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參數(shù)資料
| 型號(hào)： | RT9241 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Two-Phase DC/DC Controller for CPU Core Power Supply |
| 中文描述： | 兩相直流/直流CPU內(nèi)核電源控制器 |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大?。?/td> | 268K |
| 代理商： | RT9241 |
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RT9241
Preliminary
www.richtek-ic.com.tw
2
DS9241-00 November 2001
Absolute Maximum Ratings
z
Supply Voltage
6V
GND-0.3V ~ VDD+0.3V
0
°
C ~ 70
°
C
0
°
C ~ 125
°
C
-65
°
C ~ 150
°
C
z
Input, Output or I/O Voltage
z
Ambient Temperature Range
z
Operating Junction Temperature Range
z
Storage Temperature Range
z
Power Dissipation, P
D
@ T
A
= 25
°
C
SOP-20
0.625W
z
Package Thermal Resistance
SOP-20,
θ
JA
z
Lead Temperature (Soldering, 10 sec.)
60
°
C /W
260
°
C
Electrical Characteristics
(V
DD
= 5V, GND = 0V, T
A
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
V
DD
Supply Current
Nominal Supply Current
I
DD
PWM 1,2 Open
--
6
--
mA
Power-On Reset
V
DD
Rising Threshold
4.2
4.35
4.5
V
V
DD
Falling Threshold
3.7
3.85
4
V
VDVD Rising Trip Threshold
1.19
1.25
1.31
V
Oscillator
Frequency
For each phase
170
200
230
kHz
Ramp Amplitude
--
1
--
V
Ramp Valley
1.0
1.3
--
V
Maximum On Time of Each Channel
--
75
--
%
Reference and DAC
DACOUT Voltage Accuracy
-1.0
--
+1.0
%
DAC (VID0-VID4) Input Low Voltage
--
--
0.8
V
DAC (VID0-VID4) Input High Voltage
2.0
--
--
V
DAC (VID0-VID4) Bias Current
10
20
40
μ
A
PWM Controller Error Amplifier
DC Gain
--
85
--
dB
Bandwidth
--
10
--
MHz
Slew Rate
C
L
= 10pF
--
5
--
V/
μ
S
Current Sense GM Amplifier
ISP 1,2 Full Scale Source Current
--
50
--
μ
A
ISP 1,2 Current for OCP
--
75
--
μ
A
To be continued
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9241A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| RT9241AGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Two-Phase DC/DC Controller for CPU Core Power Supply |
| RT9241APS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Two-Phase DC/DC Controller for CPU Core Power Supply |
| RT9241B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| RT9241BGS | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Two-Phase DC/DC Controller for CPU Core Power Supply |
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