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LT3800 Datasheet PDF

Part Series:LT3800 Series
Category:DC-DC Converters
Description:Conv DC-DC 4V to 60V Synchronous Step Down Single-Out 36V 15A Automotive 16Pin TSSOP EP
Document:LT3800EFE#PBF Datasheet PDF (25 Pages)

LT3800 DC-DC Converters Datasheet PDF

LT3800 Datasheet PDF DC-DC Converters

24 Pages
Linear Technology
High-Voltage Synchronous Current Mode Step-Down
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IC REG CTRLR BUCK 16TSSOP
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High-Voltage Synchronous Current Mode Step-Down Controller
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High-Voltage Synchronous Current Mode Step-Down Controller
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Conv DC-DC 4V to 60V Synchronous Step Down Single-Out 36V 15A Automotive 16-Pin TSSOP EP Tube
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Switching Controller, Current-mode, 220kHz Switching Freq-Max, PDSO16
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High-Voltage Synchronous Current Mode Step-Down Controller

LT3800EFE#PBF - Linear Technology Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
200 kHz
Number of Pins
16 Pin
Supply Voltage (DC)
4.00V (min)
Case/Package
TSSOP-16
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LT3800EFE#PBF - Linear Technology Function Overview

The LT3800EFE#PBF is a 200kHz fixed frequency high voltage synchronous current-mode step-down Switching Regulator Controller drives standard gate N-channel power MOSFETs and can operate with input voltages from 4 to 60V. An on board regulator provides IC power directly from VIN and provides for output-derived power to minimize VIN quiescent current. MOSFET drivers employ an internal dynamic bootstrap feature, maximizing gate-source "ON" voltages during normal operation for improved operating efficiencies. It incorporates burst mode operation, which reduces no load quiescent current to under 100µA. Light load efficiencies are also improved through a reverse inductor current inhibit, allowing the controller to support discontinuous operation. Both the burst mode operation and the reverse-current inhibit features can be disabled if desired.
Adaptive non-overlap circuitry prevents switch shoot-through
Reverse inductor current inhibit for discontinuous operation improves efficiency with light loads
Output slew rate controlled soft-start with auto-reset
Standard gate N-channel power MOSFETs
Current limit unaffected by duty cycle
Reverse overcurrent protection
100µA No load quiescent current
Low 10µA Current shutdown
1% Regulation accuracy
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