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參數資料
| 型號： | FAN5240QSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM |
| 中文描述： | SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | QSOP-28 |
| 文件頁數： | 4/19頁 |
| 文件大小： | 447K |
| 代理商： | FAN5240QSC |
FAN5240
PRODUCT SPECIFICATION
4
REV. 1.1.7 8/29/02
Absolute Maximum Ratings
Absolute maximum ratings are the values beyond which the device may be damaged or have its useful life
impaired. Functional operation under these conditions is not implied.
Recommended Operating Conditions
20
SS
Soft Start.
initialization as well as in operation. This pin is used as the reference against which the
output is compared. During initialization, this pin is charged with a 25
Once this pin reaches 0.5V, its function changes, and it assumes the value of the voltage
as set by the VID programming. The current driving this pin is then limited to ±500
together with C
SS
sets a controlled slew rate for VID code changes.
Input voltage from battery.
This voltage is used by the oscillator for feed-forward
compensation of input voltage variation.
VCC.
This pin powers the chip. The IC starts to operate when voltage on this pin exceeds
4.6V (UVLO rising) and shuts down when it drops below 4.3V (UVLO falling).
A capacitor from this pin to GND programs the slew rate of the converter during
μ
A current source.
μ
A, that
21
VIN
28
VCC
Parameter
VCC Supply Voltage:
VIN
BOOT, SW, HDRV Pins
BOOT to SW
All Other Pins
Junction Temperature (T
Storage Temperature
Lead Soldering Temperature, 10 seconds
Min.
Typ.
Max.
6.5
27
33
6.5
VCC+0.3
150
150
300
Units
V
V
V
V
V
°
C
°
C
°
C
–
0.3
–
10
–
65
J
)
Parameter
Conditions
Min.
4.75
6
–
20
Typ.
5
Max.
5.25
24
85
Units
V
V
°
C
Supply Voltage VCC
Supply Voltage VIN
Ambient Temperature (T
A
)
Pin De
fi
nitions
(continued)
Pin
Number
Pin
Name
Pin Function Description
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5240QSCX | 功能描述:開關變換器、穩壓器與控制器 PWM Controller Two Phase RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FAN5242_AAB3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5242MTC | 功能描述:開關變換器、穩壓器與控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FAN5242MTCX | 功能描述:開關變換器、穩壓器與控制器 PWM Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| FAN5242QSC | 功能描述:開關變換器、穩壓器與控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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