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參數(shù)資料
| 型號： | RT9224CCS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | VOLT DETECT IC N-CH OD 2.2V TO92 |
| 中文描述： | VRM電源9.0同步PWM降壓轉(zhuǎn)換控制器和輸出電壓監(jiān)視器 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 210K |
| 代理商： | RT9224CCS |
RT9224
6
DS9224-05 March 2004
www.richtek.com
Absolute Maximum Ratings
Supply Voltage ------------------------------------------------------------------------------------------------------- +15V
Boot Voltage ---------------------------------------------------------------------------------------------------------- +15V
Input, Output or I/O Voltage --------------------------------------------------------------------------------------- GND -0.3V to Vcc + 0.3V
Storage Temperature Range ---------------------------------------------------------------------------------------
65°C to 150°C
Package Thermal Resistance
SOP-20,
θ
JA----------------------------------------------------------------------------------------------------------------------------------------------------------
87°C/W
Electrical Characteristics
(T
A
= 25°C, recommended operating conditions, unless otherwise specified)
Recommended Operating Conditions
Supply Voltage, V
CC------------------------------------------------------------------------------------------------------------------------------------------
+12V
±
10%
Ambient Temperature Range -------------------------------------------------------------------------------------- 0°C to 70°C
Junction Temperature Range -------------------------------------------------------------------------------------- 0°C
to 125°C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
VCC Supply Current
Nominal Supply
I
CC
UGATE and LGATE Open
--
3
--
mA
Power-On Reset
VCC Rising Threshold
V
OCSET
= 4.5V
--
9.5
--
V
VCC Falling Threshold
V
OCSET
= 4.5V
--
7.5
--
V
Rising V
OCSET
Threshold
--
1.6
--
V
Oscillator
Free Running Frequency
170
200
230
kHz
Ramp Amplitude
V
OSC
--
1.9
--
V
P-P
Reference and DAC
DAC (VID0 – VID4) Input Low Voltage
--
--
0.8
V
DAC (VID0 – VID4) Input High Voltage
2.0
--
--
V
DACOUT Voltage Accuracy
-1.0
--
+1.0
%
Error Amplifier
DC Gain
--
65
--
dB
Gate Drivers
UGATE Source
R
UGATE
V
BOOT
- V
PHASE
= 12V
--
8
--
UGATE Sink
R
UGATE
V
UGATE
- V
PHASE
= 1V
--
5
--
LGATE Source
I
LGATE
VCC = 12V, V
LGATE
= 6V
--
500
--
mA
LGATE Sink
R
LGATE
V
LGATE
= 1V
--
5
--
To be continued
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| RT9224CP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 9.0 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| RT9224CPS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRM 9.0 Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| RT9224CS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:5-Bit Programmable Synchronous PWM Buck Converter Controller and Output Voltage Monitor |
| 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 |
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