ZXLD1366ET5TA Diodes Zetex, ZXLD1366ET5TA Datasheet
ZXLD1366ET5TA
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ZXLD1366E5TR
ZXLD1366E5TR
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ZXLD1366ET5TA Summary of contents
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... Inherent open-circuit LED protection • Available in Green molding (no Br, Sb) with lead free finish/RoHS compliant • Qualified to AEC-Q100 Grade 1 SO-8EP ZXLD1366EN8TC o TSOT23-5 ZXLD1366ET5TA o Applications • Low voltage halogen replacement LEDs • Automotive lighting • Low voltage industrial lighting • LED back-up lighting • ...
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Block Diagram 4.7µF Adj 3 1.25V Gnd 2 Figure 1. Pin connection for TSOT23-5 package Pin Description Name TSOT23-5 DFN3030 GND ADJ ...
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Absolute Maximum Ratings Symbol Parameter Input Voltage Voltage SENSE SENSE LX Output Voltage V LX Adjust Pin Input Voltage V ADJ Switch Output Current I LX Power Dissipation P TOT (Refer to Package thermal de-rating curve ...
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Electrical Characteristics ( Test conditions: V Symbol Parameter Internal regulator start-up threshold V SU Internal regulator shutdown threshold V SD Quiescent supply current with output off I INQoff Quiescent supply current with output I INQon switching (Note 3) Mean current ...
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Device Description The device, in conjunction with the coil (L1) and current sense resistor (R converter. Device operation (refer to Figure 1 - Block diagram and Figure 2 Operating waveforms) Operation can be best understood by assuming that the ADJ ...
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Device Description (Continued voltage SENSE voltage Coil current 0V 0.15V Comparator V input voltage ADJ 5V Comparator output 0V Figure 2. Theoretical Operating Waveforms ZXLD1366 Document number: DS31992 Rev Toff Ton ...
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Device Description (Continued) Actual operating waveforms [V IN Normal operation. Output current (Ch3) and LX voltage (Ch2) Actual operating waveforms [V IN Normal operation. Output current (Ch3) and LX voltage (Ch2) Actual operating waveforms [V IN Normal operation. Output current ...
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Typical Operating Conditions 1.100 01 LEDs 03 LEDs 1.080 05 LEDs 07 LEDs 09 LEDs 11 LEDs 1.060 13 LEDs 15 LEDs 1.040 1.020 1.000 0.980 LEDs -2% 03 LEDs 05 ...
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Typical Operating Conditions 500 450 01 LEDs 03 LEDs 400 05 LEDs 07 LEDs 350 09 LEDs 11 LEDs 300 13 LEDs 15 LEDs 250 200 150 100 100% 90% 80% 70% 60% 50% 01 LEDs ...
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Typical Operating Conditions 1.100 01 LEDs 03 LEDs 1.080 05 LEDs 07 LEDs 09 LEDs 1.060 11 LEDs 13 LEDs 15 LEDs 1.040 1.020 1.000 0.980 0.960 LEDs -2% 03 LEDs ...
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Typical Operating Conditions 500 450 01 LEDs 03 LEDs 400 05 LEDs 07 LEDs 350 09 LEDs 11 LEDs 300 13 LEDs 15 LEDs 250 200 150 100 100% 90% 80% 70% 60% 50% 01 LEDs ...
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Typical Operating Conditions 1.100 01 LEDs 03 LEDs 1.080 05 LEDs 07 LEDs 09 LEDs 1.060 11 LEDs 13 LEDs 15 LEDs 1.040 1.020 1.000 0.980 LEDs -2% 03 LEDs 05 ...
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Typical Operating Conditions 500 450 01 LEDs 03 LEDs 400 05 LEDs 07 LEDs 350 09 LEDs 11 LEDs 300 13 LEDs 15 LEDs 250 200 150 100 100% 90% 80% 70% 60% 50% 01 LEDs ...
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Typical Operating Conditions 1.100 01 LEDs 1.080 03 LEDs 05 LEDs 07 LEDs 09 LEDs 1.060 11 LEDs 13 LEDs 15 LEDs 1.040 1.020 1.000 0.980 0 10 LEDs -2% 03 LEDs 05 LEDs ...
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Typical Operating Conditions 500 450 01 LEDs 03 LEDs 400 05 LEDs 07 LEDs 350 09 LEDs 11 LEDs 300 13 LEDs 15 LEDs 250 200 150 100 100% 90% 80% 70% 60% 50% 40% 01 ...
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Typical Operating Conditions 1200 1000 800 600 400 200 0 0 800 700 600 500 400 300 Output transistor not fully enhanced 200 100 0 0 1.243 1.2425 1.242 1.2415 1.241 1.2405 1.24 1.2395 1.239 1.2385 1.238 ...
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Typical Operating Conditions 1.6 1.4 1.2 1 0.8 0.6 0.4 0 1.262 1.26 1.258 1.256 1.254 1.252 1.25 1.248 1.246 1.244 -50 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 -50 ZXLD1366 Document number: DS31992 Rev. ...
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Application Information Setting nominal average output current with external resistor R The nominal average output current in the LED(s) is determined by the value of the external current sense resistor (R connected between VIN and ISENSE and is given by: ...
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Application Information (Continued) PWM V ADJ ADJ ZXLD1366 0V GND Driving the ADJ input via open collector transistor The recommended method of driving the ADJ pin and controlling the amplitude of the PWM waveform is to use a small NPN ...
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Application Information (Continued) Soft-start An external capacitor from the ADJ pin to ground will provide a soft-start delay, by increasing the time taken for the voltage on this pin to rise to the turn-on threshold and by slowing down the ...
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Application Information (Continued) V capacitor selection IN A low ESR capacitor should be used for input decoupling, as the ESR of this capacitor appears in series with the supply source impedance and lowers overall efficiency. This capacitor has to supply ...
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Application Information (Continued) 15 Legend 14 68uH 13 100uH 12 150uH 11 220uH Figure 3. ZXLD1366 Minimum recommended inductor (TSOT23-5) 16 Legend 15 68µH 14 100µH 13 150µH ...
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Application Information (Continued Legend 13 47µH 12 68µH 11 100µH 10 150µ Figure 5. ZXLD1366 Minimum recommended inductor (SO-8EP Figure 5. ZXLD1366 Minimum recommended inductor (SO-8EP) Diode ...
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Application Information (Continued) Reducing output ripple Peak to peak ripple current in the LED(s) can be reduced, if required, by shunting a capacitor Cled across the LED(s) as shown below value of 1µF will reduce the ...
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Application Information (Continued) Thermal considerations When operating the device at high ambient temperatures, or when driving maximum load current, care must be taken to avoid exceeding the package power dissipation limits. The graph below gives details for power derating. This ...
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Application Information (Continued) Figure 8. Suggested layout for SO-8EP package Vias ensure an effective path to the ground plane for the heat flow therefore reducing the thermal impedance between junction and ambient temperature. Diodes came to the conclusion that the ...
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Application Information (Continued) 3.3k ADJ 100nF GND High voltage tracks Avoid running any high voltage tracks close to the ADJ pin, to reduce the risk of leakage currents due to board contamination. The ADJ pin is soft-clamped for voltages above ...
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... Ordering Information Part Number ZXLD1366 Part Device Mark ZXLD1366DACTC 1366 ZXLD 1366 ZXLD1366EN8TC YYWW ZXLD1366ET5TA 1366 Where YY stands for last 2 digits of year - 10, 11 and WW stands for week number Package Outline Dimensions 1) TSOT23-5 Millimeters Dim. Min. Max 1.00 A1 0.01 0. ...
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Package Outline Dimensions 2) DFN3030-6 D PIN 1 DOT BY MARKING TOP VIEW SIDE VIEW Millimeters Dim. Min. Max. A 0.700 0.800 A1 0.000 0.050 A3 0.203 REF b 0.300 0.400 D 2.950 3.050 3) SO-8EP ...
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DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY ...