1.5A Low Dropout Linear Regulator LD1086 Series 1.5A Low Dropout Linear Regulator General Description • The LD1086 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 1.5A of load current. • The LD1086 series is available in 1.5V, 1.8V, 2.5V, 3.0V, 3.3V and 5.0V versions. The fixed versions integrate the adjust resistors. It is also available in an adjustable version which can set the output voltage with two external resistors. • The LD1086 series features on-chip thermal shutdown. It also includes a band gap reference and a current limiting circuit. • The LD1086 series is available in standard packages of DPAK(TO-252-2), D2PAK(TO-263-3), TO-220 and SOT-223. DPAK (TO-252-2) D2PAK (TO-263-3) Features • • • • • • • • Low dropout voltage: 1.3V typical at 1.5A Current limiting and thermal protection Output current: 1.5A Current limit: 2.3A Operation junction temperature: 0 to 125°C Line regulation: 0.015% typical Load regulation: 0.1% typical RoHS compliant and halogen free Applications • • • • • • • • • SOT-223 High Efficiency Linear Regulator Battery Chargers Post Regulation for Switching Supply Microprocessor Supply Motherboard Power Supply Cable and ADSL Modem DVD-Video Player Telecom Equipment Set Top Boxes and Web Boxes Modules’ Supply TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Tel: Fax: TO-220 (800)-TAITRON (800)-824-8766 (800)-TAITFAX (800)-824-8329 (661)-257-6060 (661)-257-6415 Rev. A/JH Page 1 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Ordering Information LD1086 Circuit Type Io=1.5A Outline D: DPAK(TO-252-2) MC: D2PAK-2(TO-263-2) T: TO-220 H: SOT-223 □□ - □□□ - 08 - □□□□ Packing Code TU: Tube, RoHS UG: Tube, RoHS&HF TR30: 13” Reel, RoHS RG30: 13” Reel, RoHS&HF Factory Location Code Output Voltage ADJ: Adjustable Output 1.5: Fixed Output 1.5V 3.0: Fixed Output 3.0V 1.8: Fixed Output 1.8V 3.3: Fixed Output 3.3V 2.5: Fixed Output 2.5V 5.0: Fixed Output 5.0V Pin Configuration 1: GND/ADJ 2: OUTPUT 3: INPUT DPAK(TO-252-2) 1: GND/ADJ 2: OUTPUT 3: INPUT TO-220 1: GND/ADJ 2: OUTPUT 3: INPUT D2PAK(TO-263-3) 1: GND/ADJ 2: OUTPUT 3: INPUT SOT-223 Rev. A/JH www.taitroncomponents.com Page 2 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Block Diagram Rev. A/JH www.taitroncomponents.com Page 3 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Absolute Maximum Ratings (Note 1) Symbol TJ Description Operating Junction Temperature TSTG Storage Temperature Range TLEAD Lead Temperature (Soldering, 10 sec.) θJA θJC ESD Junction-to-Ambient Thermal Resistance (Note 2) Junction-to-Case Thermal Resistance (Note 2) Ratings Unit 150 °C -65 ~ +150 °C 260 °C DPAK(TO-252-2) 100 D2PAK (TO-263-3) 60 TO-220 60 SOT-223 120 DPAK(TO-252-2) 12.81 D2PAK (TO-263-3) 7.22 TO-220 7.22 SOT-223 19.35 ESD (Machine Model) °C/W °C/W 400 V Note: 1. Stresses greater than 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 “Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended period may affect device reliability. 2. Absolute maximum ratings indicate limits, beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. Recommended Operating Conditions Symbol Description Min. Max. Unit VIN Input Voltage - 15 V TJ Operating Junction Temperature Range 0 125 °C Rev. A/JH www.taitroncomponents.com Page 4 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Electrical Characteristics (Unless otherwise specified, TJ=25°C) LD1086-ADJ Symbol Description VREF Reference Voltage ∆VLINE ∆VLOAD VD Min. Typ. Max. Unit 1.238 1.250 1.262 V IOUT=10mA, VIN-VOUT=2V 1.225 1.250 1.270 V 10mA≤IOUT≤1.5A,1.4V≤VIN-VOUT≤6V 0°C≤TJ≤125°C - 0.015 0.2 % IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 0.035 0.2 % IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 0.1 0.3 % 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 0.2 0.4 % 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VREF =1% 1.5 2.3 - A VIN-VOUT=2V Line Regulation Load Regulation Dropout Voltage Conditions ILIMIT Current Limit ILOAD Min. Load Current - 2 5 mA 1.4V≤VIN-VOUT≤10V, 0°C≤TJ≤125°C IQ Quiescent Current - 5 10 mA VIN= VOUT+1.3V, 0°C≤TJ≤125°C ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C IADJ Adjust Pin Current - 60 120 uA 0°C≤TJ≤125°C ∆ IADJ Adjust Pin Current Change - 0.2 5 uA 10mA≤IOUT≤1.5A,1.4V≤VIN-VOUT≤10V, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C Rev. A/JH www.taitroncomponents.com Page 5 of 20 1.5A Low Dropout Linear Regulator LD1086 Series LD1086-1.5 Symbol VOUT ∆VLINE ∆VLOAD VD ILIMIT Description Min. Typ. Max. Unit 1.485 1.5 1.515 V IOUT=10mA, VIN=3.5V 1.47 1.5 1.53 V 10mA≤IOUT≤1.5A, 3V≤VIN≤10V, 0°C≤TJ≤125°C - 0.3 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 0.6 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 3 12 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 6 20 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VOUT=1% 1.5 2.3 - A VIN-VOUT=2V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Conditions IQ Quiescent Current - 5 10 mA ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C VIN= VOUT+1.3V, 0°C≤TJ≤125°C Rev. A/JH www.taitroncomponents.com Page 6 of 20 1.5A Low Dropout Linear Regulator LD1086 Series LD1086-1.8 Symbol VOUT ∆VLINE ∆VLOAD VD ILIMIT Description Min. Typ. Max. Unit 1.782 1.8 1.818 V IOUT=10mA, VIN=3.8V 1.746 1.8 1.854 V 10mA≤IOUT≤1.5A, 0°C≤TJ≤125°C 3.2V≤VIN≤10V, - 0.3 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 0.6 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 3 12 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 6 20 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VOUT=1% 1.5 2.3 - A VIN-VOUT=2V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Conditions IQ Quiescent Current - 5 10 mA ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C VIN= VOUT+1.3V, 0°C≤TJ≤125°C Rev. A/JH www.taitroncomponents.com Page 7 of 20 1.5A Low Dropout Linear Regulator LD1086 Series LD1086-2.5 Symbol VOUT ∆VLINE ∆VLOAD VD ILIMIT Description Min. Typ. Max. Unit 2.475 2.5 2.525 V IOUT=10mA, VIN=4.5V 2.45 2.5 2.55 V 10mA≤IOUT≤1.5A, 0°C≤TJ≤125°C 3.9V≤VIN≤10V, - 0.3 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 0.6 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 3 12 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 6 20 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VOUT=1% 1.5 2.3 - A VIN-VOUT=2V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Conditions IQ Quiescent Current - 5 10 mA ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C VIN= VOUT+1.3V, 0°C≤TJ≤125°C Rev. A/JH www.taitroncomponents.com Page 8 of 20 1.5A Low Dropout Linear Regulator LD1086 Series LD1086-3.0 Symbol VOUT ∆VLINE ∆VLOAD VD ILIMIT Description Min. Typ. Max. Unit 2.97 3.0 3.03 V IOUT=10mA, VIN=4.5V 2.94 3.0 3.06 V 10mA≤IOUT≤1.5A, 0°C≤TJ≤125°C 4.75V≤VIN≤10V, - 0.3 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 0.6 6 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 3 15 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 7 20 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VOUT=1% 1.5 2.3 - A VIN-VOUT=2V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Conditions IQ Quiescent Current - 5 10 mA ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C VIN= VOUT+1.3V, 0°C≤TJ≤125°C Rev. A/JH www.taitroncomponents.com Page 9 of 20 1.5A Low Dropout Linear Regulator LD1086 Series LD1086-3.3 Symbol VOUT ∆VLINE ∆VLOAD VD ILIMIT Description Min. Typ. Max. Unit 3.267 3.3 3.333 V IOUT=10mA, VIN=5V 3.235 3.3 3.365 V 10mA≤IOUT≤1.5A, 0°C≤TJ≤125°C 4.9V≤VIN≤10V, - 0.5 10 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 1 10 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 3 15 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 7 20 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VOUT=1% 1.5 2.3 - A VIN-VOUT=2V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Conditions IQ Quiescent Current - 5 10 mA ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C VIN= VOUT+1.3V, 0°C≤TJ≤125°C Rev. A/JH www.taitroncomponents.com Page 10 of 20 1.5A Low Dropout Linear Regulator LD1086 Series LD1086-5.0 Symbol VOUT ∆VLINE ∆VLOAD VD ILIMIT Description Min. Typ. Max. Unit 4.95 5.0 5.05 V IOUT=10mA, VIN=7V 4.9 5.0 5.10 V 10mA≤IOUT≤1.5A, 0°C≤TJ≤125°C 6.5V≤VIN≤10V, - 0.5 10 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V - 1 10 mV IOUT=10mA, 1.5V≤VIN-VOUT≤10V 0°C≤TJ≤125°C - 5 20 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V - 10 35 mV 10mA≤IOUT≤1.5A, VIN-VOUT=2V 0°C≤TJ≤125°C - 1.3 1.5 V IOUT=1.5A, ∆VOUT=1% 1.5 2.3 - A VIN-VOUT=2V Output Voltage Line Regulation Load Regulation Dropout Voltage Current Limit Conditions IQ Quiescent Current - 5 10 mA ∆eN RMS Noise(∆VOUT) - 0.003 - % 10Hz≤f≤10KHz, TA=25°C RR Ripple Rejection 60 75 - dB IOUT=1.5A, COUT=25uF(Tantalum) VIN-VOUT=3V, f=120Hz, 0°C≤TJ≤125°C Temperature Stability - 0.5 - % 0°C≤TJ≤125°C Thermal Shutdown - 165 - °C Junction Temperature Thermal Shutdown Hysteresis - 30 - °C VIN= VOUT+1.3V, 0°C≤TJ≤125°C Rev. A/JH www.taitroncomponents.com Page 11 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Typical Characteristics Curves Fig.2- Max Power Dissipation vs. Case Temperature Dropout Voltage (V) Max Power Dissipation (W) Fig.1- Dropout Voltage vs. Output Current Case Temperature (°C) Output Current (A) Fig.4- Dropout Voltage vs. Junction Temperature Output Voltage (V) Dropout Voltage (V) Fig.3- Output Voltage vs. Junction Temperature Junction Temperature (°C) Junction Temperature (°C) Rev. A/JH www.taitroncomponents.com Page 12 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Fig.6- Min. Load Current vs. Junction Temperature Reference Voltage (V) Min. Load Current (mA) Fig.5- Reference Voltage vs. Junction Temperature Junction Temperature (°C) Junction Temperature (°C) Fig.8- Short Circuit Current vs. Junction Temperature Adjust Pin Current (uA) Short Circuit Current (A) Fig.7- Adjust Pin Current vs. Junction Temperature Junction Temperature (°C) Junction Temperature (°C) Rev. A/JH www.taitroncomponents.com Page 13 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Fig.10- Ripple Rejection vs. Frequency Ripple Rejection (dB) Load Regulation (mV) Fig.9- Load Regulation vs. Junction Temperature Junction Temperature (°C) Frequency (Hz) Fig.12- Line Transient Response IOUT (0.4A/div), ∆VOUT (0.1V/div) IVOUT (2.5A/div),∆∆VVOUT OUT(20mV/div) (0.1V/div) IN (0.5V/div), Fig.11- Load Transient Response Time (10us/div) Time (20us/div) Conditions: VIN=4.8V, VOUT=3.3V,IOUT=0.1A to 0.75A, CIN=10uF, COUT=10uF Conditions: VIN=4.8V to 5.8V, VOUT=3.3V, IOUT=100mA, CIN=1uF, COUT=10uF Rev. A/JH www.taitroncomponents.com Page 14 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Typical Applications Rev. A/JH www.taitroncomponents.com Page 15 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Dimensions in mm(inch) DPAK(TO-252-2) Rev. A/JH www.taitroncomponents.com Page 16 of 20 1.5A Low Dropout Linear Regulator LD1086 Series D2PAK (TO-263-3) Rev. A/JH www.taitroncomponents.com Page 17 of 20 1.5A Low Dropout Linear Regulator LD1086 Series TO-220 Rev. A/JH www.taitroncomponents.com Page 18 of 20 1.5A Low Dropout Linear Regulator LD1086 Series SOT-223 Rev. A/JH www.taitroncomponents.com Page 19 of 20 1.5A Low Dropout Linear Regulator LD1086 Series Packing information Min. Packing Inner Box Packing Carton Packing Packing Type Qty. Dimensions(mm) Qty. Dimensions(mm) Qty. Dimensions(mm) Tube 80 540 4K 554x135x70 20K 575x386x165 T&R 2.5K 330x330x18 2.5K 355x340x36 25K 400x370x365 Tube 50 534 1K 554x135x70 5K 575x386x165 T&R 0.8K 330x330x18 0.8K 355x340x36 8K 400x370x365 TO-220 Tube 50 534 1K 554x135x70 5K 575x386x165 SOT-223 T&R 4K 330x330x18 8K 360x360x60 64K 520x380x390 Package DPAK (TO-252-2) D2PAK How to contact us: US HEADQUARTERS 28040 WEST HARRISON PARKAWAY, VALENCIA, CA 91355-4162 Tel: (800) TAITRON (800) 824-8766 (661) 257-6060 Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415 Email: [email protected] Http://www.taitroncomponents.com TAITRON COMPONENTS MEXICO, S.A .DE C.V. BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P. 42970 MEXICO Tel: +52-55-5560-1519 Fax: +52-55-5560-2190 TAITRON COMPONETS INCORPORATED E REPRESENTAÇÕES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP 04035-001 BRAZIL Tel: +55-11-5574-7949 Fax: +55-11-5572-0052 TAITRON COMPONETS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE METROBANK PLAZA, 1160 WEST YAN’ AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 Rev. A/JH www.taitroncomponents.com Page 20 of 20