voltage is lower than the negative
threshold voltage (V
INHIBIT
<V
H
). If V
INHIBIT
>V
H
the OUT
GATE2
will be high for a
minimum conduction time (t
ON(GATE2)
). In typical forward converter application, it
is possible to turn off the freewheeling MOSFET when the current through it tends
to reverse, allowing discontinuous conduction mode and providing protection to
the converter from eventual sinking current from the load.Absolute maximum
voltage rating of the pin can be exceeded limiting the current flowing into the pin
to 10mA max.
Reference for all the control logic signals. This pin is completely separated from
the PWRGND to prevent eventual disturbances to affect the control logic.
Gate Drive signal for Freewheeling MOSFET. Anticipation [t
ANT2
] in turning off
OUT
GATE2
is provided when the clock input goes to high level.
Reference for power signals, this pin carries the full peak currents for the two
outputs.
2
V
CC
3
SET
ANT2
4
CK
5
INHIBIT
6
SGLGND
7
OUT
GATE2
8
PWRGND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STSR2PMCD-TR | 功能描述:DC/DC 開關(guān)控制器 Smart Driver RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| STSR3 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SYNCHRONOUS RECTIFIERS SMART DRIVER FOR FLYBACK |
| STSR30 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SYNCHRONOUS RECTIFIER SMART DRIVER FOR FLYBACK |
| STSR30D | 功能描述:DC/DC 開關(guān)控制器 Smart Driver RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| STSR30D-TR | 功能描述:DC/DC 開關(guān)控制器 Smart Driver RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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