AP3019 inductor-based DC/DC converter designed drive five white LEDs s

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AP3019 inductor-based DC/DC converter designed drive five white LEDs s

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Product Brief WHITE STEP-UP CONVERTER Description
AP3019 inductor-based DC/DC converter designed drive five white LEDs series backlight. Only feedback resistor needed control current obtain satisfied brightness. constant frequency 1.0MHz control scheme employed this which means tiny external components used. fact, tall inductor 0.22µF output capacitor typical application very appropriate. Additionally, schottky diode boost circuit integrated this chip. AP3019 also provides disable port ease different systems. over output voltage protection equipped AP3019. When broken other abnormal conditions, output voltage will clamped 27V.
AP3019 Parametric Table
Feedback Voltage (Typ) (mV) Shutdown Quiescent Current (µA) Quiescent Current switching)(mA) Switching Frequency (Typ) (MHz)
Switch VCESAT (Typ) (mV) SOT-23-6 TSOT-23-6
Schottky Forward Drop Schottky Leakage Current (µA)
Voltage (Typ)
Package
Features
Inherently Uniform Current High Efficiency: Typical Need Extra Schottky Diode Over Output Voltage Protection Drives LEDs Fast 1.0MHz Switching Frequency Uses Tiny Tall Inductor Requires Only 0.22µF Output Capacitor
Benefits
Built-in Output Overvoltage Protection Boost Schottky Diode Intergraded Drivers LEDs
Additional Available Materials
Samples Preliminary Datasheet Demo Board Demo Board Manual Application Note Report
Applications
Cellular Phones Digital Cameras modules Receivers PDAs, Handheld Computers
2007
Semiconductor Manufacturing Limited
Product Brief WHITE STEP-UP CONVERTER Configuration AP3019
SOT-23-6/TSOT-23-6
VOUT CTRL
Ordering Information Example
Package
SOT-23-6 TSOT-23-6
Temperature Range
85oC 85oC
Part Number
AP3019KTR-E1 AP3019KTTR-E1
Marking
Packing Type
Tape Reel Tape Reel
Detailed information please refer relevant datasheet.
Sales Office:
30920 Huntwood Ave. Hayward, 94544, +1-510-324-2988 +1-510-324-2788 Taiwan 298-1 Guang Road, Nei-Hu District, Taipei, Taiwan 886-2-2656-2808 886-2-2656-2806 Shanghai Zone, Shan Road, Shanghai 200233, China 86-21-6495 9539 86-21-6485 9673 Shenzhen Room Noble Center, No.1006, Fuzhong Road, Futian District, Shenzhen 518026, China 86-755-8826 7951 86-755-8826 7865
2007
Semiconductor Manufacturing Limited

AP3019 inductor-based DC/DC converter designed drive five white LEDs s

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