lt3003emse-trpbf Linear Technology Corporation, lt3003emse-trpbf Datasheet
lt3003emse-trpbf
Related parts for lt3003emse-trpbf
lt3003emse-trpbf Summary of contents
Page 1
... The LT3003 is available in a small 10-pin MSE package. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. True Color PWM is a trademark of Linear Technolology Corporation. All other trademarks are the property of their respective owners. ...
Page 2
... PACKAGE/ORDER INFORMATION EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB ORDER PART NUMBER LT3003EMSE Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T OT1 = OT2 = Open, SHDN = PARAMETER OT2 Pull-Down Current OT1, OT2 Leakage Current Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause ...
Page 4
LT3003 TYPICAL PERFORMANCE CHARACTERISTICS V Quiescent Current 100 150 200 I (mA) LED PIN FUNCTIONS LED1 (Pin 1): Controlled current input for a string of LEDs with a ...
Page 5
PIN FUNCTIONS V (Pin 10): Lower Rail. EE • Boost: Connect to System Ground • Buck Mode: Connect to Inductor • Buck-Boost Mode: Connect to Input Supply BLOCK DIAGRAM 1 4 LED1 V MAX + B1 – PWM + 6 ...
Page 6
LT3003 OPERATION The LT3003 is an easy-to-use 3-channel LED ballaster. It allows three strings of LEDs to be driven in parallel with accurate LED current matching. A PWM pin is also provided allowing LED currents to be turned on and ...
Page 7
APPLICATIONS INFORMATION Input Capacitor Selection The LT3003 is typically driven from the same input voltage used for the partner LED driver IC. The LED driver and inductor govern the requirements for the input capacitor of the application. A ceramic input ...
Page 8
LT3003 APPLICATIONS INFORMATION D1A SW D1B EA D1C DRV LED DRIVER LED1 PWM PWM SHDN V IN Figure 3. Boost Mode SENSE D1A D2A D3A D1B D2B D3B D1C ...
Page 9
APPLICATIONS INFORMATION In addition, LT3003 has an internal 150°C overtemperature protection circuitry that resets the chip to zero LED current mode. This prevents the chip from continuous operation at high temperature. Thermal Calculations To maximize output power capability in an ...
Page 10
LT3003 TYPICAL APPLICATIONS 16V 18 33 SHDN REF CAP1 37 V LED1 ADJ1 LT3476 PWM1 6 R SW1 T R3 SW1 21k V GND NC 19-21, 39 30-32 10 1.05A Buck Mode LT3003 ...
Page 11
TYPICAL APPLICATIONS 16V C1 1µF 25V 1N4148W Q1 2N7002 PWM C2 22nF C1, C3: TAIYO YUDEN TMK212BJ105MG-BR C4: MURATA GRM32ER71H475KA88L D1: DIODES INC. DFLS140 L1: SUMIDA CDRH5D16-4R7 PWM ...
Page 12
LT3003 TYPICAL APPLICATIONS 16V 33µF CER 33nF CER PWM 300mA Buck-Boost Mode LT3003 with the LT3477 D3 1µ MAX IN 1 LED1 V EE LED9 LED10 LED11 ...
Page 13
TYPICAL APPLICATIONS V IN 32V C1 4.7µF 50V CER 1µF 10V CER 1A Buck Mode LT3003 with the LT1618 R SENSE 0.05Ω 1%, 1A LED1 LED2 LED3 OT1 V MAX D1 14V V LT3003 OT2 IN R1 ...
Page 14
LT3003 TYPICAL APPLICATIONS V IN 24V LED1 V EE LED2 SHDN LED3 OT2 LT3003 V OT1 MAX V PWM IN GND 20V C3 1µF 50V 14 1A Buck LT3003 with the LT3475 D1 C OUT1 1N4448W 2.2µF 16V L1 D2 ...
Page 15
... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 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 represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
Page 16
... LTC3205 Multi-Display LED Controller, Step-Up/Step-Down Fractional Charge Pump, Independent Current and Dimming Control LTC3783 PWM LED Power and Boost, Flyback and SEPIC Controller 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 ● ...