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參數資料
| 型號： | FAN5232 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Adjustable PWM Buck Controller for LCD PCs |
| 中文描述： | SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | TSSOP-14 |
| 文件頁數： | 2/9頁 |
| 文件大小： | 76K |
| 代理商： | FAN5232 |
FAN5232
PRODUCT SPECIFICATION
2
REV. 1.1.1 10/7/02
Pin Assignments
Pin Description
Absolute Maximum Ratings
1
Note:
1. Functional operation under any of these conditions is NOT implied. Performance and reliability are guaranteed only if
Operating Conditions are not exceeded.
Pin Number
1
2
Pin Name
VBATT
3V_ALWAYS
Pin Function Description
Battery voltage sensor.
3.3V-ALWAYS Linear Regulator.
must not exceed 50mA.
5V-ALWAYS Linear Regulator.
must not exceed 50mA.
Analog Ground.
IC Shutdown.
Puts entire chip into shutdown. OFF=0. ON=1.
Shutdown and Softstart for the Switcher.
Switcher Output OK.
An open collector output that will be low if the switcher
output is out of spec.
Voltage Feedback for the Switcher.
Ground for the Switcher.
Connect by the shortest possible path to the source
of the low side MOSFET.
Low Side FET Driver for the Switcher.
the gate of an N-channel MOSFET.
High Side FET Source and Low Side FET Drain Switching Node.
Current Feedback for the Switcher.
Connect by the shortest possible path to
a resistor connected to the drain of the low side MOSFET.
High Side FET Driver for the Switcher.
the gate of an N-channel MOSFET.
Charge Pump for the Switcher.
Generates gate drive voltage for the high-side
MOSFET.
Battery Voltage.
Total load current on pins 2 and 3 together
3
5V_ALWAYS
Total load current on pins 2 and 3 together
4
5
6
7
AGND
SDWN
SDNADJ
PWRGD
OFF=0. ON=1.
8
9
VFBSW
PGND
10
LSD
Connect this pin through a resistor to
11
12
SW
ISNS
13
HSD
Connect this pin through a resistor to
14
CPUMP
Parameter
Conditions
Min.
-0.3
-5
-0.3
-0.3
Typ.
Max.
29
29
34
6.5
Units
V
V
V
V
°C/W
°C/W
°C
°C
°C
VBATT Pin
PHASE, IFB, SDWN Pins
CPUMP, HSD Pins
All Other Pins
Thermal Resistance,
θ
θ
J-A
J-C
100
32
Junction Temperature
Storage Temperature
Lead Temperature, Soldering 10 sec.
150
150
300
-65
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VBATT
3V_ALWAYS
5V_ALWAYS
AGND
SDWN
SDNADJ
PWRGD
CPUMP
HSD
ISNS
SW
LSD
PGND
VFB
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5232_CBC3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5232MTC | 功能描述:DC/DC 開關控制器 DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| FAN5232MTC_NL | 功能描述:開關變換器、穩壓器與控制器 ANG FG 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 |
| FAN5232MTC_Q | 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 |
| FAN5232MTCX | 功能描述:開關變換器、穩壓器與控制器 PWM Buck Controller adjustable 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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