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參數(shù)資料
| 型號： | RT9701CBL |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 100m POWER DISTRIBUTION SWITCHES |
| 中文描述： | 百米配電開關(guān) |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 306K |
| 代理商： | RT9701CBL |
RT9701
DS9701-05 October 2001
www.richtek-ic.com.tw
9
Functional Description
The RT9701 is a high-side single N-channel switch
with active-high enable input.
Input and Output
VIN (input) is the power supply connection to the
circuitry and the drain of the output MOSFET. VOUT
(output) is the source of the output MOSFET. In a
typical circuit, current flows through the switch from
VIN to VOUT toward the load. Both VOUT pins must
be short on the board and connected to the load and
so do both VIN pins but connected to the power
source.
Thermal Shutdown
Thermal shutdown shuts off the output MOSFET if
the die temperature exceeds 130°C and 20°C of
hysteresis forces the switch turning off until the die
temperature drops to 110°C.
Soft Start
In order to eliminate the upstream voltage droop
caused by the large inrush current during hot-plug
events, the “soft-start” feature effectively isolates
power supplies from such highly capacitive loads.
Under-voltage Lockout
UVLO prevents the MOSFET switch from turning on
until input voltage exceeds 1.8V (typical). If input
voltage drops below 1.8V (typical), UVLO shuts off
the MOSFET switch.
Current Limiting and Short Protection
The current limit circuit is designed to protect the
system supply, the MOSFET switch and the load
from damage caused by excessive currents. The
current limit threshold is set internally to allow a
minimum of 1.1A through the MOSFET but limits the
output current to approximately 1.5A typical. When
the output is short to ground, it will limit to a constant
current 1A until thermal shutdown or short condition
removed.
T
T
T
1 >
1 >
2 >
2 >
Thermal Shut Down Response
Time (50mS/Div)
CH1: V
CE
: 5V/Div
CH3: I
OUT
@R
L
1ohm : 500mA/Div
CH2: I
OUT
@short : 1A/Div
V
IN
= 5V
Thermal Shut Down
CH
1
CH2
CH3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9701GB | 功能描述:IC PWR SW USB 1.5A SOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 電源分配開關(guān) 系列:- 標準包裝:80 系列:- 類型:USB 開關(guān) 輸出數(shù):2 Rds（開）:135 毫歐 內(nèi)部開關(guān):是 電流限制:1.5A 輸入電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:8-MSOP-PowerPad 包裝:管件 配用:TPS2066-1EVM-296-ND - TPS2066-1EVM-296 |
| RT9701GBL | 功能描述:IC PWR SW USB 1.5A SOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 電源分配開關(guān) 系列:- 標準包裝:80 系列:- 類型:USB 開關(guān) 輸出數(shù):2 Rds（開）:135 毫歐 內(nèi)部開關(guān):是 電流限制:1.5A 輸入電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:8-MSOP-PowerPad 包裝:管件 配用:TPS2066-1EVM-296-ND - TPS2066-1EVM-296 |
| RT9701PB | 制造商:Richtek 功能描述:USB POWER SW |
| RT9701PBL | 制造商:Richtek 功能描述:USB POWER SW |
| RT9702 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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