LTC3803 - Constant Frequency Current Mode Flyback DC/DC Controller In ThinSOT

The LTC3803 is a constant frequency current mode flyback controller optimized for driving 6V-rated N-Channel MOSFETs in high input voltage applications. Constant frequency operation is maintained down to very light loads, resulting in less low frequency noise generation over a wide range of load currents. Slope compensation CAN be programmed with an external resistor.
The LTC3803 provides 1.5% output voltage accuracy and consumes only 240A of quiescent current. Groundreferenced current sensing allows LTC3803-based converters to accept input supplies beyond the LTC3803s absolute maximum VCC. A micropower hysteretic start-up feature allows efficient operation at high input voltages. For simplicity, the LTC3803 CAN also be powered from a high VIN through a resistor, due to its internal 9.4V Shunt Regulator An internal undervoltage lockout shuts down the LTC3803 when the input voltage falls below 4.6V, guaranteeing at least 4.6V of Gate drive to the external MOSFET
The LTC3803 is available in a low profile (1mm) 6-lead SOT-23 (ThinSOT) package.
By Linear Technology Corporation
LTC3803 's PackagesLTC3803 's pdf datasheet
LTC3803ES6-TR SOT
LTC3803ES6-TRM SOT
LTC3803ES6-TRMPBF SOT
LTC3803ES6-TRPBF SOT
LTC3803ES6-3-TR SOT
LTC3803ES6-3-TRM SOT
LTC3803ES6-3-TRMPBF SOT
LTC3803ES6-3-TRPBF SOT
LTC3803ES6-5-TR SOT
LTC3803ES6-5-TRM SOT
LTC3803ES6-5-TRMPBF SOT
LTC3803ES6-5-TRPBF SOT
LTC3803HS6-5-TRMPBF SOT
LTC3803HS6-5-TRPBF SOT
LTC3803IS6-TR SOT-23
LTC3803IS6-TRM SOT-23
LTC3803IS6-TRMPBF SOT-23
LTC3803IS6-TRPBF SOT-23
LTC3803IS6-3-TR SOT-23
LTC3803IS6-3-TRM SOT-23
LTC3803IS6-3-TRMPBF SOT-23
LTC3803IS6-3-TRPBF SOT-23




LTC3803 Pinout, Pinouts
LTC3803 pinout,Pin out
This is one package pinout of LTC3803,If you need more pinouts please download LTC3803's pdf datasheet.

LTC3803 Application circuits
LTC3803 circuits
This is one application circuit of LTC3803,If you need more circuits,please download LTC3803's pdf datasheet.


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