LED DRIVER PRODUCTS www.diodes.com DIODES INCORPORATED’S PRODUCTS ARE DESIGNED FOR HIGH PERFORMANCE, ACROSS A WIDE RANGE OF EXISTING AND EMERGING APPLICATIONS COMPANY OVERVIEW SOLUTIONS FOR LED LIGHTING APPLICATIONS Diodes Incorporated is a leading global provider of Discrete, Analog, and Logic semiconductors. Diodes Incorporated’s LED lighting solutions are not only recognized for their high efficiency and simplicity, but also for their flexibility and versatility. Its global footprint includes sales offices in five countries and manufacturing locations in China, Europe and the USA. A focus on product innovation, cost reduction, acquisitions and customer service has made Diodes Incorporated an industry leader. Combining leading silicon and packaging technologies, Diodes provides a broad portfolio of Discrete semiconductors comprising Bipolar Transistors, MOSFETs, Schottky diodes, SBR®, switching diodes and functional specific arrays to enable our customers’ next generation designs. The Diodes' Analog IC portfolio consists of six main areas: Power Management ICs, Standard Linear, Lighting, Sensors, Direct Broadcast by Satellite and Application-Specific Standard Products. Diodes IC portfolio also includes Standard Logic products. The best Analog ICs provide circuit designers with the most advantageous combination of efficiency, functionality and package size. Diodes has a wide variety of types of LED drivers: high voltage offline, DC-DC switching, charge pump and linear LED drivers that are well suited for a wide range of applications. General lighting Signage and display Portable lighting Automotive Diodes provides a wide range of tools to aid the design-in of our LED drivers; these include Excel component value calculators as well as evaluation modules—both general-purpose and application-specific—see page 18 for a list. This selection guide covers Diodes’ line of LED drivers and their markets/application areas: Diodes’ family of LED drivers provides high-efficiency constant current drive for high-brightness LEDs—both high and low current. When driving multiple LEDs in a single string, efficiencies greater than 95% may be attained together with very accurate LED current matching. Diodes' offline LED drivers provide a simple cost-effective solution for offline lamps, which includes retrofit lamps as well as T5/T8/T10/T12 replacements. Diodes' medium voltage DC-DC high-brightness LED drivers combine a small footprint and high-power density with operating voltage up to 60V. Integrated switch LED drivers are capable of delivering LED currents up to 1.5A. Device topologies include buck, boost and buck-boost. Diodes' low voltage DC-DC high-brightness LED drivers are targeted at battery-powered systems for general illumination applications. Diodes provides small screen display illumination with high-efficiency charge pump multi-channel LED drivers and inductive boost LED drivers. High-efficiency and high-switching frequencies make them well suited to modern portable consumer equipment. Diodes' linear LED drivers provide a simple cost-effective solution to driving low-current, high-brightness LEDs. SBR is a registered trademark of Diodes Incorporated. INDEX Offline LED Drivers Offline LED Driver Applications E14/B10 Lamps A19/E27 Lamps T5/T8/T10/T12 Lamps 4 4 4 5 5 Medium Voltage DC-DC LED Drivers 6 Medium Voltage Applications 7−9 General Illumination LED Lamp Solution for Refrigerators 7 MR16 LED Lamp Solution 8 High-Power MR16 Lamps 8 LED Lamp Solution for Street Lights 9 LED Lamp Solution for Wall Washers 9 Low Voltage DC-DC LED Drivers Low Voltage Applications Portable Lighting 2-Cell Flashlight Portable LED Projector Signage and Display Single-Cell Emergency Lighting General Illumination Simple Solar Exterior Lights Linear LED Drivers Linear LED Driver Applications Signs 10 11−12 11 11 12 12 13 13 13 Automotive LED Drivers 14 Automotive Lighting Applications 14−15 Interior Lamps 14 Door Lighting 15 Daytime Running Lights 15 Backlighting ICs and Bias Generators LED Backlight Drivers LCD and OLED Bias Generators Small Screen Display Applications 5” PND Screen 3” Mobile Screen 16 16 16 17 17 17 LED Driver Evaluation Boards 18 Drivers for Industry-Standard LEDs 19 Page 3 OTP Temperature Supply Current Temperature Range Y Y 150 0.5 Y Y 150 0.65 V V V mA A % kHz % AL9910 15 500 7.5 10 External MOSFET 10 300 90 Y AL9910-5 15 500 7.5 10 External MOSFET 5 300 90 AL9910A 20 500 10 10 External MOSFET 10 300 90 Part Number Simple, versatile solutions for LED driving THE DIODES ADVANTAGE Efficiency 0.5 Switching Frequency 150 Accuracy Y LED Current ºC Output Current mA VDD ºC Maximum Input Voltage PWM Analog Minimum Input Voltage Dimming Offline LED Drivers Available Packages -40 to +85 SO-8 -40 to +105 SO-8EP -40 to +85 SO-8 -40 to +105 SO-8EP -40 to +85 SO-8 -40 to +105 SO-8EP AL9910 Benefits Exposed pad SO-8 and standard SO-8 Improved power dissipation reduces temperature rise Improved reliability over standard solutions Over-temperature protection Increases reliability of lamps 500V maximum input voltage Exceeds requirements for 277VAC main voltages Internal regulator with two output voltage variants Removes need for start-up bleed resistor AL9910: 7.5V VDD → MOSFETs with VGS(MAX)<12V AL9910A: 10V VDD → MOSFETs with VGS(MAX)<20V Separate linear and PWM dimming inputs LD Pin → dimming, thermal control, better accuracy PWM_D is TTL compatible → better resolution Offline LED Driver Applications L1 1 C5 + 3 C1 C2 U1 VIN 1 L2 R9 D1 1 - 8 R1 4 VDD GATE 5 PWMD 2 CS R2 7 LD ROSC The AL9910 provides a versatile cost-effective solution to these non-dimmable lamps. Page 4 THE DIODES ADVANTAGE C3 AL9910A 3 4 R7 Q1 ZXMN20B28KTC R3 GND 6 BRIDGE For retrofit E14/B10 replacement lamps a smallfootprint, high-power factor solution is required. LED+ D6 R6 2 E14/B10 High PF Retrofit LED Lamps R4 C4 AL9910 Benefits Integrated high-voltage regulator Removes high-power, start-up resistor Uses LD pin to increase power factor Reduces size of bulk capacitor Exposed pad SO-8 reduces junction temperature Better reliability 500V maximum input voltage improves robustness from transients at 277VAC 1 LED- Offline LED Driver Applications A19/E27 Triac Dimmable Retrofit LED Lamps V AC R1 C2 L1 D1 R2 LEDs C13 C14 C9 GND D5 R10 GND D2 D3 L2 D4 R32 R35 RT AL9910 VIN LD CS GND VDD PWMD GATE Triac Dimming Detection Circuitry Q1 R6 R9 R37 C5 R7 For retrofit A19/E27 replacement lamps a small footprint high-power factor solution that is triac dimmable is required. The AL9910 provides a versatile, cost-effective solution to these dimmable lamps. THE DIODES ADVANTAGE AGND GND AL9910 Benefits Integrated high-voltage regulator Removes high-power start-up resistor Uses LD pin to increase power factor Reduces size of bulk capacitor Exposed pad SO-8 reduces junction temperature Better reliability 500V maximum input voltage improves robustness from transients at 277VAC Triac dimmable solutions Simple triac dimming using standard low-cost external components LED1LED+ LED2- L1 T5/T8/T10/T12 Lamps + C5 + C1 ZD1 R2 U1 AL9910 1 DB1 D1 D2 CX3 CX2 R1 VIN 2 CS ROSC LD 8 R3 7 C6 3 GND VDD 6 4 5 GATE PWM_D LED4R15 C4 + D4 R17 R18 Q3 SOT223 Q4 SOT223 Q5 SOT223 Q6 SOT223 R12 R13 R14 R11 Q2 + C2 R16 Q7 L3 SOT23 R9 D3 LED3- L4 GND R8 Q1 R10 R4 The LED fluorescent replacements require instant starting, high-efficiency energy saving, long life span, flexible voltage (110~277VAC ), flicker-free lighting and low to moderate LED power. For high LED count systems, AL9910/-5/A permit a greater flexibility of LED string composition, at lower cost implementation to expand to multiple strings. THE DIODES ADVANTAGE C3 R5 R6 R7 AL9910-5 Benefits Simple, multi-channel non-isolated LED driving Uses low-cost standard component to drive multiple low-current LED chains ideally suited to T5/T8/T10/T12 LED lamps Exposed pad SO-8 and standard SO-8 Improved power dissipation reduces temperature rise Improved reliability over standard solutions Over-temperature protection Increases reliability of lamps 500V maximum input voltage Exceeds requirements for 277VAC main voltages 5% Vcs tolerance Improves LED current accuracy providing better inter-lamp matching Page 5 Medium Voltage DC-DC LED Drivers Y 6.5 60 Ext MOSFET 2 Y Y Y 5 60 Ext MOSFET 2 Y Y Y 6.5 60 60 1.5 Y — — 6 60 60 1 Y ZXLD1371 Y ZXLD1374 ZXLD1366 PWM Analog kHz % °C mV AEC-Q100 Grade LED Current Accuracy Y ZXLD1370 Sense Voltage Maximum LED Current % Operating Temperature Range Maximum Output Voltage A Efficiency Maximum Input Voltage V Maximum Switching Frequency Minimum Input Voltage V Dimming Buck-Boost V Part Number Buck Boost Topologies Available Packages Y 1000 97 -40 to +125 225 1 TSSOP-16EP Y Y 1000 97 -40 to +125 225 1 TSSOP-16EP 2 Y Y 1000 97 -40 to +125 225 1 TSSOP-20EP 1 TSOT25 2.5 Y Y 500 95 -40 to +125 200 — DFN3030-6 1 SO-8EP AP8802H Y — — 8 60 60 1 5 Y Y 600 95 -40 to +125 200 — SO-8EP ZXLD1362 Y — — 6 60 60 1 5 Y Y 1000 95 -40 to +125 100 1 TSOT25 ZXLD1356 Y — — 6 60 60 0.55 2.5 Y Y 1000 97 -40 to +125 200 AP8802 Y — — 8 48 48 1 8 Y Y 500 92 -40 to +105 AP8801 Y — — 8 48 48 0.5 8 Y Y 500 92 AL8806 Y — — 6 36 36 1.5 5 Y Y 1000 AL8805 Y — — 6 36 36 1 5 Y Y AL8807 Y — — 6 36 36 5 Y AL8807A Y — — 6 36 36 5 ZXLD1360 Y — — 7 30 30 1 ZXLD1350 Y — — 7 30 30 ZXLD1352 Y — — 7 30 AP8800A Y — — 8 AP8800 Y — — 8 Page 6 1 TSOT25 — DFN3030-6 200 — SO-8, SO-8EP, DFN3030-10 -40 to +105 200 — SO-8, MSOP-8 98 -40 to +125 100 — MSOP-8EP 1000 98 -40 to +125 100 — SOT25 Y 1000 98 -40 to +125 100 — N Y >10:1 700 98 -40 to +125 100 — 5 Y Y 1000 95 -40 to +125 100 1 TSOT25 0.38 5 Y Y 1000 95 -40 to +105 100 2 TSOT25 30 0.38 5 Y Y 1000 97 -40 to +105 100 2 TSOT25 28 28 0.37 5 Y Y 600 92 -40 to +105 100 — TSOT25 28 28 0.35 7 Y Y 600 92 -40 to +85 100 — SO-8, MSOP-8, DFN3030-10 1 1.3 1 1.3 SOT25 MSOP-8EP SOT25 (4Q12) MSOP-8EP Simple versatile solutions for LED driving THE DIODES ADVANTAGE Medium Voltage DC-DC LED Drivers Product Benefits Simple solutions for driving multiple 1W and 3W LEDs in a variety of lighting applications Equal ripple output current (hysteretic) Very simple design—only four external components required Good stability—requires no external compensation PWM and Analog dimming Versatile dimming; Analog for thermal and PWM for brightness control ZXLD135x/6x in common footprint High-power density, small footprint solution 1W LEDs: ZXLD135x 3W LEDs: ZXLD136x AEC-Q100 qualified AP/AL880x range provides cost-effective solutions in standard packages SO-8/EP, MSOP-8/EP, SOT25, DFN3030-10 ZXLD137x multi-topology hysteretic LED drivers Supports high-performance buck, boost and buck-boost LED driver solutions Medium Voltage Applications: General Illumination VIN LED Lamp Solution for Refrigerators VIN CTRL R1 SET C1 C2 D1 AP8802H C3 Key Products AP8802H DFLS240L GND D1 L1 GND LED lamps are good solutions for commercial refrigerators because they provide uniform illumination, can operate from safe low voltages, and do not have start-up issues at low temperatures. The AP8802H provides a small footprint solution for commercial refrigeration—requiring a minimum of four external components while driving 12 LEDs in series from a 48V rail. The device CTRL pin provides lamp dimming for advanced illumination options. THE DIODES ADVANTAGE SW AP8802H Benefits The AP8802H provides a simple, cost-effective solution for commercial refrigeration applications Operating voltage range up to 60V with -40˚C ≤ TA ≤ +125˚C Up to fifteen LEDs can be connected in series; higher power can be delivered without reduction in lumens at low temperature LED current can be up to 1A Drives both 1W and 3W LED systems Up to 700kHz switching frequency Small, cost-effective inductor and capacitor can be used 5% initial average LED current accuracy Meets accuracy requirements of most lighting applications at a cost-effective price and improves inter-channel matching Page 7 Medium Voltage Applications: General Illumination L2 VIN MR16 LED Lamp Solution D3 CTRL D2 P1 R1 SET C1 C2 C3 Key Products D1 AL8807W5 C4 P2 D4 AL8807W5 DFLS240L D1/2/3/4/5 D5 L1 GND MR16 lamps require a high-reliability, smallfootprint solution. These lamps frequently use different combinations of LEDs, ranging from three 1W LED to one 3W LED. The AL8807W5 provides a cost-effective solution for driving multiple 1W and 3W LEDs in 12VAC and 24VAC powered lamps. THE DIODES ADVANTAGE SW AL8807W5 Benefits The AL8807W5 provides a simple, cost-effective solution for general illumination LED lamps 36V 1A LED drive capability Drives multiple 1W and 3W LED in series, providing cost-effective solutions for MR16 5% initial average LED current accuracy Cost-effective solution meets accuracy requirements of most lighting applications and improves inter-channel matching High switching frequency up to 1MHz Small inductance value and size reduces solution size Small footprint SOT25 uses only four external components High power density, small PCB footprint solution L2 VIN High-Power MR16 Lamps D3 CTRL D2 P1 R1 SET C1 C2 C3 Key Products D1 AL8807MP C4 P2 D4 D5 AL8806 AL8807MP DFLS240L D1 DFLS240L D1/2/3/4/5 L1 GND High-power MR16s are stretching the power density capability of the MR16 form factor and its ability to get heat out. The AL8806 (1.5A) and AL8807MP (1.3A) with their 36V capability provide cost-effective solutions for high power MR16 lamps from 12VAC/DC and 24VAC/DC supplies. Page 8 THE DIODES ADVANTAGE SW AL8807MP Benefits 36V 1.3A LED drive capability Drives up to eight SxP connected LED → cost effective solution for 12VAC/DC systems Small footprint MSOP-8EP package Delivers the power 5% initial average LED current accuracy Meets most lighting requirements Simple PWM and Analog dimming on CTRL pin Provides flexible scheme to users with different dimming methods High-switching frequency up to 1MHz Small inductance value reduces solution size Medium Voltage Applications: General Illumination 3.3V 3.3V DC/DC LED Lamp Solution for Street Lights PWM Dimming µC 48V n 1 60V LED driver 60V LED driver 48V AC/DC PSU ZXLD1356 ZXLD1362 ZXLD1366 ZXLD1370 AP8802H ZXLD1356 ZXLD1362 ZXLD1366 ZXLD1370 AP8802H 12 12 Many high-power lamps utilize multiple serial channels of LEDs in parallel. The ZXLD1366EN8 offers 2.5% accuracy, providing a simple solution for these high-power lamps by maintaining close matching between the parallel serial chains. THE DIODES ADVANTAGE LED Street Lamp Architecture ZXLD1366 Benefits The ZXLD1366EN8 provides a simple, cost-effective solution for streetlight and high bay lighting applications Operating voltage range up to 60V and +125ºC Up to fifteen LEDs can be connected in series so that higher output power can be delivered without reduction in lumens at low temperature 2.5% initial average LED current accuracy Meets accuracy requirement of most lighting applications and improves inter-channel matching Supports up to 1A LED current Good match for 3W LED systems Low thermal impedance exposed pad SO-8EP package Reduces junction temperature for increased long-term reliability R1 LED Lamp Solution for Wall Washers L1 VAUX C1 ADJ REF R4 THE DIODES ADVANTAGE RGI2 The ZXLD1370 LED driver-controller in boost mode offers simple, single-sense resistor brightness control with simple Analog and PWM dimming. ISM PWM GI RGI2 Drive long chains of low-current, high-brightness LEDs in series. VIN TADJ SHP TH1 ZXLD1370 NC GATE SD1 B1100 Q1 ZXMN10A09 FLAG STATUS SGND PGND COUT C2 100pF ZXLD1370 Benefits ZXLD1370 boost LED driver-controller provides a simple, cost-effective solution to wall washers 6V to 60V input voltage range Operates from standard 12, 24 and 48V rails ZXLD1370 boost LED driver-controller External FET determines LED chain length → increased versatility 2% LED current setting accuracy Improved matching between channels Single-sense resistor brightness control in boost mode Simple LED current control Page 9 Low Voltage DC-DC LED Drivers Operating Temperature Range Quiescent Current 0.15 SO-8 19 N 94 -40 to +85 0.2 SOT25 — 19 Y 94 -40 to +85 0.2 SOT25 0.08 160 — N 80 -40 to +85 — SOT23 Ext BJT Ext BJT 200 300 Y 85 -40 to +85 0.22 SOT26 8 Ext BJT Ext BJT 200 300 Y 85 -40 to +85 0.22 SOT26 1.8 8 Ext BJT Ext BJT 200 300 N 85 -40 to +85 0.22 SOT26 Y 1.8 8 Ext BJT Ext BJT 200 300 Y 85 -40 to +85 0.22 MSOP-8 — — 5 20 20 1.5 600 100 Y 85 -40 to +85 1.5 DFN4030-14 — — Y 1.2 12 20 1 600 100 Y 85 -40 to +85 1.5 DFN4030-14 ZXLD1322 — Y — 2.5 15 20 0.7 600 100 Y 85 -40 to +85 1.5 DFN4030-14 ZXLD381 — — Y 0.9 2.2 20 0.32 350 — N 85 -40 to +85 — SOT23 ZXLD383 — — Y 0.9 3.3 20 0.05 330 — Y 85 -40 to +85 4 TSOT25 V V V A kHz mV Enable Pin — Y 0.93 3.5 Ext BJT Ext BJT 200 730 — Y 0.8 8 Ext BJT Ext BJT — — — Y 0.8 8 Ext BJT Ext BJT ZXSC380 — — Y 0.8 6 20 ZXSC400 — — Y 1.8 8 ZXSC410 — — Y 1.8 ZXSC420 — — Y ZXSC440 — — ZXLD1320 Y ZXLD1321 Device Buck Current Sense Voltage -40 to +85 Switching Frequency 82 Maximum LED Current N Maximum Output Voltage Available Packages Maximum Input Voltage mA Minimum Input Voltage °C Boost % Buck-Boost Efficiency Topologies ZXSC100 — ZXSC300 — ZXSC310 THE DIODES ADVANTAGE Versatile low-voltage LED drivers Page 10 Product Benefits Simple, low-voltage LED drivers capable of operating from as low as 0.8V Boost controllers External transistor sets maximum LED current and chain voltage for increased versatility Boost drivers Targeted for small footprint, low-current LED solutions 0.8V minimum input voltage Operates over whole life of 1-cell, maximizing LED lamp run time ZXLD132x buck, boost and buck-boost LED drivers Integrated 2A switch in a small footprint DFN4030 package Low Voltage Applications: Portable Lighting 2-Cell Flashlight L1 VIN C1 D1 Vcc DRIVE Q1 C2 ZXSC310 STDN Isense GND Due to the cost-sensitive nature of flashlights, a simple low-cost solution with long running time is beneficial. The ZXSC310 low-voltage boost controller provides such a solution. It operates with constant off-time and peak current switching topology. This reduces the average LED current automatically as the battery voltage is reduced, extending the flashlight run-time with only a small change in brightness. THE DIODES ADVANTAGE R1 ZXSC310 Benefits Simple solutions for 1- and 2-cell flashlights increase operating life 0.9V minimum operating voltage Operates through whole life of 1- and 2-cell flashlights LED current set by input voltage and current through R1 LED current is reduced as the battery voltage decreases, increasing lamp run-time RED C2 R3 D1 M_LOAD VIN VREF L1 ISENSE CFB BIAS ADJ EMITTER2 ZXLD1320 TADJ EMITTER1 Portable LED Projector COLLECTOR1 COLLECTOR2 R2 High-efficacy LEDs enable long operating life in portable projectors. Common-anode connected RGB LEDs are used to reduce wiring and ensure low thermal impedances for the LED. This requires the use of four high-efficiency, low-voltage LED drivers. The ZXLD1320 LED driver can supply 1.5A in common anode configuration, offering a small footprint, high power-density solution to RGB common-anode portable projectors. THE DIODES ADVANTAGE C1 R1 POK Exposed Tab x4 (Repeated for Green, Green and Blue LEDs for RGGB lamps) ZXLD1320 Benefits Simple, small-footprint solution for Li-Ion powered 4W LED lit portable LED projectors 5V to 20V input voltage range Operates from two to three Li-Ion cells 1.5A output current Drives 4W LEDs High-efficiency buck LED driver Drives one 4W LED from one Li-Ion cell or two 4W LEDs from two Li-Ion cells High power dissipation DFN4030-14 package Maintains high LED drive at higher ambient temperatures Page 11 Low Voltage Applications: Signage and Display VIN Single-Cell Emergency Lighting R3A C2 U1 12 R4 ADJ CFB 3 5 6 EMITTER2 ZXLD1321 TADJ 2 C1 THE DIODES ADVANTAGE L1 D1 COLLECTOR1 COLLECTOR2 NC 9 8 4 7 Back Contact R1 The ZXLD1321 boost LED driver with its low operating voltage range allows it to operate from single and multi-cell lead-acid/NiCd/Li-Ion batteries. Its 1A drive capability supports 1W and 3W LED applications. Z1 VREF BIAS 1 10 M_VIN M_LOAD ISENSE EMITTER1 13 VADJ 11 VIN 14 Emergency lighting applications require long run times from rechargeable batteries. JP1 R3 R2 C3 ZXLD1321 Benefits Small-footprint solution for safety-critical applications 1.2V to 12V input voltage range Operates from a single rechargeable cell 1A load current Drives 3W LEDs Boost topology Drives multiple 3W LEDs from one rechargeable cell High power dissipation DFN4030-14 package Maintains high LED drive at higher ambient temperatures Low Voltage Applications: General Illumination Simple Solar Exterior Lights ENA Solar Cell Array GND NC 1 2 5 VCC L1 ZXLD383 3 4 VOUT NIMH 1.2V LED Cost and run-time are important factors for solar powered exterior lamps. The ZXLD383 has been developed to meet these requirements. Its 0.9V minimum operating voltage coupled with its 85% efficiency extends system operating life. The ZXLD383 offers a simple and elegant solution requiring only the LED, inductor and a solar cell, eliminating one diode from the system. Page 12 THE DIODES ADVANTAGE ZXLD383 Benefits Simple boost and buck-boost LED driver solution requiring only one external component plus LEDs Single-cell operation (0.9V minimum) 85% efficiency Increased operating time at night Simple flexible LED driving Requires only the inductor and LED Low saturation voltage-switching transistor Improved efficiency Dual function enable input Inhibits operation and prevents discharging the rechargeable solar cell during darkness Maximum Supply Voltage Max VOUT LED Current Sense Voltage Output Current LED Current Accuracy Frequency Efficiency Topology V V V V mA mA % kHz % Dimming AL8400 Linear Controller 2.2 18 18 0.2 15 external transistor 3 — — — DLD101 Linear Driver — 50 100 0.65 1000 1000 — — — AL5801 Linear Driver 4.5 50 100 0.65 350 350 — — — AL5802 Linear Driver 4.5 30 30 0.65 120 120 — — — Temperatue Range Part Number Minimum Supply Voltage Linear LED Drivers °C Available Packages -40~to +125 SOT353 — -40~to +85 DFN3030D-8 — -40~to +85 SOT26 PWM -40~to +125 SOT26 AL5811* Linear Driver 3.5 60 60 0.5 75 75 3 — — — -40~to +125 MSOP-8EP U-DFN3030-6 AL5812 Linear Driver 3.5 60 60 0.5 150 150 3 — — — -40~to +125 MSOP-8EP U-DFN3030-6 THE DIODES ADVANTAGE *AL5811 due for release in 4Q 2012. Diodes Linear LED Driver Benefits Small footprint packages High power density, small PCB footprint solution AL8400—200mV sense voltage Reduces voltage overheads → more LED driven off any rail and reduces power dissipation AL5811, AL5812, AL8400—3% initial average LED current accuracy Meets accuracy requirements at cost-effective price Simple VBE LED current reference voltage DLD101, AL5801 and AL5802 provide constant current LED drive, which automatically reduces LED current at high temperatures Linear LED Lighting Applications Signs AL8400 CIN LED letters RB VCC OUT + FB M1 CL Drive overhead Z1 GND E1 RSET Letter signs using LEDs provide a more efficient, reliable and longer lifetime alternative to traditional neon letters. The ability to drive long lines of low current LEDs at a low solution cost is essential The AL8400 provides a versatile cost-effective solution to LED letter signs by allowing the LED driving transistor to be optimized for the current and voltage required. THE DIODES ADVANTAGE AL8400 Benefits Small footprint SOT353 package High power density, small PCB footprint solution 200mV sense voltage Reduces voltage overheads → more LED driven off any rail and reduces power dissipation 3% initial average LED current accuracy Meets accuracy requirements at cost-effective price Open-collector output drives transistor/MOSFET Allows best choice of pass transistor for LED drive LED chain voltage and current set by external transistor/MOSFET Best pass transistor for LED chain voltage/current LED chains longer than 18V can be driven with zener clamp on VCC pin Page 13 Minimum Input Voltage Maximum Input Voltage Maximum Output Voltage Maximum LED Current LED Current Accuracy Maximum Switching Frequency Efficiency Operating Temperature Range Quiescent Current Standby Current V A % PWM Analog kHz % ºC mA μA Available Packages — — 2 18 18 Ext. 3 N N — — -40 to +125 — — SOT353 — — 7 30 30 0.35 5 Y Y 1000 95 -40 to +105 0.25 15 TSOT25 Y — — 7 30 30 0.35 5 Y Y 1000 97 -40 to +105 0.25 20 TSOT25 Y — — 6 60 60 0.35 3 Y Y 1000 97 -40 to +125 1.6 65 TSOT25 1 Y — — 7 30 30 1 5 Y Y 1000 95 -40 to +125 1.8 20 TSOT25 ZXLD1362ET5 1 Y — — 6 60 60 1 5 Y Y 1000 95 -40 to +125 1.8 65 TSOT25 ZXLD1366EN8 1 Y — — 6 60 60 1 2.5 Y Y 1000 95 -40 to +125 1.6 65 SO-8-EP ZXLD1366ET5 1 Y — — 6 60 60 1 2.5 Y Y 1000 95 -40 to +125 1.6 65 TSOT25 ZXLD1370EST16 1 Y Y Y 6.5 60 Ext. MOS Ext. MOS 2 Y Y 1000 95 -40 to +125 1.65 91 TSSOP-16EP ZXLD1371EST16 1 Y Y Y 6.5 60 Ext. MOS Ext. MOS 2 Y Y 1000 95 -40 to +125 1.65 91 TSSOP-16EP ZXLD1374EST20 1 Y Y Y 6.5 60 60 1.5 2 Y Y 1000 95 -40 to +125 1.65 91 TSSOP-20EP ZXLD1615 3 — — Y 2.7 5.5 28 NA NA N N 1000 85 -40 to +85 0.06 1 TSOT25 AL8400SE 1 Y ZXLD1350ET5 2 Y ZXLD1352ET5 2 ZXLD1356ET5 1 ZXLD1360ET5 Dimming Buck-Boost V Buck V Part Number AEC-Q100 Grade Boost Automotive LED Drivers Automotive Lighting Applications Applications include: Daytime running lights, interior illumination, brake lights, fog lamps, door safety lights, auxiliary lighting, headlights and license plates. Interior Lamps RB VCC OUT CIN – + AL8400 FB GND Typical LED currents range from 50mA to 150mA, so linear solutions are normally used. The lamp operates directly off the battery, requiring the driver to withstand load dump as well as meeting AEC-Q100 automotive quality requirements. The AL8400 is qualified to AEC-Q100 grade 1. It is a controller which allows the external transistor to be optimized for the LED current/power dissipation providing a cost-effective solution. Its wide supply voltage range allows it to work below 9V and can withstand load dump conditions with the addition of a zener clamp diode. Page 14 THE DIODES ADVANTAGE LED lamps are increasingly being used due to their superior reliability and energy saving properties. CL E1 AL8400 Benefits Qualified to AEC-Q100 grade 1 Ambient temperature range up to +125ºC Drives external transistor Increases versatility → LED current and power dissipation set by external transistor Simple cost-effective solution M1 RSET Automotive Lighting Applications VIN RS Door Lighting C2 D1 VIN C1 ADJ I SENSE ZXLD1362 LX L1 GND Door safety lamps usually use just one high-brightness LED so a simple buck converter is typically used. The lamp operates directly off the battery, requiring the driver to withstand load dump as well as meeting AEC-Q100 automotive quality requirements. The ZXLD1362 is qualified to AEC-Q100 grade 1. Its 1A capability allows it to drive 3W LEDs while the device's 60V operating voltage withstands most load dump conditions. THE DIODES ADVANTAGE GND ZXLD1362ET5 Benefits ZXLD1362ET5 delivers a simple, small-footprint solution for automotive safety lighting 60V 1A LED drive capability Drives multiple 3W and 1W LEDs and withstands load dump 5% initial average LED current accuracy Meets accuracy requirements at a cost-effective price AEC-Q100 grade 1 with 60V capability Suitable for wide range of automotive applications Small footprint TSOT25 package requires only four external components High power density, small PCB footprint solution R1 Daytime Running Lights L1 VAUX PWM C1 VIN ISM SD1 PSD3200 GI RGI2 RGI2 ADJ REF TADJ SHP ZXLD1371 NC GATE Q1 DMN6068LK3 FLAG STATUS SGND PGND COUT Due to the variation in battery voltage and the number of LEDs used, buck-boost configurations are commonly used in daytime running lights. The ZXLD1371 LED driver used in buck-boost mode can deliver the accuracy, reliability and power drive needed for the large number of LEDs used in daytime running lights. THE DIODES ADVANTAGE C2 330pF ZXLD1371 Benefits The ZXLD1371 provides a simple, high-reliability solution for driving LED daytime running lights High accuracy LED control: 1% reference tolerance Better brightness control and matching between lamps LED thermal management via external thermistor Improves reliability of LED lamps Separate 1000:1 PWM dimming capability Improves dynamic range of dimming at lower light levels 5V minimum input voltage Supports DRL operation even during engine starting with new start/stop technology Two-pin diagnostic feedback pins Reports back to the system the status of the LED driver and load, increasing overall system reliability Page 15 Backlighting ICs and Bias Generators Quiescent Current Standby Current SW RDS(ON) % mA µA Ω Dimming OVP Soft Start 4 0.6/ 1.2/ 1.8 88 1.2 1 — SDI Y Y — -40 to +85 DFN3030-12 — 6 0.5/ 1.0/ 2.0 88 1.5 1 — SDI Y Y — -40 to +85 QFN4040-16 5.5 — 3+1 1.2 93 — 1 0.5 PWM Y Y — -40 to +85 U-DFN3030-12 2.7 5.5 — 3x3 RGB 1.2 93 — 1 0.5 PWM Y Y — -40 to +85 QFN3030-20 Charge pump 2.7 5.5 — 9 1.2 93 — 1 0.5 PWM Y Y — -40 to +85 QFN3030-20 AP5724 Boost 2.7 5.5 26 7 1.2 84 2 1 0.75 PWM Y Y 0.1 DFN2020C-6 -40 to +85 SOT26 TSOT26 AP5725 Boost 2.7 5.5 26 7 1.2 84 2 1 0.75 PWM Y Y DFN2020C-6 0.25 -40 to +85 SOT26 TSOT26 AP5726 Boost 2.7 5.5 26 7 1.2 84 2 1 0.75 PWM Y Y DFN2020C-6 0.31 -40 to +85 SOT26 TSOT26 Maximum Output Voltage MHz Maximum Input Voltage VFB Minimum Input Voltage Efficiency °C Switching Frequency V Number of Channels Operating Temperature Range LED Backlight Drivers Type V V V AP3154A Charge pump 2.7 5.5 — AP3156 Charge pump 2.7 5.5 AL3157 Charge pump 2.7 AL3158 Charge pump AL3159 THE DIODES ADVANTAGE Part Number Available Packages The Diodes Advantage Simple, small-footprint solutions for small screen backlighting and biasing High efficiency: up to 93% typical Longer battery life Fast 1.2MHz switching frequency Smaller inductor and capacitor size Inductive boost converters and multi-channel charge pumps High-efficiency, cost-effective solutions Built-in soft-start, OVP, current limit and UVLO protection Extra protection for safe operation Small footprint and low profile (as low as 0.4mm) packages Reduces PCB area and meets height constraints 30 ZXLD1615 Boost 2.7 5.5 28 Page 16 Operating Temperature Range 5.5 % µA µA Ω Dimming Soft Start 2.7 Available Packages VFB MHz OVP Boost °C SW RDS(ON) AP5727 V Standby Current V Quiescent Current V Efficiency Maximum Output Voltage V Frequency Maximum Input Voltage Type Number of LED Part Number Minimum Input Voltage LCD and OLED Bias Generators — 1.2 84 500 0.1 0.95 N N Y 1.25 -40 to +85 SOT25 — 1 85 60 1 1.75 N N N 1.25 -40 to +85 TSOT25 Small Screen Display Applications VIN 5” PND Screen 8 2.2µF CIN VIN CP 9 CN 7 VOUT AL3159 CTL1 3 CTL2 5 CTL3 4 D1 D2 D3 D4 D5 D6 D7 D8 D9 CTL1 CTL2 CTL3 PGND 1µF C1 11 D1 LED D4 LED D3 LED D2 LED D5 LED D6 LED D7 LED D8 LED D9 LED 2.2µF COUT 12 13 14 15 16 18 20 1 2 GND 6 17 Larger portable navigation device (PND) screens require more LEDs to maintain display quality in variable background light conditions. The AL3159, with its current matching accuracy, is well-suited for this requirement. The high-efficiency linear and charge-pump functionality extends the device operating life when powered from the PND’s internal Li-Ion battery. THE DIODES ADVANTAGE AL3159 Benefits The AL3159 provides a simple, cost-effective solution for small LED backlit LCD screens Up to 93% max power efficiency Increases battery life—improving talk time 1% current matching accuracy between channels Improves consistency of backlight for enhanced screen image Drives up to nine channels of LEDs Versatile solution for portable consumer electronics equipment Versatile 3-wire logic decoding of LED current control Simplifies driving and illumination of small LCD screens Thin QFN3030-20 packages requiring only three small low-profile capacitors Small, thin solution reduces size of portable LED backlighting 3” Mobile Phone Screen L1 VIN D1 CIN COUT VIN ON OFF 2 to 6 LEDs SW AP5724 EN OVP FB PWM Dimming GND RSET Large screen (>2.8”) mobile phones frequently use six LED to ensure uniform brightness across the screen. AP5724/5/6 boost LED drivers provide a high-efficiency solution for this application. The series connection of the LED ensures uniform brightness from the LEDs. The TSOT23-6 packaged versions offer industry-standard pinouts and are thinner than 1mm. THE DIODES ADVANTAGE AP5724/5/6 Benefits Simple, small-footprint solutions for small screen backlighting High efficiency: 84% typical Longer battery life Fast 1.2MHz switching frequency Smaller inductor and capacitor size Built-in OVP, current limit and UVLO protection Extra protection for safe operation Three choices of VFB (0.1, 0.25 and 0.31V) Offers extra design flexibility Low profile (<1mm) packages: TSOT23-6 and DFN2020C-6 (0.6mm) Meets height constraints of modern, thin, portable equipment Page 17 LED Driver Evaluation Boards Device Board Number Description of Assembly Package used AL3157 AL3157F-EVM Rev.1 3-channel backlight + 1-channel flashlight white LED charge pump LED driver U-DFN3030-12 AL3158 AL3158FSG-EV-RGB 3 x 3-channel RGB backlight LED charge pump LED driver QFN3030-20 AL3159 AL3159FSG-EVM Rev.1 9-channel backlight white LED charge pump LED driver QFN3030-20 AL5802 AL5802EV1 30V, adjustable current sink linear LED driver, preset for 20, 50 or 100mA LED current SOT26 AL8400 AL8400EV1 18V simple LED driver-controller evaluation board SOT353 AL8805 AL8805EV1 36V, 1A buck LED driver, 660mA, control input, no onboard LEDs SOT25 AL8805 AL8805EV2 MR16 replacement, external 3W LED, VIN = 12VAC 50/60Hz or 12VDC 660mA SOT25 AL8806 AL8806EV4 36V, 1.5A buck LED driver, 1.5A LED current, control input, no onboard LEDs MSOP-8EP AL8806 AL8806EV6 MR16 replacement, external LED, VIN = 12VAC 50/60Hz or 12VDC 1.1A LED current MSOP-8EP AL8807 AL8807EV2 MR16 replacement, external LED, VIN = 12VAC 50/60Hz or 12VDC 660mA LED current SOT25 AL8807 AL8807EV3 36V, 1.3A buck, LED driver, 1.3A LED current control input, no onboard LEDs MSOP-8EP AL8807 AL8807EV4 MR16 replacement, external LED, VIN = 12VAC 50/60Hz or 12VDC 1.1A LED current MSOP-8EP AL9910 AL9910EV4 Non-isolated universal AC supply driving 14 to 18 LEDs at 180mA (PLED ~ 7 to 10W) SO-8 AL9910 AL9910EV5 Non-isolated universal AC supply driving 14 to 18 LEDs at 240mA (PLED ~ 10 to 13W) SO-8 AL9910 AL9910EV6 110VAC isolated supply LED driver SO-8EP AL9910A AL9910EV7 Triac dimmable, E27/A19, 110VAC evaluation board SO-8 SO-8 AL9910 AL9910EV8 Non-dimmable, E27/A19, 110VAC evaluation board AL9910A AL9910EV9 Triac dimmable, E27/A19, 230VAC evaluation board SO-8 AL9910 AL9910EV12 Non-dimmable, E14/B10, 85 to 230VAC evaluation board SO-8EP AP3156 AP3156FVG-EV 6-channel backlight LED driver, charge pump, VIN =2.7V to 5.5V DFN4040-16 AP5724 AP5724-EV Boost backlight LED driver 1.2MHz, 2.7V to 5.5V input, 100mV feedback SOT26 AP5727 AP5727-EV Boost LCD and OLED bias generator 1.2MHz, 2.7V to 5.5V input, 1.25V feedback SOT25 AP8800 AP8800EV2 Buck LED driver, VIN = 8V to 28V, 300mA, control input, no onboard LEDs MSOP-8 AP8801 AP8801EV2 Buck LED driver, VIN = 8V to 48V, 460mA, control input, no onboard LEDs MSOP-8 AP8802 AP8802EV2 Buck LED driver, VIN = 8V to 48V, 1A, control input, no onboard LEDs SO-8 AP8802H AP8802HEV2 Buck LED driver, VIN = 8V to 60V, 1A, control input, no onboard LEDs SO-8EP DLD101 DLD101EV1 High-voltage linear LED driver DFN3030D-8 ZXLD1320 ZXLD1320EV1 Buck LED driver, 500kHz PFM, VIN = 5V to 18V, 1.5A output, + ext. thermistor DFN4030-14 ZXLD1321 ZXLD1321EV1 Boost LED driver, 550kHz PFM, VIN = 1.2V to 12V, 1A output, + ext. thermistor DFN4030-14 ZXLD1322 ZXLD1322EV1 Buck-boost LED driver, 550kHz PFM, VIN = 2.5V to 15V, 0.7A output, + ext. thermistor DFN4030-14 ZXLD1350 ZXLD1350EV3 Buck LED driver, VIN = 12V to 30V, 3 Cree LEDs at 300mA, + adjust input TSOT25 ZXLD1350 ZXLD1350EV4 Buck LED Driver, VIN = 12V to 30V, 3 Osram LEDs at 300mA, + adjust input TSOT25 ZXLD1350 ZXLD1350EV7 Buck LED Driver, VIN = 12V to 30V, 3 Lumiled LEDs at 300mA + adjust input TSOT25 ZXLD1356 ZXLD1356EV1 LED driver, buck, VIN = 7V to 60V, external LED, 0.55A output FR4 PCB TSOT TSOT25 ZXLD1360 ZXLD1360EV13 MR16 replacement, external 3W LED, VIN = 12VAC or 12VDC nominal, 660mA TSOT25 ZXLD1362 ZXLD1362EV3 LED driver, buck, VIN = 7V to 60V, external LED, 700mA output aluminium PCB TSOT25 ZXLD1366 ZXLD1366EV3 LED driver, buck, VIN = 6V to 47V, external LED, 1A output FR4 PCB SO-8EP ZXLD1370 ZXLD1370EV2 Buck-boost and boost LED driver-controller, VIN = 6.5V to 60V, flag, status outputs TSSOP-16EP ZXLD1370 ZXLD1370EV3 Buck LED driver-controller, VIN = 6.5V to 60V, high current, FR4 PCB flag, status outputs TSSOP-16EP ZXLD1371 ZXLD1371EV4 Buck LED driver-controller, VIN = 5.0V to 60V, FR4 PCB flag, status outputs TSSOP-16EP ZXLD1371 ZXLD1371EV5 Buck-boost LED driver-controller, VIN = 5.0V to 60V, flag, status outputs TSSOP-16EP ZXLD1371 ZXLD1371EV6 Boost LED driver-controller, VIN = 5.0V to 60V, flag, status outputs TSSOP-16EP ZXLD1374 ZXLD1374EV1 Buck LED driver, VIN = 6V to 60V, 1.5A output FR4 PCB, flag, status outputs TSSOP-20EP ZXLD1374 ZXLD1374EV2 Buck-boost and boost LED driver, VIN = 6V to 60V, 350mA output. flag, status outputs TSSOP-20EP ZXLD1615 ZXLD1615EV1 Boost LCD and OLED Bias Generator, VIN = 2.5V to 5.5V, VOUT = 12V, 80mA TSOT25 ZXLD381 ZXLD381EV1 Single or multi-cell boost LED driver, VIN = 0.9VMIN SOT23 ZXLD383 ZXLD383EV1 Boost LED driver for garden lights VIN = 0.9VMIN solar cell connection SOT25 ZXSC310 ZXSC310EV(1) Boost LED driver, VIN = 3.3V to 5V, 4 white LEDs SOT25 ZXSC380 ZXSC380EV1 Boost LED driver, VIN = 1V to 3V (single cell), white LED at 18mA, rectangular board SOT23 ZXSC400 ZXSC400EV1 LED driver, boost, VIN = 2.5V to 4.2V, 3 LEDs Nichia NSCW215, at 20mA SOT26 For further information and to get an Evaluation Board visit www.diodes.com or contact a Diodes' Sales Office. Page 18 Drivers for Industry-Standard LEDs Everlight LumiLEDs Max Current AL8805 1000 AP8806 1500 AP8807 1000 AP9910 Mega Zenigata Mini Zenigata 37V 19.6V 13.1V Y Y Y Y Y Y Y Y Y Y Y Y Y Ext MOS Y Y Y Y Y Y Y Y Y AP8800A 370 AP8801 500 Y AP8802 Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 1000 Y Y Y Y Y Y Y Y Y Y Y Y AP8802H 1000 Y Y Y Y Y Y Y Y Y Y Y Y AP8803 1000 Y Y Y Y Y Y Y Y Y DLD101 1000 Y Y Y Y Y Y ZXLD381 Y Y Y Y ZXLD383 Y Y Y ZXLD1320 1500 ZXLD1321 Zenigata A09K LUXEON Altilon LUXEON Rebel LUXEON S LUXEON A LUXEON C LUXEON H Diamond Dragon Platinum Dragon OSTAR OSLON Golden Dragon Plus TopLED Top View Z2 Z5 P3-II Z7 P9 SAE D.Dome Shuen and Shuo Yi HV Series XLamp XP-E XLamp XR-E XLamp XR-C XLamp XP-C XLamp MPL-EZW XLamp MT-G LED Driver Sharp 1100 185 700 700 500 350 150 20 20 700 700 350 150 1000 700 700 700 350 30 1400 700 350 350 350 30 60/100 350 350 350 1400 150 20 220 700 400 480 520 360 640 Diodes Products Nominal LED current (mA) Seoul Semiconductor 6V 36V 3.2V 3.5V 3.6V 3.4V 25V 50V 100V 7.8V 4.05V 3.5V 3.5V 7.5/14.5V 3V 27V 2.88V 2.95V 50V 3.4V 3.45V 3.2V 3.2V 3.2V 3.4V 3.2V 10V 3.3V 3.5V 3.3V 3.65V 3V 3.05V LEDs Osram 10.2V Cree Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 700 Y Y Y Y Y Y Y Y ZXLD1322 700 Y Y Y Y Y Y Y Y ZXLD1350 380 Y Y Y ZXLD1352 380 Y Y Y ZXLD1356 550 Y Y Y ZXLD1360 1000 ZXLD1362 1000 Y Y Y Y Y Y Y Y Y Y Y Y ZXLD1366 1000 Y Y Y Y Y Y Y Y Y Y Y Y Y ZXLD1370 Ext MOS Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y ZXLD1371 Ext MOS Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y 1500 ZXSC310 Ext BJT Y ZXSC380 80 Y ZXSC400 Ext BJT Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y ZXLD1374 Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Page 19 CORPORATE HEADQUARTERS AND AMERICAS SALES OFFICE 4949 Hedgcoxe Road Suite 200 Plano, Texas 75024 972-987-3900 USA E-mail: [email protected] EUROPE SALES OFFICE Kustermann-Park Balanstrasse 59, 8th Floor D-81541 Munchen, Germany Tel: (+49) 89 45 49 49 0 E-mail: [email protected] ASIA SALES OFFICES Email: [email protected] DIODES-TAIWAN 7F, No. 50, Min-Chuan Road Hsin-Tien District, New Taipei City 23141, Taiwan, R.O.C. Tel: 011-886-2-8914-6000 SHANGHAI OFFICE Room 3001-3002, International Corporate City, No. 3000 Zhongshan North Road, Shanghai 200063, China Tel: 86 21-5241-4882 SHENZHEN OFFICE Room A1103-04, ANLIAN Plaza, #4018 Jintian Road, Futian CBD, Shenzhen, China Tel: 86 755-88284988 DIODES-KOREA 1601 ho, ParkView Tower Jeongja 1 dong, Bundang-gu Seongnam-si, Gyeonggi-do, Korea 463-811 Tel: 82-31-786-0434 For information or literature, please visit www.diodes.com/contacts LED 3 | Oct 2012 www.diodes.com