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Analog Devices LTM4677EY | Demoboard DC2418B-A

LTM4677EY and LTM4650 Step-Down μModule Regulator with PMBus Power System Management LTM4677 + LTM4650, 86A

Overview

TopologyOther Topology
Input voltage4.5-15 V
Output 11.8 V / 86 A

Description

Demonstration circuit 2481B-A is a high efficiency, high density, μModule® regulator with 4.5V to 15V input range. The output voltage is adjustable from 0.6V to 1.8V, and it can supply 86A maximum load current. The demo board has 1× LTM®4677 and 1× LTM4650 μModule regulators. The LTM4677 is a dual 18A or single 36A step-down regulator with PMBus power system management, and the LTM4650 is a dual 25A or single 50A step-down regulator. Please see LTM4677 and LTM4650 data sheets for more detailed information. DC2481B-A powers up to default settings and produce power based on configuration resistors without the need for any serial bus communication. This allows easy evaluation of the DC/DC converter. To fully explore the extensive power system management features of the part, download the GUI software LTpowerPlay® onto your PC and use Analog Devices I2C/SMBus/PMBus dongle DC1613A to connect to the board. LTpowerPlay allows the user to reconfigure the part on the fly and store the configuration in EEPROM, view telemetry of voltage, current, temperature and fault status.

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)
f
(mm)
CTol. CVR
(V (DC))
SizeOperating TemperatureDF
(%)
RISOCeramic TypeW
(mm)
Fl
(mm)
Pins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples
885012206054SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 25 V(DC) 1.6150 pF ±10% 25 0603 -55 °C up to +125 °C 3.510 GΩ X7R Class II 0.8 0.4 0.8 7" Tape & Reel
62000311121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm THT Pin Header 6 -40 °C up to +105 °C1000 MΩ 3 Single Pin Header Straight 2 Bag
702935000SPEC
3 files Active i| Production is active. Expected lifetime: >10 years.WA-SNSR Self-Retaining Spacer 12.7 4.8 -30 °C up to +85 °C
60800213421SPEC
3 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.00 mm Jumper with Test Point -25 °C up to +105 °C1000 MΩ 2 Jumper 3 Bag
Order Code Data­sheet Simu­lation
885012206054SPEC
62000311121SPEC
702935000SPEC
60800213421SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(mm)
f
(mm)
CTol. CVR
(V (DC))
SizeOperating TemperatureDF
(%)
RISOCeramic TypeW
(mm)
Fl
(mm)
Pins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples