LT3591EDDB#TRMPBF Linear Technology, LT3591EDDB#TRMPBF Datasheet
LT3591EDDB#TRMPBF
Specifications of LT3591EDDB#TRMPBF
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LT3591EDDB#TRMPBF Summary of contents
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... Schottky diode are all contained inside a low profi le 3mm × 2mm DFN package. , 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. R SENSE 10 2 ...
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LT3591 ABSOLUTE MAXIMUM RATINGS (Note 1) Input Voltage (V ) ................................................... 12V IN CTRL Voltage ........................................................... 12V SW Voltage .............................................................. 45V CAP Voltage ............................................................. 45V LED Voltage ............................................................. 45V Operating Junction Temperature Range (Note 2) ...............................................–40°C to 85°C Maximum Junction ...
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TYPICAL PERFORMANCE CHARACTERISTICS Switch Saturation Voltage (V ) CESAT 500 400 25 C 300 125 C 200 – 100 0 0 300 400 500 600 700 100 200 SWITCH CURRENT (mA) 3591 G01 Sense Voltage (V – V ...
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LT3591 TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Current (V = 3V) CTRL 125 C 4 – (V) IN 3591 G09 Open-Circuit Output Clamp Voltage vs Temperature 45 ...
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PIN FUNCTIONS V (Pin 1): Input Supply Pin. Must be locally bypassed. IN GND (Pin 2): Ground Pin. Should be tied directly to local ground plane. SW (Pin 4): Switch Pin. Minimize trace area at this pin to minimize EMI. ...
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LT3591 OPERATION The LT3591 uses a constant frequency, current mode control scheme to provide excellent line and load regula- tion. Operation can be best understood by referring to the Block Diagram in Figure 1. At power-up, the capacitor at the ...
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APPLICATIONS INFORMATION INDUCTOR SELECTION A 22µH inductor is recommended for most LT3591 ap- plications. Although small size and high effi ciency are major concerns, the inductor should have low core losses at 1MHz and low DCR (copper wire resistance). Some ...
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LT3591 APPLICATIONS INFORMATION SCHOTTKY DIODE The LT3591 has a built-in Schottky diode. The internal schottky saves board space in space constrained appli- cations. In less space sensitive applications, an external schottky diode connected between the SW node and the CAP ...
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APPLICATIONS INFORMATION Table 4. R Value Selection for 200mV Sense SENSE I (mA) LED DIMMING CONTROL There are three different types of dimming control circuits. The LED current can be set by modulating the CTRL pin ...
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LT3591 APPLICATIONS INFORMATION and ground as shown in Figure 6. A Si2308 MOSFET can be used since its source is connected to ground. The PWM signal is applied to the CTRL pin of the LT3591 and the gate of the ...
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APPLICATIONS INFORMATION LOW INPUT VOLTAGE APPLICATIONS The LT3591 can be used in low input voltage applications. The input supply voltage to the LT3591 must be 2.5V or higher. However, the inductor can be run off a lower battery voltage. This ...
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LT3591 TYPICAL APPLICATIONS Li-Ion Driver for Ten White LEDs CAP LT3591 SHUTDOWN CTRL LED AND DIMMING CONTROL GND C1:TAIYO YUDEN EMK107BJ105MA C2: MURATA GRM31CR71H225KA88 Li-Ion Driver ...
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TYPICAL APPLICATIONS 24V to Four White LEDs at 100mA C2 4 24V R SENSE CAP LED LT3591 1 F SHUTDOWN AND CTRL SW DIMMING CONTROL GND C1: ...
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LT3591 TYPICAL APPLICATIONS Li-Ion Driver for Seven White LEDs SHUTDOWN AND DIMMING CONTROL CTRL CAP LT3591 LED GND C1: TAIYO YUDEN EMK107BJ105MA C2: MURATA GRM31CR71H225KA88 L1: ...
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... SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE 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. ...
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... White LED Driver with Integrated Schottky Diode LT3497 Dual Full Function 2.3MHz LED Driver with 250:1 True Color PWM Dimming with Integrated Schottky Diodes ThinSOT is a trademark of Linear Technology Corporation Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...