AP3036AKTR-G1
AP3036AKTR-G1 Datasheet
AP3036/A
| Part | Datasheet |
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AP3036AKTR-G1 |
AP3036AKTR-G1 (pdf) |
| Related Parts | Information |
|---|---|
AP3036KTR-G1 |
AP3036KTR-G1 |
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| Preliminary Datasheet WHITE LED STEP-UP CONVERTER AP3036/A The AP3036/A is an inductor-based DC/DC converter designed to drive up to eight white LEDs in series for backlight. Only one feedback resistor is needed to control the LED current and obtain required brightness. A constant frequency 1.0MHz PWM control scheme is employed in this IC, which means tiny external components can be used. Specifically, 1mm tall inductor and 0.22µF output capacitor for a typical application is sufficient. Additionally, the Schottky diode in boost circuit is integrated on this chip. The AP3036/A also provides a disable pin to ease its use for different systems. The output over-voltage protection is implemented in AP3036/A. When any LED is broken or in other abnormal conditions, the output voltage will be clamped. The AP3036/A is available in standard SOT-23-6 and TSOT-23-6 packages. • Inherently Uniform LED Current • High Efficiency up to 84% • No Need for External Schottky Diode • Output Over-voltage Protection OVP • Fixed 1.0MHz Switching Frequency • Uses Tiny 1mm Tall Inductor • Requires Only 0.22µF Output Capacitor • High Frequency Dimming Control • Cellular Phones • Digital Cameras • LCD Modules • GPS Receivers • PDAs, Handheld Computers SOT-23-6 TSOT-23-6 Figure Package Types of AP3036/A BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet WHITE LED STEP-UP CONVERTER AP3036/A Pin Configuration K/KT Package SOT-23-6/TSOT-23-6 Pin 1 Dot by Marking SW 1 GND 2 6 VIN 5 VOUT 4 CTRL Figure Pin Configuration of AP3036/A Top View Pin Description Pin Number Pin Name Function Switch pin. Connect external inductor Ground Voltage feedback pin. The reference voltage is 200mV for AP3036 and 250mV for AP3036A Shutdown and dimming pin. Connect to 1.8V or higher to enable CTRL device Connect to 0.4V or less to disable device Connect to a PWM signal to achieve LEDs brightness dimming VOUT Output pin. Connect to the cathode of internal Schottky diode Input supply pin. Must be connected to a local bypass capacitor BCD Semiconductor Manufacturing Limited 2 WHITE LED STEP-UP CONVERTER Functional Block Diagram Preliminary Datasheet AP3036/A Figure Functional Block Diagram of AP3036/A Ordering Information AP3036 Circuit Type Blank AP3036 A AP3036A Package K SOT-23-6 KT TSOT-23-6 G1 Green TR Tape & Reel Package SOT-23-6 TSOT-23-6 Temperature Range -40 to 85°C AP3036KTR-G1 AP3036AKTR-G1 AP3036KTTR-G1 AP3036AKTTR-G1 Marking ID GHI GJE L2C L3C Packing Type Tape & Reel Tape & Reel Tape & Reel Tape & Reel BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green. BCD Semiconductor Manufacturing Limited 3 WHITE LED STEP-UP CONVERTER Absolute Maximum Ratings Note 1 Preliminary Datasheet AP3036/A Parameter Input Voltage SW Pin Voltage Feedback Voltage CTRL Pin Voltage Thermal Resistance Junction to Ambient, No Heat Sink Operating Junction Temperature Storage Temperature Range Lead Temperature Soldering, 10sec ESD Machine Model ESD Human Body Model VIN VSW VFB VCTRL TJ TSTG TLEAD Value 20 38 20 150 -65 to 150 260 250 2000 Unit °C/W °C °C °C V Note 1 Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. Recommended Operating Conditions Parameter Operating Temperature Range Input Voltage CTRL Pin Voltage TOP VIN VCTRL 85 16 Unit °C V BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet WHITE LED STEP-UP CONVERTER AP3036/A Electrical Characteristics |
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