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參數(shù)資料
| 型號： | RT9224CS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 5-Bit Programmable Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| 中文描述： | 5位可編程同步控制器的PWM降壓轉換器和輸出電壓監(jiān)視器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 210K |
| 代理商： | RT9224CS |
RT9224
4
DS9224-05 March 2004
www.richtek.com
Functional Pin Description
Pin No. Pin Name
Pin Function
1
VSEN
Output voltage monitoring input for OVP & PGOOD
2
OCSET
Over current set pin, sinks 200μA through a resistor (R
OCS
) from this pin to upper
N-MOSFET to set the trip point:
OCS
PEAK
I
200uA R
=
MOSFET -on resistance
An over-current trip cycles the soft-start function
3
SS
Soft start speed is set by internal 10μA current source and capacitor from this pin to GND
4
VID0
Switching Regulator Output Voltage Setting
5
VID1
Switching Regulator Output Voltage Setting
6
VID2
Switching Regulator Output Voltage Setting
7
VID3
Switching Regulator Output Voltage Setting
8
VID4
Switching Regulator Output Voltage Setting
9
NC
No Connection
10
FB
Feedback input pin for the PWM Loop
11
GND
IC Signal Ground
Open Drain Logic Output
This pin is pulled low when the converter output is not within ±10% of the DACOUT
reference voltage
12
PGOOD
13
PHASE
Current Limit Sense Input
14
UGATE
High Side Driver Output
15
BOOT
Driver Power
16
PGND
Low Side Driver GND
17
LGATE
Low Side Driver Output
18
VCC
Power Supply Input
Over Voltage Protection
This pin is pulled high when the VSEN voltage is over 15% of the DACOUT reference
voltage
19
OVP
20
NC
No Connection
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相關代理商/技術參數(shù) |
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|---|---|
| RT9224E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| RT9224EC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| RT9224ECS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| RT9224EP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| RT9224EPS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
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