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LTC1778 Datasheet PDF

Part Series:LTC1778 Series
Category:DC-DC Converters
Description:LINEAR TECHNOLOGY LTC1778EGN-1#PBF DC-DC Controller, 4V to 36V, 1 Output, Buck, SSOP-16
Document:LTC1778IGN Datasheet PDF (38 Pages)

LTC1778 DC-DC Converters Datasheet PDF

LTC1778 Datasheet PDF DC-DC Converters

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LTC1778EGN-1#PBF - Linear Technology Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
16 Pin
Supply Voltage (DC)
4.00V (min)
Case/Package
SSOP-16
Number of Outputs
1 Output
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LTC1778EGN-1#PBF - Linear Technology Function Overview

The LTC1778EGN-1#PBF is a synchronous step-down Switching Regulator Controller optimized for CPU power. The controller uses valley current control architecture to deliver very low duty cycles with excellent transient response without requiring a sense resistor. Operating frequency is selected by an external resistor and is compensated for variations in VIN. Discontinuous mode operation provides high efficiency operation at light loads. A forced continuous control pin reduces noise and RF interference and can assist secondary winding regulation by disabling discontinuous operation when the main output is lightly loaded. Fault protection is provided by internal foldback current limiting, an output overvoltage comparator and optional short-circuit shutdown timer. Soft-start capability for supply sequencing is accomplished using an external timing capacitor. The regulator current limit level is user programmable.
No sense resistor required
True current mode control
Optimized for high step-down ratios
Extremely fast transient response
Stable with ceramic COUT
Dual N-channel MOSFET synchronous drive
Adjustable current limit
Adjustable switching frequency
Programmable soft-start
Output overvoltage protection
IQ <30µA Micropower shutdown
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