AP3036B
Document overview
- Manufacturer or author: Diodes Incorporated
- PDF pages: 10
Technical content
Features
Inherently Uniform LED Current High Efficiency up to 84% No Need for External Schottky Diode Output Overvoltage Protection (OVP) Fixed 1.0MHz Switching Frequency Uses Tiny 1mm Tall Inductor Requires Only 0.22µF Output Capacitor High Frequency Dimming Control Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/ Pin Assignments (Top View) SW GND FBCTRL VOUT VIN 3 4 Pin 1 Mark SOT26
Applications
Cellular phones Digital cameras LCD modules GPS receivers PDAs, handheld computers Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
Document number: DS37004 Rev. 2 - 2 2 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B Typical Applications Circuit (Note 4) 22 1F 0.22F 10 VIN SW VOUT FBGND CTRL AP3036BControl Signal L CIN COUT VIN3V Note: 4. C: X5R or X7R type dielectric, L: SUMIDA CDRH5D28R-220NC or equivalent. And, this circuit can work in full temperature. Pin Descriptions Pin Number Pin Name Function 1 CTRL Shutdown and dimming pin. Connect to 1.5V or higher to enable device; Connect to 0.4V or less to disable device; Connect to a PWM signal to achieve LEDs brightness dimming 2 VOUT Output pin. Connect to the cathode of internal Schottky diode 3 VIN Input supply pin. Must be connected to a local bypass capacitor 4 SW Switch pin. Connect to external inductor
5 GND Ground
6 FB Voltage feedback pin. The reference voltage is 200mV Functional Block Diagram R S Q 1.0MHz OSCILLATOR RAMP GENERATOR VREF DRIVER 1.25 V COMPARATOR OVP 200 mV SOFT START FB SW VOUT GND CTRL VIN
Document number: DS37004 Rev. 2 - 2 3 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B Absolute Maximum Ratings (Note 5) Symbol Parameter Value Unit VIN Input Voltage 20 V VSW SW Pin Voltage 38 V VFB Feedback Voltage 20 V VCTRL CTRL Pin Voltage 20 V θJA Thermal Resistance (Junction to Ambient, No Heatsink) 265 °C/W TJ Operating Junction Temperature +150 °C TSTG Storage Temperature Range -65 to +150 °C TLEAD Lead Temperature (Soldering, 10sec) +260 °C — ESD (Machine Model) 250 V — ESD (Human Body Model) 2000 V Note: 5. Stresses greater than those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and functional operation of the devi ce at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to Absolute Maximum Ratings for extended periods can affect device reliability. Recommended Operating Conditions Symbol Parameter Min Max Unit TOP Operating Temperature Range -40 +85 °C VIN Input Voltage 2.5 16 V VCTRL CTRL Pin Voltage — 16 V
Document number: DS37004 Rev. 2 - 2 4 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B Electrical Characteristics (@VIN = 3V, VCTRL = 3V, TA = +25°C, unless otherwise specified.) Symbol Parameter Conditions Min Typ Max Unit VIN (min) Minimum Operating Voltage — 2.5 — — V VIN (max) Maximum Operating Voltage — — — 16 VFB Feedback Voltage IOUT = 20mA, 4 LEDs 188 200 212 mV IFB FB Pin Bias Current — — 35 100 nA IQ Quiescent Current VFB = VIN, No Switching 1.6 3.1 3.9 mA ISHDN Shutdown Quiescent Current VCTRL = 0V — 45 75 µA f Switching Frequency — — 1.0 — MHz DMAX Maximum Duty Cycle — 90 93 — % ILIMIT Switch Current Limit (Note 6) D = 40% or 80% — 550 — mA VCESAT Switch VCE Saturation Voltage ISW = 250mA — 360 — mV — Switch Leakage Current VSW = 5V — 0.01 5 µA VCTRL CTRL Pin Voltage High 1.5 — — V Low — — 0.4 ICTRL CTRL Pin Bias Current — — 100 — µA VOV OVP Voltage — — 30 — V VDROP Schottky Forward Drop ID = 150mA — 0.7 — V — Schottky Leakage Current VR (Reverse Voltage) = 23V — 0.1 4 µA VR (Reverse Voltage) = 27V — — 150 t Soft Start Time — — 100 — µs θJC Thermal Resistance (Junction to Case) SOT26 — 60 — °C/W
Document number: DS37004 Rev. 2 - 2 5 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B 2 3 4 5 6 7 8 Efficiency (%) LED Numbers VIN=3.6V IOUT=20mA 0 100 200 300 400 500 400 800 1200 1600 Schottky Forward Voltage (mV) Schottky Forward Current (mA) 0 2 4 6 8 10 12 14 16 18 20 100 Shutdown Current (A) Input Voltage (V) VCTRL=0V 0 4 8 12 16 20 2.8 3.0 3.2 3.4 3.6 3.8 Quiescent Current (mA) Input Voltage (V) VFB=1.0V -40 0 40 80 120 160 100 150 200 250 300 Feedback Voltage (mV) Temperature ( O VIN=3.6V, 5 LEDs -40 0 40 80 120 160 300 400 500 600 Current Limit (mA) Temperature ( O VIN=3.6V Performance Characteristics (The WLED forward voltage (VF) is 3.45V at IF = 20mA, unless otherwise noted.) Efficiency vs. LED’s Number Schottky Forward Voltage vs. Schottky Forward Current Shutdown Current vs. Input Voltage Quiescent Current vs. Input Voltage Feedback Voltage vs. Temperature Current Limit vs. Temperature
Document number: DS37004 Rev. 2 - 2 6 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B 0 100 200 300 400 500 100 200 300 400 500 600 700 800 Saturation Voltage (mV) Switch Current (mA) VIN=VCTRL=3.6V -40 0 40 80 120 160 0.0 0.4 0.8 1.2 CTRL Voltage (V) Temperature ( O VIN=3.6V, 5 LEDs Rising Down -40 0 40 80 120 160 OVP Voltage (V) Temperature ( O VIN=VCTRL=3.6V -40 0 40 80 120 160 0.6 0.8 1.0 1.2 Operating Frequency (MHz) Temperature ( O VIN=3.6V
5 LEDs
Efficiency (%) Input Voltage (V) ILED=20mA
8 LEDs
Efficiency (%) Output Current (mA) VIN=3.6V Performance Characteristics (continued) (The WLED forward voltage (VF) is 3.45V at IF = 20mA, unless otherwise noted.) Saturation Voltage vs. Switch Current CTRL Pin Voltage vs. Temperature OVP Voltage vs. Temperature Operating Frequency vs. Temperature Efficiency vs. Input Voltage Efficiency vs. Output Current
Document number: DS37004 Rev. 2 - 2 7 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B 0 20 40 60 80 100 LED Current (mA) Duty (%) VIN=3.6V, 5 LEDs PWM Frequency=0.5kHz 0 20 40 60 80 100 LED Current (mA) Duty (%) VIN=3.6V, 5 LEDs PWM Frequency=100kHz Performance Characteristics (continued) (The WLED forward voltage (VF) is 3.45V at IF = 20mA, unless otherwise noted.) LED Current vs. Duty LED Current vs. Duty Powering On PWM Dimming Duty = 50%, 5 LEDs) Time 40s/div Time 10ms/div Output Voltage Ripple PWM Dimming (VIN = VCTRL = 3.6V, ILED = 20mA, 5 LEDs) (VIN = 3.6V, VPWM = 2.5V, fPWM = 100kHz, Duty = 50%, 5 LEDs) Time 1s/div Time 10s/div VIN 2V/div VSW 10V/div VOUT 10V/div IL 100mA/div VCTRL 2V/div VSW 10V/div VOUT 10V/div ILED 10mA/div VIN 2V/div VSW 10V/div VOUT1(AC) 100mV/div IL 100mA/div VIN 2V/div VSW 10V/div VOUT 10V/div ILED 10mA/div
Document number: DS37004 Rev. 2 - 2 8 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B
Ordering Information
PackingPackageProduct Name TR : Tape & Reel K : SOT26 G1 : Green RoHS/Green Part Number Package Temperature Range Identification Code Packing Qty. Carrier AP3036BKTR-G1 SOT26 -40°C to +85°C GHR 3000 7” Tape & Reel Note: 7. Diodes Incorporated’s IC’s Pb-free products with "G1" suffix in the part number are RoHS compliant and green. Marking Information (Top View) GHR Y W X 1 2 3 6 5 4 GHR: Identification Code Y: Year 0 to 9 (ex: 3 = 2023) W: Week: A to Z: week 1 to 26 a to z: week 27 to 52 z represents week 52 and 53 X: Internal codePin 1 Mark
Document number: DS37004 Rev. 2 - 2 9 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SOT26 SOT26 Dim Min Max Typ A1 0.013 0.10 0.05 A2 1.00 1.30 1.10 A3 0.70 0.80 0.75 b 0.35 0.50 0.38 c 0.10 0.20 0.15 D 2.90 3.10 3.00 e - - 0.95 e1 - - 1.90 E 2.70 3.00 2.80 E1 1.50 1.70 1.60 L 0.35 0.55 0.40 a - - 8° a1 - - 7° All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SOT26 Dimensions Value (in mm) C 2.40 C1 0.95 G 1.60 X 0.55 Y 0.80 Y1 3.20 Mechanical Data Moisture Sensitivity: Level 3 per JESD22-A113 Terminals: Matte Tin Plated Leads, Solderable per M2003 JESD22-B102 Weight: 0.016 grams (Approximate) D e E1 E b A2 A1 Seating Plane L c a Y1 G X Y C
Document number: DS37004 Rev. 2 - 2 10 of 10 www.diodes.com April 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AP3036B IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is fo r informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who design with Diode s’ products. Diodes’ products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of Diodes ’ products for their intended applications, (c) ensuring their applications, which incorporate Diodes’ products, comply the applicable legal and regulatory requirements as well as safety and functional-safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality co ntrol techniques, redundancy, malfunction prevention, a nd appropriate treatment for aging degradation) to minimize the risks associated with their applications. 3. Diodes assumes no liability for any application -related information, support, assistance or feedback that may be provided by Diodes from time to time. 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