Low

LTC3803ES6-3#PBF - 

DC/DC Controller, Constant Frequency, 9.2V to 75V, 1 Output, Flyback, 240kHz, TSOT-23-6

LTC3803ES6-3#PBF - DC/DC Controller, Constant Frequency, 9.2V to 75V, 1 Output, Flyback, 240kHz, TSOT-23-6

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC3803ES6-3#PBF
Order Code:
2295146
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC3803ES6-3#PBF is a constant frequency current-mode Flyback Controller optimized for driving 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 LTC3803-3 provides ±1.5% output voltage accuracy and consumes only 240µA of quiescent current. Ground referenced current sensing allows the controller based converters to accept input supplies beyond the LTC3803-3's absolute maximum VCC. A micropower hysteretic start-up feature allows efficient operation at high input voltages. For simplicity, it can also be powered from a high VIN through a resistor, due to its internal shunt regulator. An internal undervoltage lockout shuts down the controller when the input voltage is too low to provide sufficient gate drive to the external MOSFET.
  • Adjustable slope compensation
  • Internal soft-start
  • ±1.5% Reference accuracy
  • Current mode operation for excellent line and load transient response
  • No minimum load requirement

Applications

Automotive, Communications & Networking, Power Management

Product Information

:
9.2V
:
75V
:
1 Output
:
90%
:
TSOT-23
:
6Pins
:
240kHz
:
Flyback
:
-40°C
:
125°C
:
Cut Tape
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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