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reference designLTC7803 | Demoboard DC2834A

Analog Devices LTC7803 | Demoboard DC2834A

High Frequency, Low IQ Synchronous Step-Down Controller

Overview

TopologyBuck Converter
Input voltage5-38 V
Output 13.3 V / 20 A

Description

Demonstration circuit DC2834A is a DC/DC synchronous step-down converter featuring the LTC®7803 (MSE package), a spread spectrum or constant frequency current mode synchronous step-down controller. The DC2834A generates a 3.3V of output voltage.

Features

  • Wide input voltage range: from 5V to 38V
  • High load current, up to 20A
  • Extremely low quiescent current: 15μA in sleep mode and as low as 1μA at shutdown
  • Ability to select spread spectrum or fixed frequency
  • Selectable pulse-skipping, forced continuous operation or low ripple Burst Mode® operation at light loads
  • Synchronization with external clock
  • The DC2834A supports RSENSE or inductor DCR cur¬rent sensing (optional).

More information

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)		ISAT
(A)		RDC max.
(mΩ)		fres
(MHz)		CTol. CVR
(V (DC))		SizeDF
(%)		RISOCeramic TypeW
(mm)		Fl
(mm)		PackagingPinsTypeMountL
(mm)		H
(mm)		IR
(A)		Working Voltage
(V (AC))		Operating Temperature Samples
7843320068SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

9 files

EDA models: Components
ZIP

CAD files
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Electric models
ZIP

Download all 9 files as zip archive
ZIP

 Active i| Production is active. Expected lifetime: >10 years.WE-CHSA SMT High Current Inductor 0.68 41.4 2.05 88 – – – 1212 – – – 12.2 – – – – SMT 12.2 11.75 25.3 – -55 °C up to +150 °C
885012206020SPEC
9 files

EDA models: Components
ZIP

CAD files
ZIP

Electric models
ZIP

Download all 9 files as zip archive
ZIP

 Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 10 V(DC) – – – –100 nF ±10% 10 0603 55 GΩ X7R Class II 0.8 0.4 7" Tape & Reel – – – 1.6 0.8 – – -55 °C up to +125 °C
60800213421SPEC
–3 files

CAD files
ZIP

Download all 3 files as zip archive
ZIP

 Active i| Production is active. Expected lifetime: >10 years.WR-PHD Jumper – – – – – – – – –1000 MΩ – – – Bag 2 – – – – 3 200 -25 °C up to +105 °C
62000311121SPEC
–7 files

EDA models: Components
ZIP

CAD files
ZIP

 Active i| Production is active. Expected lifetime: >10 years.WR-PHD Pin Header – – – – – – – – –1000 MΩ – – – Bag 3 Straight THT 6 – 2 200 -40 °C up to +105 °C
62000621121SPEC
–7 files

EDA models: Components
ZIP

CAD files
ZIP

 Active i| Production is active. Expected lifetime: >10 years.WR-PHD Pin Header – – – – – – – – –1000 MΩ – – – Bag 6 Straight THT 6 – 2 200 -40 °C up to +105 °C
Order Code Data­sheet Simu­lation
7843320068SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

885012206020SPEC
60800213421SPEC
–
62000311121SPEC
–
62000621121SPEC
–
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)		ISAT
(A)		RDC max.
(mΩ)		fres
(MHz)		CTol. CVR
(V (DC))		SizeDF
(%)		RISOCeramic TypeW
(mm)		Fl
(mm)		PackagingPinsTypeMountL
(mm)		H
(mm)		IR
(A)		Working Voltage
(V (AC))		Operating Temperature Samples
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