MT501 Datasheet. Www.s Manuals.com. Mos Tech
User Manual: Marking of electronic components, SMD Codes 2A, 2A*, 2A***, 2A18, 2A20, 2A25, 2A30, 2A35, 2A4, 2A40, 2A45, 2A50, 2A55, 2A60, 2A7, 2AG, 2AL. Datasheets FAN5350UCX, FMMT3906, KST3906, MMBT3906, MMBT3906G-AE3, MMBT3906G-AL3, MMBT3906G-AN3, MMBT3906L-AE3, MMBT3906L-AL3, MMBT3906L-AN3, MT501, PZM2.4NBA, PZM2.7NB2A, Si2302ADS.
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MOS-TECH Semiconductor Co.,LTD MT501 LOW POWER LIGHTING LED DRIVER DATA SHEET 15 ~ 60mA Single/Dual channel LED Driver Features The most easy used linear constant current LED driver 15mA~ 60mA, 1 to 2 channel constant current regulator No external current setting resistor is needed 1.5V ~ 12V wide supply voltage range supports self power structure in lighting application Very low dropout voltage IPN ≦ 40mA → VPN ≒ 0.4V IPN > 40mA → VPN ≒ 0.6V PWM dimming by VDD pin 2uS/2uS current rising/falling time -40℃ ~ 120℃ junction operating temperature Cascade-able for higher voltage applications* ( type 1Axx only) Current leak/no leak design for lighting/display Application Low chip to chip current skew IPN ≦ 40mA → chip current skew < ±5% IPN > 40mA → chip current skew < ±6% Less than 1%/V load (or line) regulation Minimized footprint Green package * Patent pending can be connected in series to share redundant high voltage. With the unique share voltage technology of MOS-TECH Semiconductor, the extra redundant voltage can be shared by each MT501 by a reasonable mechanism. This special capability let MT501 very suit for the usage of wide range power supply that many liner type LED drivers cannot work. Product Description MT501 is a simple general purpose current regulation component that can be easily used in various LED lighting applications. With the excellent load/line regulation and minimized chip current skew, MT501 keep LED’s current very stable even when power or load fluctuate in a wide range and make light intensity very uniform in large area of LED light source. Except power supply function, the VDD pin of MT501 is output enable (OE) also, and can be used in digital PWM controlled circuit to achieve more precise current adjusting in gray level applications. The minimized power supply voltage let MT501 be used as a current regulative diode (CRD) when VDD and VP pin are tight together. This application makes MT501 very easy to be used. Just like a diode, when this diode is inserted in LED series, the current in circuit is regulated. In high supply voltage and low LED load voltage applications, two or more single channel MT501 (A type) Applications Type A – For lighting application General LED lighting LCD back lighting LED torch / flashlight RGB lighting Type B – For display application (No current leak) RGB display pixel driver Package Type SOT 23-3 (single channel, type A/B) VN VN 1AXX 1BXX VP VDD VP VDD SOT23-5 (dual channel, type A) – two independent driver in single package. VDD1 VDD2 2AXX VP1 VN VP2 SOT89-3 (single channel, type A, package option) 1AXX XXXX VP VN VDD Terminal Description Pin Name Function VDD Power supply VP Current in VN Current out Ordering Information Part Number: MT501 Example: “1A25” is single channel cascade-able MT501, current 25mA. “1B25” is single channel NU501, current 25mA “2A20” is dual channel NU501, current 20mA. PS: Before you issue your P.O., please contact your agent or MOS-TECH Semiconductor to make sure the channel and center current that is available. Top marking x A xx Channels Output current (mA) Product type Block Diagram per channel and Ideal IV characteristic VDD Ipn Vp Type A – IV curve Type B – IV curve Ip Ip Vrefence Iboost Is Is Vt Vn Viboost Vt Vp Vp Maximum Ratings (T = 25°C) Characteristic Symbol Rating Unit Supply voltage VDD 0 ~ 16 V Output voltage VP -0.2 ~ 17 V Output current IPN Power Dissipation (Ta=25°C) Thermal Resistance (On PCB, Ta=25°C) PD RTH(j-a) IS** +10% SOT 23 0.25 SOT 89 0.7 SOT 23 300 SOT 89 180 mA W °C /W Operating temperature TOPR -40~+85 °C Storage temperature TSTG -55~+150 °C Electrical Characteristics and Recommended Operating Conditions Characteristic Symbol Supply voltage VDD Room Temp. VPN >= 1V Min. Typ. Max. IS <= 25mA 1.5 - 12 IS <= 40mA 2 - 12 IS > 40mA 2.5 - 12 Unit V Supply current IDD - 100 150 250 uA Minimum dropout voltage VPNmin VDD >=3.8V 0.4 - 0.6 V Maximum output voltage VPNmax IPN = IS - - 0.25 / IPN V Output breakdown voltage VPNBD IPN = 0, VDD = 0V - - 17 V Output current IS Spec. 15 - 60 mA Leakage ILeakage Type A 1 - 5 uA Type B 0 - 0.5 Line regulation %/VDD 12V > VDD > 1.6V - - Load regulation %/VP 8V > VP > 1.6V - - VDD = VP = 2V - - ±1 ±1 ±0.5 uA %/10 Thermal regulation ** Condition 0V < VDD < 0.4V, VP = 10V ℃ %/V %/V ℃ %/10 Threshold voltage (Type A only) Viboost IP = IS*1.1 11 12 13 V Current boost (Type A only) Iboost VP = Viboost 7 10 13 % * IS Chip current skew ISkew IPN <= 40mA - - 5 IPN > 40mA - - 6 VDD = VP = 2V % IS is output saturation current. Switching Characteristics (T = 25°°C) Characteristic Symbol Condition Min. Typ. Max. Unit Propagation Delay Time VDD from “L” to “H” tpLH VP=1V, VDD = 0V → 3V - 1 - uS Output current rising time tRise VP=1V, VDD = 0V → 3V - 1.5 5 uS Propagation Delay Time VDD from “H” to “L” tpHL VP=1V, VDD = 3V → 0V - 1 - uS Output current falling time tFall VP=1V, VDD = 3V → 0V - 1.5 5 uS Test Circuit +V RLoad VDD Function generator VP MT501 VN Timing Waveform VDD 50% 50% tpLH tpHL 90% 50% 10% VP 90% 50% 10% tRise tFall I/V curve Load regulation characteristic (A type) VDD 70.00 VDD VP MT501 VN VN Output current IPN (mA) VP 1A60 1A55 1A50 60.00 50.00 1A45 1A40 40.00 1A30 1A25 30.00 20.00 1A35 1A20 1A18 10.00 VDD = 3.8V 0.1 0.5 1 1.8 2.6 3.4 4.2 5 5.8 6.6 7.4 8.2 9 9.8 10.6 11.4 12.2 13 13.8 14.6 15.4 16.2 17 0.00 Output voltage VPN (V) VDD VP VDD VP MT501 VN VN Output current IPN (mA) Load regulation characteristic (B type) 1B30 1B25 VDD = 3.8V Output voltage VPN (V) Line regulation characteristic 70.0 1A60 Output current IPN (mA) 60.0 1A55 1A50 50.0 1A45 1A40 1A35 40.0 30.0 1A30 1A25 20.0 1A20 1A18 10.0 VPN = 1V 0.0 0.9 1.4 1.9 2.4 2.9 3.5 4.4 5.2 6.2 7.2 8.2 9.2 Supply voltage VDD (V) IDD Vs. Temperature Characteristic VDD= 5V VPN = 2V IDD (uA) IDD (uA) IDD Vs. VDD Characteristic (Room Temp) Supply voltage VDD (V) ° Temperature ( C) Application design consideration MT501 is a linear constant current driver. While this device is designed in lighting system, the heat generation should be considered. Generally, the higher current designed in system, the higher power will suffer by this power consuming by MT501 and to increase the whole system efficiency, the drop voltage across minimized. The following design note can reduce the heat generation from output constant current and the needed supply voltage (normal operation condition). 1. Drop the power supply voltage as low as possible in the normal operation condition. 2. Get the LEDs in current loop as many as possible in the normal operation condition. 3. Get a voltage sharing resistor in series in current loop . 4. If system power is greater that 24V, it suggests to connect a small SMD type capacitor (0.1uF~10uF) between VDD and VN pin. That will greatly improve the stability of system. Application Circuits Parallel application 5V PWM indicator application +5V VDD VP MT501 PWM generator 1B20 12V VN VDD VDD VP VP MT501 MT501 VN VN 24V PWM lighting with dimming application With the special designed character of leak, the A type NU501 can be used in dimming application even when system power is higher than the maximum VP voltage. RGB display pixel application +24V +5V PWM generator PWM R VDD PWM generator PWM G VP VP RGB PWM signal MT501 1A20 VN 12V lighting application 12V VP MT501 MT501 VP1 VN VN VN VN High voltage drop application VDD VP MT501 1AXX VN 8V ~ 24V VDD VP MT501 1AXX VN 1B20 PWM R VDD VN 1B20 PWM G VP VDD PWM B VP VDD VP MT501 MT501 MT501 VN VN VN 1B20 1B20 1B20 PWM G VP VDD PWM B VP VDD MT501 MT501 MT501 VN VN VN 1B20 VP2 VP MT501 VDD VDD1 VDD2 VDD MT501 PWM R 12V VDD PWM B VP MT501 1B20 VDD VDD 1B20 1B20 VP 36V light tube application LED Vf = 3.3V ~ 3.5V VLED = 35.5V ~ 40V Package Dimensions SOT23-3 Taping Specification PACKAGE Q’TY/REEL SOT23-3 3,000 ea SOT23-5 3,000 ea SOP89 1,000 ea SOT23-5 SOT89 MOS-TECH Semiconductor Co.,LTD Notes regarding these materials 1. This document is provided for reference purposes only so that Mos-tech customers may select the appropriate Mos-tech products for their use. 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Please contact a Mos-tech sales office if you have any questions regarding the information contained in this document, Mos-tech semiconductor products, or if you have any other inquiries. ©2010 MOS-TECH Semiconductor Corporation www.mtsemi.com MOS-TECH Semiconductor Co.,LTD ⊼ᛣ ᴀ᭛াᰃখ㗗䆥᭛ˈࠡ义᠔䕑㣅᭛⠜“Cautions”᳝ℷᓣᬜDŽ ݇Ѣ߽⫼ᴀ䌘᭭ᯊⱘ⊼ᛣџ乍 1. ᴀ䌘᭭ᰃЎњ䅽⫼᠋ḍ⫼䗨䗝ᢽড়䗖ⱘᴀ݀ৌѻકⱘখ㗗䌘᭭ˈᇍѢᴀ䌘᭭Ё᠔䆄䕑ⱘᡔᴃֵᙃˈᑊ䴲ᛣ ੇⴔᇍᴀ݀ৌ㗙ϝ㗙ⱘⶹ䆚ѻᴗঞ݊Ҫᴗֱ߽ߎخ䆕ᇍᅲᮑᴗ䖯㸠ⱘᡓ䇎DŽ 2. ᇍѢՓ⫼ᴀ䌘᭭᠔䆄䕑ⱘѻક᭄ǃǃ㸼ǃᑣǃㅫ⊩ঞ݊Ҫᑨ⫼⬉䏃՟㗠ᓩ䍋ⱘᤳᆇ㗙ᇍϝ㗙ⱘ ⶹ䆚ѻᴗঞ݊Ҫᴗ߽䗴៤։⢃ˈᴀ݀ৌϡᡓᢙӏԩ䋷ӏDŽ 3. ϡ㛑ᇚᴀ䌘᭭᠔䆄䕑ⱘѻકᡔᴃ⫼Ѣ㾘⸈ണᗻ℺఼ⱘᓔথㄝⳂⱘǃݯџⳂⱘ݊Ҫⱘݯ䳔⫼䗨ᮍ䴶DŽ ˈߎষᯊᖙ乏䙉ᅜ中国ⱘlj∛ঞ䌌ᯧ⊩NJঞ݊ҪߎষⱘⳌ݇⊩Ҹᑊሹ㸠䖭ѯ⊩ҸЁ㾘ᅮⱘᖙ㽕 㓁DŽ 4. ᴀ䌘᭭᠔䆄䕑ⱘѻક᭄ǃǃ㸼ǃᑣǃㅫ⊩ҹঞ݊Ҫᑨ⫼⬉䏃՟ㄝ᠔ֵ᳝ᙃഛЎᴀ䌘᭭থ㸠ᯊⱘݙᆍˈ ᴀ݀ৌ᳝ৃ㛑خџܜ䗮ⶹⱘᚙމϟˈᇍᴀ䌘᭭᠔䆄䕑ⱘѻક㗙ѻક㾘Ḑ䖯㸠ᬍDŽ᠔ҹ䌁фՓ⫼ ᴀ݀ৌⱘञᇐԧѻકПࠡˈ䇋џܜᴀ݀ৌⱘ㧹Ϯにষ⹂䅸᳔ᮄⱘֵᙃᑊ㒣ᐌ⬭ᛣᴀ݀ৌ䗮䖛݀ৌЏ义 (http://www.mtsemi.com)ㄝ݀ᓔⱘ᳔ᮄֵᙃDŽ 5. ᇍѢᴀ䌘᭭Ё᠔䆄䕑ⱘֵᙃˈࠊᯊ៥Ӏሑֱ䆕ߎ⠜ᯊⱘ㊒⹂ᗻˈԚϡᡓᢙᴀ䌘᭭ⱘভ䗄ϡᔧ㗠㟈Փ乒 ᅶ䙁ফᤳ༅ㄝⱘӏԩⳌ݇䋷ӏDŽ 6. Փ⫼ᴀ䌘᭭᠔䆄䕑ⱘѻક᭄ǃǃ㸼ㄝ᠔⼎ⱘᡔᴃݙᆍǃᑣǃㅫ⊩ঞ݊Ҫᑨ⫼⬉䏃՟ᯊˈϡҙ㽕ᇍ᠔ Փ⫼ⱘᡔᴃֵᙃ䖯㸠ऩ⣀䆘Ӌˈ䖬㽕ᇍᭈϾ㋏㒳䖯㸠ⱘߚܙ䆘ӋDŽ䇋乒ᅶ㞾㸠䋳䋷ˈ䖯㸠ᰃ৺䗖⫼ⱘ߸ᮁDŽ ᴀ݀ৌᇍѢᰃ৺䗖⫼ϡ䋳ӏԩ䋷ӏDŽ 7. ᴀ䌘᭭Ё᠔䆄䕑ⱘѻકᑊ䴲䩜ᇍϛϔߎ⦄ᬙ䱰ᰃ䫭䇃䖤㸠ህӮ࿕㚕ࠄҎⱘ⫳ੑ㒭Ҏԧᏺᴹॅᆇⱘᴎ఼ǃ ㋏㒳 བ⾡ᅝܼ㺙㕂㗙䖤䕧Ѹ䗮⫼ⱘǃए⭫ǃ➗⚻ࠊǃ㟾఼ẄǃḌ㛑ǃ⍋ᑩЁ㒻⫼ⱘᴎ఼㋏㒳ㄝ 㗠䆒䅵ࠊ䗴ⱘ⡍߿ᰃᇍѢક䋼ৃ䴴ᗻ㽕∖ᵕ催ⱘᴎ఼㋏㒳ㄝ˄ᇚᴀ݀ৌᣛᅮ⫼Ѣ≑䔺ᮍ䴶ⱘѻક⫼ Ѣ≑䔺ᯊ䰸˅DŽབᵰ㽕⫼ѢϞ䗄ⱘⳂⱘˈ䇋ࡵᖙџܜᴀ݀ৌⱘ㧹Ϯにষ䆶DŽˈᇍѢ⫼ѢϞ䗄Ⳃⱘ 㗠䗴៤ⱘᤳ༅ㄝˈᴀ݀ৌὖϡ䋳䋷DŽ 8. 䰸Ϟ䗄乍ݙᆍˈϡ㛑ᇚᴀ䌘᭭Ё䆄䕑ⱘѻક⫼Ѣҹϟ⫼䗨DŽབᵰ⫼Ѣҹϟ⫼䗨㗠䗴៤ⱘᤳ༅ˈᴀ݀ৌ ὖϡ䋳䋷DŽ 1˅⫳ੑ㓈ᣕ㺙㕂DŽ 2˅ỡඟѢҎԧՓ⫼ⱘ㺙㕂DŽ 3˅⫼Ѣ⊏⭫˄ߛ䰸ᙷ䚼ǃ㒭㥃ㄝ˅ⱘ㺙㕂DŽ 4˅݊ҪⳈᕅડࠄҎⱘ⫳ੑⱘ㺙㕂DŽ 9. Փ⫼ᴀ䌘᭭᠔䆄䕑ⱘѻકᯊˈᇍѢ᳔乱ᅮؐǃᎹ⬉⑤⬉य़ⱘ㣗ೈǃᬒ⛁⡍ᗻǃᅝ㺙ᴵӊঞ݊Ҫᴵӊ䇋 ᴀ݀ৌ㾘ᅮⱘֱ䆕㣗ೈݙՓ⫼DŽབᵰ䍙ߎњᴀ݀ৌ㾘ᅮⱘֱ䆕㣗ೈՓ⫼ᯊˈᇍѢ⬅ℸ㗠䗴៤ⱘᬙ䱰ߎ⦄ ⱘџᬙˈᴀ݀ৌᇚϡᡓᢙӏԩ䋷ӏDŽ 10.ᴀ݀ৌϔⳈ㟈Ѣᦤ催ѻકⱘ䋼䞣ৃ䴴ᗻˈԚϔ㠀ᴹ䇈ˈञᇐԧѻકᘏӮҹϔᅮⱘὖ⥛থ⫳ᬙ䱰ǃ㗙⬅ ѢՓ⫼ᴵӊϡৠ㗠ߎ⦄䫭䇃䖤㸠ㄝDŽЎњ䙓ܡᴀ݀ৌⱘѻકথ⫳ᬙ䱰㗙䫭䇃䖤㸠㗠ᇐ㟈Ҏ䑿џᬙ☿♒ 䗴៤⼒Ӯᗻⱘᤳ༅ˈᏠᳯᅶ᠋㛑㞾㸠䋳䋷䖯㸠ݫԭ䆒䅵ǃ䞛পᓊ⚻ᇍㄪঞ䖯㸠䰆ℶ䫭䇃䖤㸠ㄝⱘᅝܼ䆒䅵 ˄ࣙᣀ⹀ӊ䕃ӊϸᮍ䴶ⱘ䆒䅵˅ҹঞ㗕࣪໘⧚ㄝˈ䖭ᰃЎᴎ఼㋏㒳ⱘߎॖֱ䆕DŽ⡍߿ᰃऩ⠛ᴎⱘ䕃ӊˈ ⬅Ѣऩ⣀䖯㸠偠䆕ᕜೄ䲒ˈ᠔ҹ㽕∖乒ᅶࠊ䗴ⱘ᳔㒜ⱘᴎ఼ঞ㋏㒳Ϟ䖯㸠ᅝܼẔ偠ᎹDŽ 11. བᵰᡞᴀ䌘᭭᠔䆄䕑ⱘѻકҢ݊䕑ԧ䆒Ϟौϟˈ᳝ৃ㛑䗴៤၈ܓ䇃৲ⱘॅ䰽DŽ乒ᅶᇚᴀ݀ৌѻકᅝ㺙ࠄ 乒ᅶⱘ䆒Ϟᯊˈ䇋乒ᅶ㞾㸠䋳䋷ᇚᴀ݀ৌѻક䆒㕂Ўϡᆍᯧ࠹㨑ⱘᅝܼ䆒䅵DŽབᵰҢ乒ᅶⱘ䆒Ϟ࠹㨑㗠 䗴៤џᬙᯊˈᴀ݀ৌᇚϡᡓᢙӏԩ䋷ӏDŽ 12.ᕫࠄᴀ݀ৌⱘџܜк䴶䅸ৃᯊˈϡৃᇚᴀ䌘᭭ⱘϔ䚼ߚ㗙ܼ䚼䕀䕑㗙ࠊDŽ 13.བᵰ䳔㽕њ㾷݇Ѣᴀ䌘᭭ⱘ䆺㒚ݙᆍˈ㗙᳝݊Ҫ݇ᖗⱘ䯂乬ˈ䇋ᴀ݀ৌⱘ㧹Ϯにষ䆶DŽ Keep safety first in your circuit designs! 1. MOS-TECH Semiconductor Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or (iii) prevention against any malfunction or mishap. ©2010 MOS-TECH Semiconductor Corporation www.mtsemi.com www.s-manuals.com
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