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參數(shù)資料
| 型號： | RT9199GS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator |
| 中文描述： | 成本效益，2A峰值匯/源總線終端穩(wěn)壓器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 214K |
| 代理商： | RT9199GS |
RT9199
4
DS9199-07 September 2007
www.richtek.com
Functional Pin Description
VIN
Input voltage which supplies current to the output pin. Connect this pin to a well-decoupled supply voltage. To prevent
the
input rail from dropping during large load transient, a large, low ESR capacitor is recommended to use. The capacitor
should be placed as close as possible to the VIN pin.
GND (Exposed Pad)
Common Ground. The exposed pad must be soldered to a large PCB and connected to GND for maximum power
dissipation.
VCNTL
VCNTL supplies the internal control circuitry and provides the drive voltage. The driving capability of output current is
proportioned to the VCNTL. Connect this pin to 5V bias supply to handle large output current with at lea
st 1
μ
F capacitor
from this pin to GND. An important note is that VIN should be kept lower or equal to VCNTL.
REFEN
Reference voltage input and active low shutdown control pin. Two resistors dividing down the VIN voltage on the pin to
create the regulated output voltage. Pulling the pin to ground turns off the device by an open-drain, such as 2N7002,
signal N-MOSFET.
VOUT
Regulator output. VOUT is regulated to REFEN voltage that is used to terminate the bus resistors. It is capable of sinking
and sourcing current while regulating the output rail. To maintain adequate large signal transient response, typical value
of 1000
μ
F Al electrolytic capacitor with 10
μ
F ceramic capacitors are recommended to reduce the effects of current
transients on VOUT.
Function Block Diagram
GND
VCNTL
REFEN
Current Limit
Thermal Protection
VOUT
EA
+
-
VIN
相關(guān)PDF資料 |
PDF描述 |
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| RT9199GSP | Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator |
| RT9199PS | Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator |
| RT9199PSP | Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator |
| RT9201 | High Efficiency PWM Step-Down DC-DC Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9199GSP | 功能描述:IC REG BUS TERMINATION 2A 8SOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| RT9199PSP | 制造商:Richtek Technology Corporation 功能描述: |
| RT9201 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:High Efficiency PWM Step-Down DC-DC Converter |
| RT9201GQV | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:High Efficiency PWM Step-Down DC-DC Converter |
| RT9201PQV | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:High Efficiency PWM Step-Down DC-DC Converter |
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