LV5026M-TLM-H

Ordering number : ENA1950 Bi-CMOS IC LV5026M LED Driver IC Overview LV5026M is a High Voltage LED drive controller which drives LED current up to 3A with external MOSFET. LV5026M is realized very simple LED circuits with a few external parts. It corresponds to various wide dimming controls including the TRIAC dimming control. Functions • High Voltage LED Controller • Short Protection Circuit • Various Dimming Control • Selectable reference Voltage -TRIAC & Analog Input & PWM Input -Internal 0.605V & External Input Voltage • Soft Start function • Low noise switching system • Built-in TRIAC stabilized function - 5 stages skip mode Frequency • Built-in circuit of detection of overvoltage of CS pin. - Soft driving • Selectable Switching frequency [50 kHz or 70 kHz, open: 50 kHz] Specifications Maximum Ratings at Ta = 25°C Parameter Maximum Input voltage Symbol Conditions VIN max REF_OUT, REF_IN, RT, CS, Ratings Unit -0.3 to 42 V -0.3 to 7 V PWM_D, ACS OUT1 pin VOUT_abs -0.3 to 42 V OUT2 pin VOUT2_abs -0.3 to 42 V Allowable power dissipation Pd max Junction temperature Tj Operating temperature Storage temperature With specified board* 1.0 W 150 °C Topr -30 to +125 °C Tstg -40 to +150 °C *Specified board: 58.0×54.0×1.6mm (glass epoxy board) Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 41311 SY 20110330-S00004 No.A1950-1/5 LV5026M Recommended Operating Conditions at Ta = 25°C Parameter Input voltage Symbol Conditions Ratings Unit VIN 8.5 to 42 V Electrical Characteristics at Ta = 25°C, VIN = 12V, unless otherwise specified. Parameter Symbol Conditions Ratings min typ Unit max Reference Voltage block Built-in Reference Voltage VREF VREF VIN regulation VREF_LN VIN = 8.5 to 24V 0.585 Reference Output Voltage REFOUT IREFOUT = 0.5mA - Maximum load REFOUT_MAX - equivalent output impedance REFOUT_RO 0.605 0.625 V ±0.5 % 3.0 V 0.5 mA 10 Ω Under Voltage Lockout Operation Start Input Voltage UVLOON Operation Stop Input Voltage UVLOOFF Hysterisys Voltage UVLOH 8 6.3 9 10 V 7.3 8.3 V 1.7 V Oscillation Frequency FOSC1 Switch voltage FOSC1 RT = OPEN 40 50 60 kHz FOSC2 RT=REF_OUT 55 70 85 kHz 5 V VOSC1 2 FOSC2 Switch voltage VOSC2 Maximum Duty MAXDuty 93 0.5 V VIO_VR 1 10 mV VIO_RI 1 10 mV % Comparator Input offset Voltage (Between CS and VREF) Input offset Voltage (Between CS and REFOUT) Input current IIOCS IIOREF CS pin max voltage VOM malfunction prevention mask TMSK 160 nA 80 nA 1 150 V ns time PWM_D Circuit OFF voltage VOFF 2 5 V ON voltage VON 0 0.6 V Thermal protection Circuit Thermal shutdown temperature TSD *Design guarantee 165 °C Thermal shutdown hysterisys ΔTSD *Design guarantee 30 °C 1000 mA Drive Circuit OUT sink current IOI OUT source current IOO 500 120 Minimum On time TMIN 200 300 3.0 3.2 mA ns TRIAC Stabilization Circuit Threshold of OUT2 VACS OUT2=High [ less than right record ] OUT2 sink current IO2I VIN=12V, OUT2=6V 2.8 0.6 mA V OUT2 source current IO2O VIN=12V, OUT2=6V 0.6 mA UVLO mode VIN current ICCOFF VINUVLOON, OUT = OPEN 0.6 VCC current 120 μA mA VIN Over Voltage Protection Circuit VIN over voltage protection voltage VINOVP VIN Current at OVP IINOVP VIN=30V 24 27 30 V 0.7 1.0 1.5 mA CS terminal abnormal sensing circuit Abnormal sensing voltage CSOCP 1.9 V *: Design guarantee (value guaranteed by design and not tested before shipment) No.A1950-2/5 LV5026M Block Diagram VIN Built-in REGULATOR REF_OUT TSD 3.0V UVLO OVP REFERENCE VOLTAGE 0.61V OSCILATOR CS REF_IN S + - Q CONTROL LOGIC R OUT Current Limit Comparater Short Protection Circuit ACS + OUT2 AC_Voltage sense Comparater GND PWM_D RT Sample Application Circuit AC+ AC+ LED+ LED+ AC- AC- V CC ACS LED- LEDV CC ACS OUT2 REF_OUT OUT2 REF_OUT REF_IN RT PWM_D REF_IN RT PWM_D OUT GND CS OUT GND CS No.A1950-3/5 LV5026M Package Dimensions unit : mm (typ) 3086B 5 6.4 1 0.15 0.1 (1.5) 1.7max 4.4 6 0.63 5.0 10 0.35 1.0 (0.5) SANYO : MFP10S(225mil) Pin Assignment RT ACS OUT2 REF_OUT REF_IN LV5026M VIN CS OUT PWM_D GND (TOP VIEW) Pin Function Pin No. Pin name 1 RT 2 REF_OUT Function Switching Frequency selection Pin. [ L or Open : 50kHz Switching / H(2V – 5V) : 70 kHz Switching ] Built-in 3V Regulate out Pin. [If this function isn’t used, please connect GND or no connection.] 3 REF_IN External LED current Limit Setting Pin. If less than VREF (0.605V) voltage is input, Peak current value is used at the input voltage. If more than Vref voltage is input, it is done at VREF voltage. [If this function isn’t used, please connect nothing.] 4 CS LED current sensing pin. When this pin voltage exceeds VREF (or REF_IN), external FET is OFF. And if the voltage of the pin exceeds 1.9V, LV5026M turns to latch-off mode. 5 PWM_D PWM DIMMING pin. 6 GND 7 OUT Driving the external FET Gate pin. 8 VIN Power supply pin. [L or open :normal operation, H: Stop operation ] GND pin Operation: VIN > UVLOON Stop: VIN < UVLOOFF Switching Stop: VIN > VINOVP 9 OUT2 This terminal is driving the FET which is stabilized the TRIAC application. If ACS is less than 3V, OUT2 outputs VIN. [If this function isn’t used, please connect nothing.] 10 ACS This terminal is sensing the AC Voltage. [If this function isn’t used, please connect GND.] No.A1950-4/5 LV5026M Skip frequency function LV5026M contains the skip frequency function for reduction of the peak value of conduction noise. This function changes the frequency as follows. Skip Frequency Function VIN UVLO unlocked OUT 45k 55k 52.5k 50k 47.5k 45k Switching frequency is changed as follows. … ×0.9 → ×1.1 → ×1.05 → ×1 → ×0.95 → ×0.9 → ×1.1 … It’s repeated by this loop. CS pin abnormal stop function If the voltage of the pin exceeds 1.9V, LV5026M turns to latch-off mode and switching is stopping. 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Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides provides information information as as of of March, April, 2011. 2011. Specifications Specifications and and information information herein herein are subject to change without notice. PS No.A1950-5/5