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ADI Power by Linear LT3042 | Demoboard DC2429A

PLL/VCO Supply and Reference Board

Overview

TopologyBuck Converter
Input voltage6-20 V
Output 15 V / 0.2 A
Output 23.3 V / 0.8 A
IC revisionA

Description

Demonstration Circuit 2429A is a PLL/VCO Supply andReference Board that features the LT®3042, an ultralownoise and ultrahigh PSRR RF linear regulator. Whenpowered from any lab or wall wart supply, the DC2429Aproduces four ultralow noise supplies and an ultralownoise 100MHz reference that ensures PLL/VCO evaluationmeets data sheet performance.Functionally, this circuit produces four separate ultralownoise supplies from a single 6V to 20V supply input.These supplies provide a fixed 3.3V/800mA supply, a fixed5V/200mA supply, a variable voltage/200mA supply and afixed 3.3V/200mA supply that powers an onboard 100MHzreference. The variable supply is ideal for powering external L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of LinearTechnology Corporation. All other trademarks are the property of their respective owners.VCOs, by providing a jumper option that selects betweenseven common VCO power supply voltages.The onboard 100MHz reference is capable of providing asignal which is clean enough to produce data sheet performancefrom a PLL/VCO. The default reference outputmates directly with the LTC®6945, LTC6946, LTC6947 andLTC6948 demo board reference inputs. For evaluation ofPLL/VCOs with other references, the DC2429A can bemodified to accommodate different onboard referencefrequencies, signal types and package footprints

Products

Order Code Data­sheet Downloads Product seriesL
(mm)
PinsRowsGenderTypeIR
(A)
Packaging Samples
62000311121
IGE STE 3D ALT EAG CADWR-PHD 2.00 mm THT Pin Header 6 3 Single Pin Header Straight 2 Bag
702935000
STE 3D IGSWA-SNSR Self-Retaining Spacer 12.7
60800213421
IGE STE 3DWR-PHD 2.00 mm Jumper with Test Point 2 Jumper 1 Bag
Order Code Data­sheet
62000311121
702935000
60800213421
Samples
Order Code Data­sheet Downloads Product seriesL
(mm)
PinsRowsGenderTypeIR
(A)
Packaging Samples