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TLED2043IGQNR Datasheet(PDF) 3 Page - Texas Instruments |
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TLED2043IGQNR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 15 page TLED2043 4-CHANNEL WHITE LED DRIVER SLDS147C – JUNE 2002 – REVISED NOVEMBER 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram _ + AMP1 _ + _ + _ + _ + VIN1 300 K Ω (TYP) VDD(Internal) D1 S1 D2 S2 D3 S3 D4 S4 VIN1 VOUT1 VIN2 VOUT2 VIN3 VOUT3 SW FB IN+ IN– Current-Control Amplifier absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Switch input voltage: VIN1, VIN2, VIN3 (see Note 1) 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Switch output current: IOUT1, IOUT2, IOUT3 15 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amplifier input voltage, VI VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output FET drain-source voltage, VDS 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output FET drain current, ID 50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 2 and 3): GQN package 78 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . PW package 83 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond 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 under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values are with respect to the network ground terminal. 2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 3. The package thermal impedance is calculated in accordance with JESD 51-7. |
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