lt3482eud-trpbf Linear Technology Corporation, lt3482eud-trpbf Datasheet
lt3482eud-trpbf
Related parts for lt3482eud-trpbf
lt3482eud-trpbf Summary of contents
Page 1
... This current can be used as a reference to provide a digitally programmed output voltage via the CTRL pin. The LT3482 is available in the tiny footprint (3mm × 3mm) 16-lead QFN package. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. V APD 0.47µ ...
Page 2
... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LT3482EUD#PBF LT3482EUD#TRPBF LT3482IUD#PBF LT3482IUD#TRPBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. For more information on lead free parts, go to: For more information on tape and reel specifi ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER SHDN Voltage Low SHDN Pin Bias Current f Voltage High SET f Voltage Low SET f Bias Current SET CTRL to FB Offset APD Current Monitor Gain Monitor Output ...
Page 4
LT3482 W U TYPICAL PERFOR A CE CHARACTERISTICS Oscillator Frequency vs Temperature 1200 1100 SET 1000 900 800 700 SET 600 500 – 100 125 –25 0 TEMPERATURE (°C) 3482 G01 ...
Page 5
CTIO S APD (Pin 2): Connect APD cathode to this pin. MONIN (Pin 3): Current Monitor Power Supply Pin. An external lowpass fi lter can be included here to further reduce supply voltage ripple. V ...
Page 6
LT3482 CTIO AL DIAGRA 9 GND 10 GND 1.235V + REFERENCE + A1 – EAMP SHDN C S CTRL CONTROL BLOCK U OPERATIO The LT3842 boost converter uses a ...
Page 7
U U APPLICATIO S I FOR ATIO Switching Frequency The LT3482 can operate at either 650kHz nominal or 1.1MHz nominal; the voltage at the f frequency is used. At 1.1MHz, a physically smaller induc- tor and capacitor can be used ...
Page 8
LT3482 U U APPLICATIO S I FOR ATIO Inductor Selection The inductors used with the LT3482 should have a satura- tion current rating of 0.3A or greater. If the device is used in an application where the input supply will ...
Page 9
U U APPLICATIO S I FOR ATIO In some applications, a long cable or wire is used to connect the LT3482 to APD. When APD is shorted to GND, APD pin voltage might ring below ground and damage the internal ...
Page 10
LT3482 U TYPICAL APPLICATIO 85V APD Bias Power Supply C2 L1 0.1µF 10µ PUMP 1µF V MONIN IN f LT3482 SET OFF ON SHDN V OUT2 CTRL V OUT1 GND FB MON ...
Page 11
... 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 represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights Package 16-Lead Plastic QFN (3mm × ...
Page 12
... High Effi ciency Step-Up SW DC/DC Converters with Integrated Schottky LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz High Effi ciency White LED Boost Regulator with Integrated Schottky ThinSOT is a trademark on Linear Technology Corporation. Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7417 ● (408) 432-1900 ...