A708YFT ADDtek Corp, A708YFT Datasheet
A708YFT
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A708YFT Summary of contents
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... Note: The letter ”F” is marked for Lead Free process, and letter “T” is marked for Tape & Reel. Copyright © 2007 ADDtek Corp. LED1 LED2 LED3 A708 GND ORDER INFORMATION Plastic TSOT-26 6-pin A708YFT HANNELS A C DVANCED URRENT FEATURES Fixed 20mA DC constant sink current. ...
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... Ambient temperature, θ Power Dissipation The θ numbers are guidelines for the thermal performance of the device/PC-board system. JA All of the above assume no ambient airflow. VDD EN Copyright © 2007 ADDtek Corp. ABSOLUTE MAXIMUM RATINGS J POWER DISSIPATION TABLE ≦25° ≧ ...
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... Line Regulation Supply Current Standby Supply Current Note 1: LED Dropout Voltage: 90% × I LEDn Note 2: I (max)-I (average) and I LEDn LEDn LEDn Copyright © 2007 ADDtek Corp. PIN DESCRIPTION RECOMMENDED OPERATING CONDITIONS Symbol LED T A ELECTRICAL CHARACTERISTICS =25°C, (Unless otherwise noted) ...
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... Output Current vs. Supply Voltage 21.00 20.50 20.00 19.50 19.00 0.0 5.0 Supply Voltage (V) Output Current vs. Dropout Voltage 25.00 20.00 15.00 10.00 5.00 0.00 10 100 Dropout Voltage (mV) Copyright © 2007 ADDtek Corp. CHARACTERISTIC CURVES 21.0 20.5 20.0 V =3.3V 19 =0.2V DROP T =25 ℃ A 19.0 10.0 15.0 - =3. =3. =25 ℃ 1,000 10,000 10 4 Output Current vs. Temperature DROP ...
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... Inductive Boost type or Capacitor Charge Pump type LED driver. The system efficiency, defined as the ratio between the LEDs power and the input supplied power, is: × I Efficiency = (V F1 LED1 Where the forward voltage of LED. F Copyright © 2007 ADDtek Corp. APPLICATION INFORMATION VDD V DD ...
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... LED is 3.2V at 20mA, the Li-ion battery can discharge until output voltage reaches 3.275V (normally around power left in the battery). When Li-ion battery voltage is lower than the 3.275V, the LED current (brightness) will start to decrease. Copyright © 2007 ADDtek Corp the range of 2.9V to 3.5V at 20mA current. The supply F ...
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... Surface Mount TSOT- Copyright © 2007 ADDtek Corp. PACKAGE θ θ1 4x θ MILLIMETERS SYMBOLS MIN TYP A --- --- A1 0.00 0.05 A2 0.84 0.87 b 0.35 0.40 C 0.10 0.125 D 2.70 2.90 E 2.60 2.80 E1 1.40 1.60 e --- 0.95 e1 --- 1.90 L 0.30 0.40 L1 0.5 0.6 θ 0° 4° θ1 4° 10° DD076_A -- AUGUST 2007 A708 MAX 1.00 0.10 0.90 0.50 0.15 3.10 3.00 1.80 --- --- 0 ...
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... ADDtek assumes to no liability to customer product design or application support. ADDtek warrants the performance of its products to the specifications applicable at the time of sale. ADDtek Corp. 9F, No. 20, Sec. 3, Bade Rd., Taipei, Taiwan, 105 TEL: 2-25700299 FAX: 2-25700196 Copyright © 2007 ADDtek Corp. IMPORTANT NOTICE 8 A708 DD076_A -- AUGUST 2007 ...