Datasheet LT3595A (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 16 Channel Buck Mode LED Driver |
| Pages / Page | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| File Format / Size | PDF / 392 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency. Schottky Leakage Current
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LT3595A
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency Schottky Leakage Current Current Limit vs Temperature vs Temperature vs Temperature
150 2.4 1.4 2.3 140 1.2 2.2 1.0 130 2.1 VIN = 45V 0.8 120 2.0 0.6 1.9 110 VIN = 24V CURRENT LIMIT (mA) 0.4 1.8 V 100 SWITCHING FREQUENCY (MHz) IN = 4.5V 1.7 0.2 SCHOTTKY LEAKAGE CURRENT (μA) 90 1.6 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3595A G09 3595A G10 3595A G11
Switch Saturation Voltage (VCESAT) Schottky Forward Voltage Drop
700 100 600 80 500 T = –40°C 60 400 T = 125°C 300 T = 25°C 40 T = 125°C 200 T = 25°C 20 100 SWITCH SATURATION VOLTAGE (mV) SCHOTTKY FORWARD CURRENT (mA) T = –40°C 0 0 0 20 40 60 80 100 0 0.2 0.4 0.6 0.8 1 SWITCH CURRENT (mA) SCHOTTKY FORWARD DROP (V) 3595A G12 3595A G13
Transient Response OPENLED Waveforms
I V LED SHDN CH 1 5V/DIV 20mA/DIV V OPENLED SW 50V/DIV 5V/DIV VSW CH 1 ISW 50V/DIV 50mA/DIV ILED CH 2 ILED 20mA/DIV 20mA/DIV 3595A G14 3595A G15 100μs/DIV 20μs/DIV VIN = 45V VIN = 45V 10 LEDS AT 20mA 10 LEDS AT 20mA 3595af 5
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switching Frequency Schottky Leakage Current Current Limit vs Temperature vs Temperature vs Temperature
150 2.4 1.4 2.3 140 1.2 2.2 1.0 130 2.1 VIN = 45V 0.8 120 2.0 0.6 1.9 110 VIN = 24V CURRENT LIMIT (mA) 0.4 1.8 V 100 SWITCHING FREQUENCY (MHz) IN = 4.5V 1.7 0.2 SCHOTTKY LEAKAGE CURRENT (μA) 90 1.6 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3595A G09 3595A G10 3595A G11
Switch Saturation Voltage (VCESAT) Schottky Forward Voltage Drop
700 100 600 80 500 T = –40°C 60 400 T = 125°C 300 T = 25°C 40 T = 125°C 200 T = 25°C 20 100 SWITCH SATURATION VOLTAGE (mV) SCHOTTKY FORWARD CURRENT (mA) T = –40°C 0 0 0 20 40 60 80 100 0 0.2 0.4 0.6 0.8 1 SWITCH CURRENT (mA) SCHOTTKY FORWARD DROP (V) 3595A G12 3595A G13
Transient Response OPENLED Waveforms
I V LED SHDN CH 1 5V/DIV 20mA/DIV V OPENLED SW 50V/DIV 5V/DIV VSW CH 1 ISW 50V/DIV 50mA/DIV ILED CH 2 ILED 20mA/DIV 20mA/DIV 3595A G14 3595A G15 100μs/DIV 20μs/DIV VIN = 45V VIN = 45V 10 LEDS AT 20mA 10 LEDS AT 20mA 3595af 5
