LT3595AEUHH#TRPBF Linear Technology, LT3595AEUHH#TRPBF Datasheet
LT3595AEUHH#TRPBF
Specifications of LT3595AEUHH#TRPBF
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LT3595AEUHH#TRPBF Summary of contents
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... The part is available in a 5mm × 9mm × 0.75mm 56-pin QFN package. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. True Color PWM is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. 0.47μF 0.47μ ...
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... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT3595AEUHH#PBF LT3595AEUHH#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: For more information on tape and reel specifi ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T GND = 0V, unless otherwise noted. PARAMETER V Operating Voltage IN V Operating Voltage CC V Input Under Voltage Lockout CC I Quiescent Current ON, No Switching VIN I Quiescent ...
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LT3595A TYPICAL PERFORMANCE CHARACTERISTICS Switching Waveforms 10 LEDS V SW1 50V/DIV 10 LEDS I L1 50mA/DIV 5 LEDS V SW2 50V/DIV 5 LEDS I L2 50mA/DIV 3595A G01 400ns/DIV V = 45V 20mA LED LED Current vs ...
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TYPICAL PERFORMANCE CHARACTERISTICS Current Limit vs Temperature 150 140 130 120 110 100 90 – 100 –25 0 TEMPERATURE (°C) 3595A G09 Switch Saturation Voltage (V ) CESAT 700 600 500 T = –40°C 400 300 T ...
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LT3595A PIN FUNCTIONS L1-16 (Pins 10, 12, 16, 18, 29, 31, 35, 37, 38, 40, 44, 46): LED Pins. Connection point for the anode of the highest LED in each string. SW1-16 (Pins ...
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BLOCK DIAGRAM V CC VREG REG 3.3V 10μF SHDN 24 REF R SET 51 R SET V PWM1-16 IN DFC CONTROL 1 CHANNEL 16X V/I – PWM + S + ISNS – RAMP ...
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LT3595A OPERATION The LT3595A uses a constant-frequency, current mode control scheme to provide excellent line and load regula- tion. Operation is best understood by referring to the Block Diagram. The oscillator, V-I converter and internal regulator are shared by the ...
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OPERATION Discontinuous Current Mode The LT3595A can drive a 10-LED string at 15mA LED current operating in continuous conduction mode using the recommended external components shown in the ap- plication circuit on page 1 of this data sheet. As current ...
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LT3595A APPLICATIONS INFORMATION string depends on the number of LEDs and can vary from 0.47μF to 1μF . Refer to Table 2 for proper output capacitor selection. Table 2. Recommended Output Capacitor Values (V # LEDs 3-10 1-2 Table 3. ...
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APPLICATIONS INFORMATION Dimming Control The sixteen PWM1-16 inputs control the dimming func- tion. Each channel is modulated by its corresponding PWM1-16 input rising edge of any PWM1-16, the IC’s internal support circuitry is enabled and the specifi c ...
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LT3595A APPLICATIONS INFORMATION Board Layout Considerations As with all switching regulators, careful attention must be paid to the PCB board layout and component placement. To prevent electromagnetic interference (EMI) problems, proper layout of high frequency switching paths is essential. Minimize ...
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APPLICATIONS INFORMATION Figure 6. PCB Layer 3 Figure 7. PCB Layer 4 LT3595A 3595af 13 ...
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LT3595A TYPICAL APPLICATION 30W LED Driver for 160 LEDs (16 Strings, 10 LEDs per String) at 50mA V IN 45V 0.47μF 0.47μF 10μ 100k L1 SW1 L2 SW2 OPENLED PWM1 PWM2 PWM3 LED PWM4 BRIGHTNESS PWM5 CONTROL PWM6 ...
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... ALL DIMENSIONS ARE IN MILLIMETERS Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. UHH Package 56-Lead Plastic QFN (5mm × ...
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... Buck Mode LED Driver LT3591 Constant-Current, 1MHz, High Effi ciency White LED Boost Regulator with Integrated Schottky Diode and 80:1 True Color PWM Dimming True Color PWM and ThinSOT are trademarks of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 ...