Datasheet LT3744 (Analog Devices) - 10
| Fabricante | Analog Devices |
| Descripción | High Current Synchronous Step-Down LED Driver |
| Páginas / Página | 32 / 10 — Typical perForMance characTerisTics. LED Current Waveforms. (0A to 20A) … |
| Formato / tamaño de archivo | PDF / 782 Kb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics. LED Current Waveforms. (0A to 20A) 2000:1. (0A to 6.7A to 13.3A to 20A) 2000:1
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LT3744
Typical perForMance characTerisTics LED Current Waveforms LED Current Waveforms LED Current Waveforms (0A to 20A) 2000:1 (0A to 6.7A to 13.3A to 20A) 2000:1 (0A to 6.7A to 13.3A to 20A) 5000:1
PWM1 PWM1 5V/DIV 5V/DIV PWM2 PWM2 ILED 5V/DIV 5V/DIV 16.7A/DIV PWM3 PWM3 5V/DIV 5V/DIV PWM1 5V/DIV ILED ILED SW 6.7A/DIV 6.67A/DIV 5V/DIV 3744 G36 3744 G37 3744 G38 2.5µs/DIV 25µsec/DIV 25µsec/DIV
LED Current Waveforms LED Current Waveforms (0A to 5A) 2000:1 Inverting LED Current Waveforms (0A to (5000:1) 0A TO 20A Flicker-Free Buck-Boost Regulator 10A) 1000:1 Inverting Regulator Performance
PWM1 PWM1 PWM2 5V/DIV 5V/DIV 5V/DIV SW 10V/DIV IANODE 5A/DIV VSW 5V/DIV I V LED SW 1.67A/DIV 10V/DIV ILED 5A/DIV VEE IL 5V/DIV 20A/DIV 3744 G39 3744 G40 3744 G41 2.5µs/DIV 10µs/DIV 1µsec/DIV - 5 MINUTE PERSISTENCE
LED_ISP – LED_ISN Voltage Regulation Overcurrent Overvoltage Protection
VSW 5V/DIV VBG 5V/DIV V V SW OUT 20V/DIV 2V/DIV IL 50A/DIV SW IL 5V/DIV 5A/DIV ISENSE 33.3A/DIV 3744 G42 3744 G43 3744 G44 100µs/DIV 25µs/DIV 20µs/DIV 3744fa 10 For more information www.linear.com/LT3744 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
Typical perForMance characTerisTics LED Current Waveforms LED Current Waveforms LED Current Waveforms (0A to 20A) 2000:1 (0A to 6.7A to 13.3A to 20A) 2000:1 (0A to 6.7A to 13.3A to 20A) 5000:1
PWM1 PWM1 5V/DIV 5V/DIV PWM2 PWM2 ILED 5V/DIV 5V/DIV 16.7A/DIV PWM3 PWM3 5V/DIV 5V/DIV PWM1 5V/DIV ILED ILED SW 6.7A/DIV 6.67A/DIV 5V/DIV 3744 G36 3744 G37 3744 G38 2.5µs/DIV 25µsec/DIV 25µsec/DIV
LED Current Waveforms LED Current Waveforms (0A to 5A) 2000:1 Inverting LED Current Waveforms (0A to (5000:1) 0A TO 20A Flicker-Free Buck-Boost Regulator 10A) 1000:1 Inverting Regulator Performance
PWM1 PWM1 PWM2 5V/DIV 5V/DIV 5V/DIV SW 10V/DIV IANODE 5A/DIV VSW 5V/DIV I V LED SW 1.67A/DIV 10V/DIV ILED 5A/DIV VEE IL 5V/DIV 20A/DIV 3744 G39 3744 G40 3744 G41 2.5µs/DIV 10µs/DIV 1µsec/DIV - 5 MINUTE PERSISTENCE
LED_ISP – LED_ISN Voltage Regulation Overcurrent Overvoltage Protection
VSW 5V/DIV VBG 5V/DIV V V SW OUT 20V/DIV 2V/DIV IL 50A/DIV SW IL 5V/DIV 5A/DIV ISENSE 33.3A/DIV 3744 G42 3744 G43 3744 G44 100µs/DIV 25µs/DIV 20µs/DIV 3744fa 10 For more information www.linear.com/LT3744 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts