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QX7135

QXMD
Part Number QX7135
Manufacturer QXMD
Description Constant Current LED Driver
Published Jun 1, 2014
Detailed Description Preliminary QX7135 Constant Current LED Driver QX7135 General Description THE QX7135 is a constant current regulator f...
Datasheet PDF File QX7135 PDF File

QX7135
QX7135

Overview
Preliminary QX7135 Constant Current LED Driver QX7135 General Description THE QX7135 is a constant current regulator for driving LEDs with low quiescent current and low dropout voltage.
The current ranges from 100mA to 400mA with 10mA step.
No external com ponent is required to achieve a constant current LED driver.
Soft start, therm al protection and low voltage protection are also provided.
Features y Sink current: 100mA to 400mA with 10mA step.
y Power supply voltage: 2.
7-6V y Low drop out voltage: 150mV@350mA y Low quiescent current: 250uA y Thermal protection y Soft start y Low voltage protection: 2.
5V y SOT-89-3 and TO-252-2 packages Ordering Information QX7135 X XX Applications Sink Current: 10: 100mA 11: 110mA … 39: 390mA 40: 400mA y Power Led driver Package Type: T: SOT-252-2 E: SOT-89-3 Block Diagram and Typical Applications 2.
7-6V Low voltage protection Thermal protection bandgap Soft start VDD LED 50mV QX7135 GND QX Micro Devices Co.
, Ltd.
1 of 5 http://www.
Datasheet4U.
com Preliminary QX7135 Pin Assignment QX7135EXX (SOT-89-3) 1 LED 2 GND 3 VDD LED QX7135TXX (TO-252-2) 1 2 GND 3 VDD Absolute Maximum Ratings Type Voltage Symbol Vmax Vmin-max Current Power dissipation ILEDmax PSOT-89-5 PSOT-252-3 Description Maximum voltage on VDD and LED pins Voltage range on LED pin Maximum current on LED pin Maximum Power dissipation for SOT-89-3 package Maximum Powe r di ssipation f or S OT-252-2 package Operation temperature range torage temperature range ESD voltage for human body model Value 10 -0.
3~VDD+0.
3 500 0.
5 0.
8 W o Unit V V mA W Thermal Tmin-max Tstorage S -20~85 -40~165 2000 C C o ESD VESD V Electronic Characteristics Parameter Symb Sink current range VDD range Sink current accuracy Load regulation VD ILE △ILED/ILED VLE -5 D=0.
2V to 3V VDD=3.
6V Line regulation Output dropout voltage Supply current Low voltage protection Thermal protection QX Micro Devices Co.
, Ltd.
2 ol Test Condition D=3.
6 D=350mA Min 100 2.
7 Typ M...


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