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ANALOG DEVICES LT3845AEFE#TRPBF
DC/DC Controller, Synchronous Buck, 4V to 60V Supply, 1 Output, 300kHz, TSSOP-EP-16
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LT3845AEFE#TRPBF
- Order Code:
- 4026286
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- Technical Datasheet:
- LT3845AEFE#TRPBF Datasheet
- ECAD / MCAD
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Product Overview
LT®3845A is a high voltage, synchronous, current mode controller used for medium to high power, high efficiency supplies. It offers a wide 4V to 60V input range (7.5V minimum start-up voltage). An onboard regulator simplifies the biasing requirements by providing IC power directly from VIN. Light load efficiency is also improved with the reverse inductor current inhibit function which supports discontinuous operation. Additional features include adjustable fixed operating frequency that can be synchronized to an external clock for noise sensitive applications, gate drivers capable of driving large N-channel MOSFETs, a precision undervoltage lockout, 10µA shutdown current, short-circuit protection and a programmable soft-start. Typical applications are 12V and 42V automotive and heavy equipment, 48V telecom power supplies, avionics and industrial control systems, distributed power converters.
- Adjustable constant frequency from 100KHz to 500KHz
- Output voltages up to 36V, stable operation in current limit
- Adaptive nonoverlap circuitry prevents switch shoot-through
- Reverse inductor current inhibit for discontinuous operation improves efficiency with light loads
- Programmable soft-start, 120µA no load quiescent current
- 1% regulation accuracy, VIN supply current is 20µA (VCC
9V) - Standard gate N-channel power MOSFETs, reverse overcurrent protection
- 16-lead plastic TSSOP package
- Temperature rating range from –40°C to 125°C
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- Current Mode Control
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- 4V
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- 60V
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- 1Outputs
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- -
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- TSSOP-EP
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- 16Pins
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- 300kHz
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- Synchronous Buck (Step Down)
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- -40°C
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- 125°C
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- -
- :
- -
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- MSL 1 - Unlimited
Technical Documents (1)
Packaging type
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2,389 deliver in 3-4 business days from our UK warehouse
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¥1,868.70
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