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SGM3135 Dataheets PDF



Part Number SGM3135
Manufacturers Shengbang Microelectronics
Logo Shengbang Microelectronics
Description 3-Channel LowDropout Low Side White LED Driver
Datasheet SGM3135 DatasheetSGM3135 Datasheet (PDF)

SGM3135 3-Channel Low Dropout Low Side White LED Driver GENERAL DESCRIPTION The SGM3135 driver provides a simple solution for a matched current source for common Anode LED configuration. The SGM3135 can drive three LEDs or one LED at three times the current. The factory preset current value is 20mA per channel. The SGM3135 requires only a 40mV dropout voltage at a 20mA load on each output to match the LED brightness. The SGM3135 is available in Green SOT-23-6 package. It operates over an ambien.

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SGM3135 3-Channel Low Dropout Low Side White LED Driver GENERAL DESCRIPTION The SGM3135 driver provides a simple solution for a matched current source for common Anode LED configuration. The SGM3135 can drive three LEDs or one LED at three times the current. The factory preset current value is 20mA per channel. The SGM3135 requires only a 40mV dropout voltage at a 20mA load on each output to match the LED brightness. The SGM3135 is available in Green SOT-23-6 package. It operates over an ambient temperature range of -40℃ to +85℃. APPLICATIONS Wireless Handsets MP3, MP4, and PMP Cellular Phones Portable Communication Devices Digital Cameras, Camcorders PDAs, Palmtops, and Handy Terminals LED/Display Back Light Driver LEDs for Camera Flash Battery-Powered Equipment FEATURES ● Support up to 3 LEDs ● Low 40mV Dropout at 20mA ● Less than ±5% LED Current Matching ● Simple LED Brightness Control ● Low Shutdown Current ● 2.5V to 5.5V Supply Voltage Range ● Low EMI and Switching Noise ● Enable/Shutdown Control ● Operating Temperature Range: -40℃ to +85℃ ● Available in Green SOT-23-6 Package TYPICAL APPLICATION VIN CIN 0.1µF LED1 LED2 LED3 VCC SGM3135 PWM EN GND SG Micro Corp www.sg-micro.com REV. A. 2 SGM3135 3-Channel Low Dropout Low Side White LED Driver PACKAGE/ORDERING INFORMATION MODEL SGM3135 ORDER NUMBER SGM3135YN6G/TR PACKAGE DESCRIPTION SOT-23-6 SPECIFIED TEMPERATURE RANGE -40°C to +85°C PACKAGE OPTION Tape and Reel, 3000 MARKING INFORMATION S04XX NOTE: Order number and package marking are defined as the follow: ORDER NUMBER MARKING INFORMATION SGM3135 X X G / TR S04 X X Tape and Reel Green Product Chip produce month ("A" = Jan. "B" = Feb. … "L" = Dec.) Chip produce year ("9" = 2009, "A" = 2010 …) Package Type N6 SOT-23-6 Operating Temperature Range Y -40℃ to +85℃ For example: S049A (2009 year, the 1st month) ABSOLUTE MAXIMUM RATINGS VCC to GND …………….……………..……….…... -0.3V to 6V The Other Pins to GND………………...………...... -0.3V to 6V Storage Temperature Range...…….………....-65℃ to +150℃ Junction Temperature…………………………………......150℃ Operating Temperature Range…...……....……-40℃ to +85℃ Power Dissipation, PD @ TA = 25℃ SOT-23-6……….………………….…….…..…………….. 0.5W Package Thermal Resistance SOT-23-6, θJA…………………………..…………..….. 250℃/W Lead Temperature (Soldering 10 sec) …………………………………..………………………….. 260℃ ESD Susceptibility HBM………………………………………...………………4000V MM…………………………………..…...…….…………….400V NOTE: Stresses beyond 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 in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. CAUTION This integrated circuit can be damaged by ESD if you don’t pay attention to ESD protection. SGMICRO recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. SGMICRO reserves the right to make any change in circuit design, specification or other related things if necessary without notice at any time. Please contact SGMICRO sales office to get the latest datasheet. SG Micro Corp www.sg-micro.com 2 SGM3135 PIN CONFIGURATION (TOP VIEW) 3-Channel Low Dropout Low Side White LED Driver S04XX VCC 1 GND 2 6 LED1 5 LED2 EN 3 4 LED3 SOT-23-6 NOTE: The location of pin 1 on the S04XX is determined by orienting the package marking as shown. PIN DESCRIPTION PIN NAME FUNCTION 1 VCC Power Input. 2 GND Ground. 3 EN Enable Input. (Active High). 4 LED3 LED3 Output Pin. Connect to LED3’s cathode. 20mA constant current output. LED3 is high impedance when EN is low. 5 LED2 LED2 Output Pin. Connect to LED2’s cathode. 20mA constant current output. LED2 is high impedance when EN is low. 6 LED1 LED1 Output Pin. Connect to LED1’s cathode. 20mA constant current output. LED1 is high impedance when EN is low. SG Micro Corp www.sg-micro.com 3 SGM3135 3-Channel Low Dropout Low Side White LED Driver ELECTRICAL CHARACTERISTICS (VIN = 3.7V, TA = +25°C, unless otherwise noted.) PARAMETER Operation Voltage Range Shutdown Supply Current LED Sink Current Quiescent Power Supply Current LED Dropout Voltage LED Current Deviation Matching Input High Voltage at EN Input Low Voltage at EN OTP OTP Hysteresis SYMBOL VCC ISHDN ILED IQ DLED VIH VIL CONDITIONS VEN < 0.4V ILED = 0 ILED = 20mA, VLED @ ILEDn=90% × ILED VEN > VIH for enable IH VEN < VIL for disable IL MIN TYP 2.5 1 18 20 190 40 -5 1.5 145 10 MAX 5.5 22 90 +5 0.4 UNITS V μA mA μA mV % V V ℃ ℃ SG Micro Corp www.sg-micr.


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