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Analog Devices LTC7150S | Demoboard DC2411A

LTC7150SEY High Efficiency 20A Synchronous Buck Regulator

Overview

TopologyBuck Converter
Input voltage3.1-20 V
Output 11.2 V / 20 A

Description

Demonstration circuit 2411A is a high efficiency synchronousbuck regulator with a 3.1V to 20V input range. Itcan supply 20A maximum load current at 1.2V output.The demo board features the LTC®7150S regulator. Noexternal MOSFETs nor external current sense resistor arerequired. It uses a phase-lockable controlled on-time constant-frequency, current mode architecture, ideal for highstep-down ratio applications. The operating frequency isprogrammable from 400kHz to 3MHz with an externalresistor (R5). The LTC7150S is housed in a 6mm × 5mm× 1.3mm 42-Lead BGA package.The light load operation mode of the converter is determinedwith the Mode/Sync pin. Use the JP3 jumper toselect discontinuous mode (DCM), forced continuousmode (CCM), or to synchronize to an external clock.Multiple LTC7150S regulators can be paralleled for multiphaseoperation to provide more than 20A of current(JP2: 1-PH, for standard single phase operation). Toshut down the converter, one simple way is to forcethe RUN pin below 1.15V (JP1: OFF). The power goodoutput (PGOOD terminal) is low when the output voltageis outside of the ±7.5% regulation window.The LTC7150S data sheet gives a complete description ofthe operation and application information. The data sheetmust be read in conjunction with this demo manual.

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)
f
(mm)
L
(nH)
LR
(nH)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialPins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples
62000421121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm THT Dual Pin Header 4 4 Dual Pin Header Straight 2 Bag
62000311121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm THT Pin Header 6 3 Single Pin Header Straight 2 Bag
62000621121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm THT Dual Pin Header 6 6 Dual Pin Header Straight 2 Bag
744308033SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCM SMT High Current Flat Wire Inductor 10.1 330 305 27.3 32 0.37 35 MnZn 2 6.8 25
702935000SPEC
3 files Active i| Production is active. Expected lifetime: >10 years.WA-SNSR Self-Retaining Spacer 12.7 4.8 PA66
60800213421SPEC
3 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm Jumper with Test Point 2 Jumper 3 Bag
Order Code Data­sheet Simu­lation
62000421121SPEC
62000311121SPEC
62000621121SPEC
744308033SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

702935000SPEC
60800213421SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)
f
(mm)
L
(nH)
LR
(nH)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialPins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples