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參數資料
| 型號： | FAN5332ASX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅動器 |
| 英文描述： | High Efficiency, High Current Serial LED Driver and OLED Supply with 30V Integrated Switch |
| 中文描述： | LED DISPLAY DRIVER, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 1/9頁 |
| 文件大小： | 549K |
| 代理商： | FAN5332ASX |
2004 Fairchild Semiconductor Corporation
FAN5332A Rev. 1.0.1
1
www.fairchildsemi.com
August 2005
F
FAN5332A
High Efficiency, High Current Serial LED Driver and OLED
Supply with 30V Integrated Switch
Features
■
1.5MHz Switching Frequency
Low Noise
Adjustable Output Voltage
Up to 1.5A Peak Switch Current
1.5W Output Power Capability
Low Shutdown Current: <1μA
Cycle-by-Cycle Current Limit
Over-Voltage Protection
Fixed -Frequency PWM Operation
Soft Start
Internal Compensation
Thermal Shutdown
5-lead SOT-23 Package
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Applications
■
Cell Phones
PDAs
Handheld Equipment
Display Bias
LED Bias
Flash LED
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Description
The FAN5332A is an LED driver that features fixed frequency
mode operation and an integrated FET switch. The device’s
high output power makes it suitable to drive flash LEDs in serial
connections. This device is designed to operate at high switch-
ing frequencies in order to minimize switching noise measured
at the battery terminal of hand-held communications equipment.
Quiescent current in both normal and shutdown mode is
designed to be minimal in order to extend battery life. Normal or
shutdown mode can be selected by a logic level shutdown cir-
cuitry.
The low ON-resistance of the internal N-channel switch ensures
high efficiency and low power dissipation. A cycle-by-cycle cur-
rent limit circuit keeps the peak current of the switch below a
typical value of 1.5A. The FAN5332A is available in a 5-lead
SOT23 package.
Typical Application
Figure 1. Typical Application Diagram
SHDN
V
IN
V
OUT
R1
R2
GND
V
IN
FB
SW
C
F
82pF
C
IN
10
μ
F
6.8μ
H
1
3
2
4
5
C
OUT
2.2
μ
F
L
BAT54
2.7V to 5.5V
ON
OFF
F
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| FAN5333ASX | High Efficiency, High Current Serial LED Driver with 30V Integrated Switch |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN5332ASX_NL | 功能描述:LED照明驅動器 1.6MHz Boost regulator RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| FAN5333A | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:High Efficiency, High Current Serial LED Driver with 30V Integrated Switch |
| FAN5333ASX | 功能描述:直流/直流開關轉換器 SYSTEM_POWER RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| FAN5333B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:High Efficiency, High Current Serial LED Driver with 30V Integrated Switch |
| FAN5333BSX | 功能描述:LED照明驅動器 SYSTEM_POWER RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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