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FAN5332A

Fairchild Semiconductor
Part Number FAN5332A
Manufacturer Fairchild Semiconductor
Description High Current Serial LED Driver and OLED Supply
Published Jun 8, 2009
Detailed Description FAN5332A High Efficiency, High Current Serial LED Driver and OLED Supply with 30V Integrated Switch August 2005 FAN5332...
Datasheet PDF File FAN5332A PDF File

FAN5332A
FAN5332A

Overview
FAN5332A High Efficiency, High Current Serial LED Driver and OLED Supply with 30V Integrated Switch August 2005 FAN5332A High Efficiency, High Current Serial LED Driver and OLED www.
datasheet4u.
com 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 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 switching 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 circuitry.
The low ON-resistance of the internal N-channel switch ensures high efficiency and low power dissipation.
A cycle-by-cycle current 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.
Applications ■ ■ ■ ■ ■ ■ Cell Phones PDAs Handheld Equipment Display Bias LED Bias Flash LED Typical Application VIN CIN 10µF 5 1 R1 CF 82pF 2.
7V to 5.
5V L 6.
8µH BAT54 COUT 2.
2µF VOUT FAN5332A VIN SW FB 3 R2 ON OFF 4 SHDN GND 2 Figure 1.
Typical Application Diagram ©2004 Fairchild Semiconductor Corporation 1 www.
fairchildsemi.
com FAN5332A Rev.
1.
0.
1 FAN5332A High Efficiency, High Current Serial LED Driver and OLED Supply with 30V Integrated Switch Pin Assignment Top View SW www.
datasheet4u.
com VIN SHDN GND FB 5-Lead SOT-23 Figure 2.
Pin Assignment Pin Description Pin ...


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