ZXLD1374EST20TC Diodes Inc, ZXLD1374EST20TC Datasheet
ZXLD1374EST20TC
Specifications of ZXLD1374EST20TC
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ZXLD1374EST20TC Summary of contents
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... PGND PGND PGND PGND N/C N N/C N www.diodes.com A Product Line of ZXLD1374 TSSOP-20EP PWM PWM 18 18 FLAG FLAG 17 17 ISM ISM 16 16 VIN VIN Thermal Thermal Pad Pad 15 15 VAUX VAUX N/C N/C ZXLD1374 ZXLD1374 11 11 N/C N/C March 2011 © Diodes Incorporated ...
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... Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 Description < 2.5V) to adjust output current from 10% to 200% of ADJ , or auxiliary supply from 6V to 15V supply to reduce internal power www.diodes.com A Product Line of ZXLD1374 . IN March 2011 © Diodes Incorporated ...
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... LED DRIVER CONVERTER WITH AEC-Q100 (Voltages to GND Unless Otherwise Stated) Rating ‡ -0 ‡ -0 ‡ ISM ‡ -0.3 to 5.5 -55 to 150 Package TSSOP-20EP www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 Unit 1.8 A ± 150 °C °C Unit 28 °C/W 4 °C/W March 2011 © Diodes Incorporated ...
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... www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 Min Max Unit 6 6.3 ≤ 2.5 0 450 mV ADJ 60 V 1.5 A 0.125 2.5 V 100 µ 300 1000 kHz REF 100 500 Hz 100 1000 Hz 0.005 5 0.4 V -40 125 °C 0.20 0.50 March 2011 © Diodes Incorporated ...
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... March 2011 © Diodes Incorporated µA µA µ µ µA µA ms ºC ºC µ ...
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... V 2.4 2.7 3.0 1.5 1.8 2.1 0.6 0.9 1.2 0.6 0.9 1.2 10 kΩ 60 µA Ω 0.5 0 131 ns 208 100 170 µs 560 625 690 mV 380 440 500 mV 1 µA is near IN March 2011 © Diodes Incorporated ...
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... R = 300m S 0 0.5 1 1.5 2 2.5 ADJ Voltage (V) ADJ 700 600 500 I 400 LED Switching 300 Frequency 200 T = 25C 12V AUX IN 12 LEDs 100 µ Ω 300m S 0 ADJ Voltage ADJ vs time - PWM pin transient response LED March 2011 © Diodes Incorporated ...
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... V = 12V www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 110 125 Junction Temperature (°C) Figure 8. V vs. Temperature REF ° 33µH Ω 150m S Buc k Mode 2 LED Input Voltage (V) Figure 10. Duty Cycle vs. Input Voltage March 2011 © Diodes Incorporated ...
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... Figure 12. Frequency vs. Input Voltage and Number of LED 5 LEDs 7 LEDs 9 LEDs Input Voltage (V) Figure 13. Efficiency vs. Input Voltage and Number of LED www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 = 1.5A 13 LEDs 15 LEDs LEDs 15 LEDs LEDs 13 LEDs 11 LED 25° AUX 33µH Ω 146m March 2011 © Diodes Incorporated ...
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... Figure 15. Frequency ZXLD1374 - Buck Mode = LED s 9 LED s 11 LED s 1 LED Input Voltage (V) Figure 16. Efficiency vs. Input Voltage and Number of LED www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 = 750mA 15 LEDs 11 LED s 13 LEDs LED s 15 LEDs 13 LEDs μ 13 LEDs 15 LEDs March 2011 © Diodes Incorporated ...
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... Figure 19. Efficiency vs. Input Voltage and Number of LED www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 = 325mA – 0.21 RATIO ° 33µH Ω 150m S Ω 33k GI1 Ω 120k GI2 16 LEDs ° 33µH Ω 150m S Ω 33k GI1 Ω 120k GI2 14 LEDs 16 LEDs LEDs 16 LEDs March 2011 © Diodes Incorporated ...
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... ZXLD1374 = 0.23 – with bootstrap RATIO 15 LEDs 13 LEDs 7 LEDs 5 LEDs ° 3µH Ω 50m S Ω GI1 Ω 120 m GI2 14 15 LEDs 13 LEDs 11 LED s 9 LEDs 7 LEDs 14 15 LED s 15 LEDs ° 33µH Ω 150m S 14 15.5 17 March 2011 © Diodes Incorporated ...
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... R = 150m S Ω GI1 Ω 120 m GI2 14.0 15.5 17.0 8 LED s 7 LED s 4 LED s 3 LED s ° 33µH Ω 150m S Ω 36k GI1 Ω 120k GI2 14.0 15.5 17.0 4 LED s 3 LED s 14.0 15.5 17.0 March 2011 © Diodes Incorporated ...
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... C1, connected between SHP and SGND. ZXLD1374 Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 , via Rs, LED, IN Figure 26. Buck Configuration Figure 27. Operating Waveforms (Buck Mode www.diodes.com A Product Line of ZXLD1374 March 2011 © Diodes Incorporated ...
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... Document number: DS35032 Rev 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 , via Rs, coil and IN Figure 28. Boost and Buck-boost Configuration and GI1 Figure 29. Operating Waveforms (Boost and Buck-boost Modes www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 March 2011 © Diodes Incorporated ...
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... GI 1 ADJ + REF S V ADJ V REF www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 . VIN ISM REF ADJ GI SGND Figure 30: Buck configuration R S VIN ISM REF ADJ R GI2 GI R GI1 SGND Figure 31: Boost and Buck-boost connection March 2011 © Diodes Incorporated ...
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... GI 2 and LEDs = D MAX V IN MIN − LEDS IN MIN = D MAX V LEDS V LEDS = D MAX + V V LEDS IN MIN ≤ − RATIO + ADJ Ω ≤ ≤ Ω 200 MAX ≈ − MAX R 225 LED www.diodes.com A Product Line of ZXLD1374 D MAX March 2011 © Diodes Incorporated ...
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... LED DRIVER CONVERTER WITH AEC-Q100 = 350mA with I LED LED ≈ ADJ ADJ = − = Ω 110 225 150 LED with E24 series resistors: RATIO RGI2 www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 =1.5A the ratio has to be set as Ω March 2011 © Diodes Incorporated ...
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... Figure 33. 1.5A Buck mode inductor selection for target frequency > 500kHz ZXLD1374 Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 L=33µ Supply Voltage (V) L=33µH L=22µ Supply Voltage ( www.diodes.com A Product Line of ZXLD1374 L=47µ L=47µ March 2011 © Diodes Incorporated ...
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... LED DRIVER CONVERTER WITH AEC-Q100 =24V and 6 LEDs), with a load current of 1.5A; if the target frequency is around IN L=68µH L=47µ Supply Voltage (V) L=33µH L=22µ Supply Voltage ( www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 L=100µ L=47µ March 2011 © Diodes Incorporated ...
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... Figure 37: 350mA Buck-boost mode inductor selection for target frequency > 500kHz ZXLD1374 Document number: DS35032 Rev 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 L=47µH L=33µ Supply Voltage (V) L=47µH L=33µ Supply Voltage ( www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 March 2011 © Diodes Incorporated ...
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... HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 =10-18V and 4 LEDs), with a load current of 350mA; if the target frequency IN =12-24V. IN L=47µH L=33µ Supply Voltage (V) L=47µH L=33µ Supply Voltage ( www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 March 2011 © Diodes Incorporated ...
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... LX pin silicon diode is used, care should be taken to ensure that the total voltage appearing on the LX pin, including supply ripple, does not exceed the specified maximum value. *A suitable Schottky diode would be PDS3100 (Diodes Inc). OUTPUT CAPACITOR An output capacitor may be required to limit interference or for specific EMC purposes. ...
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... RMS LED − MAX www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 Minimum RMS current = − − CIN RMS LED use D=0.5 as worst case L I − − I CIN RMS − CIN RMS LED − Use worst case MAX March 2011 © Diodes Incorporated ...
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... PWM duty cycle I Normalized LED Current Error 20% 30% 40% 50% 60% 70% PWM duty cycle www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 1500 1250 1000 750 500 250 0 80% 90% 100% 1500 1250 1000 LED 750 500 250 0 80% 90% 100% March 2011 © Diodes Incorporated ...
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... While the maximum recommended pulse is for the PWM signal is10ms. Figure 45. PWM Dimming Minimum and Maximum Pulse ZXLD1374 Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 Figure 44. PWM Dimming from MCU www.diodes.com A Product Line of ZXLD1374 March 2011 © Diodes Incorporated ...
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... LED DRIVER CONVERTER WITH AEC-Q100 Fig 46. Stand-by state from PWM signal to REF. ADJ at which the current must start to decrease = TH1 THRESHOLD Figure 47. Thermal feedback network = 70˚C TH1 = 3.3kΩ at 70˚ www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 March 2011 © Diodes Incorporated ...
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... SHP 2 voltage range >100µs ON OFF 3 LX voltage > 60V 4 T >125° >0.375V SENSE 5 I > 1. www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 Nominal STATUS voltage H 4.5 L 4.5 L 3.6 L 3.6 L 3.6 L 2.7 L 1.8 L 0.9 L 0.9 March 2011 © Diodes Incorporated ...
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... Out of Out of regulation regulation Over- Over- current current 100 100 120 120 140 140 time (µs) time (µs) Figure 49. Diagnostic during Start- www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 Over C urrent 5 160 160 180 180 200 200 March 2011 © Diodes Incorporated ...
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... PWM signal low. ZXLD1374 Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 Figure 50. OVP Circuit = V +10%. If the LX pin voltage exceeds V Z LEDMAX www.diodes.com A Product Line of ZXLD1374 the gate of MOSFET Z March 2011 © Diodes Incorporated ...
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... Document number: DS35032 Rev 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 Figure 51. Circuit Layout , need to be decoupled recommended to use two ceramic capacitors of 2.2µ www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 /V pins (C9) the device IN AUX March 2011 © Diodes Incorporated ...
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... Generic SMD1206 Generic SMD1206 Generic 1600 1200 800 1 LED VF=3.4V 3 LED VF=9.8V 400 5 LED VF=16V www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 LED Current vs Input Voltage 1 LED VF=3.4V 3 LED VF=9.8V 5 LED VF=16V Input Voltage (V) Figure 54. Line regulation March 2011 © Diodes Incorporated ...
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... SMD 0805/0603 SMD 0805/0603 Generic SMD 0805/0603 Generic 400 350 300 250 200 150 12 LED VF=37V 100 15 LED VF=47V Figure 57. Line regulation www.diodes.com A Product Line of ZXLD1374 LED Current vs Input Voltage 12 LED VF=37V 15 LED VF=47V Input Voltage March 2011 © Diodes Incorporated ...
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... SMD 0805/0603 Generic SMD 1206 Generic 400 350 300 250 200 150 100 4 LED VF=12. LED VF=15. www.diodes.com A Product Line of Diodes Incorporated ZXLD1374 LED Current vs Input Voltage 4 LED VF=12.5V 5 LED VF=15. Input Voltage Figure 60. Line Regulation March 2011 © Diodes Incorporated 20 ...
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... ZXLD1374 Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 Ambient temperature (°C) Figure 61. Power Derating Curve www.diodes.com A Product Line of ZXLD1374 80 95 110 March 2011 © Diodes Incorporated ...
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... Ordering Information Device Packaging ZXLD1374EST20TC TSSOP-20EP Where YY stands for last 2 digits of year - 10, 11 and WW stands for week number Package Mechanical Data TSSOP-20EP ZXLD1374 Document number: DS35032 Rev Diodes Incorporated 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 Status Part Marking ...
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... Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. ...