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MV380: 520 WATT DC-DC CONVERTER Datasheet PDF Download

Author: Irene
Date: 17 Jan 2022
 110
DC-DC

 

Distributed Power in Telecom, Industrial Control, Wireless, & Computer Applications

INPUT: 380VDC OUTPUT: 26VDC @ 20.0A 520 WATTS

Figure-MV380-26

Size: 2.4 x 4.6 x 0.5 inches

 

Catalog

Description

Features

Model Selection

Absolute Maximum Ratings

Electrical Specifications

Trim Circuit Configurations

Trim Resistor Calculations

Efficiency

Transient Response

Outline Drawing

FAQ about MV380

 

Description

MEGAVERTER DC-DC converters are high density, feature rich modules packaged in the industry standard “full brick” size (2.4 x 4.6 x 0.5 inches) for circuit board mounting. They are used where large blocks of DC power are required. The MV380-26 is designed for use with a PFC front end and provides up to 520 Watts of low noise, 26Vdc power from a universal ac line.

 

Features

High Efficiency: 88%
-40 to +100°C Operation
Constant Frequency
Trim Range: 18V to 30V
Non-Shutdown Over Voltage Protection
Remote Sense
High Power Density: 94 W/cu. in.
Low Noise
Encapsulated
Parallelable with Current Sharing for n+m Redundancy
105°C Over Temperature Protection
Safety Agency Compliant


Model Selection

Model Input Output Output
Number Voltage Voltage Current
  (Vdc) (Vdc) (A)
MV380-26 360-400 26 20.0

 

Absolute Maximum Ratings

Exceeding absolute maximum ratings may cause permanent damage and may reduce reliability.

PARAMETER

MIN

MAX

UNITS

CONDITIONS

Input Voltage (+In to –In)

-0.3

420

Vdc

 

Enable Voltage (Enable to –In)

-0.3

6.0

Vdc

 

Parallel Pin Voltage (Parallel Pin to –In)

-0.3

5.0

Vdc

 

Storage Temperature

-55

+125

°C

 

Operating Temperature

-40

+100

°C

Baseplate

Soldering Temperature (Wave Solder)

 

260

°C

< 5 sec.

Soldering Temperature (Hand Solder)

 

390

°C

< 7 sec.


Electrical Specifications

Electrical specifications apply over the entire range of input voltage, output current, and temperature unless indicated.

INPUT PARAMETERS

MIN

TYP

MAX

UNITS

CONDITIONS

Input Voltage

360

380

400

Vdc

 

Maximum Input Current

 

 

2.5

A

See Input Characteristic Curve

Input Ripple Rejection

 

60

 

dB

@120 Hz

 

OUTPUT PARAMETERS

MIN

TYP

MAX

UNITS

CONDITIONS

Voltage Set Point

25.75

26

26.25

Vdc

380 Vin, 25°C, Full Load

Load Regulation

 

0.3

0.6

%

0 A to Full Load

Line Regulation

 

0.02

0.1

%

Over Vin Range

Voltage Drift w/Temperature

 

 

0.02

%/°C

-40 to +100 °C

Ripple

 

1

2

%Vp-p

5 Hz to 20 MHz

Rated Current

0

 

20.0

A

 

Output Power

 

 

520

W

 

Current Limit Inception

115

120

130

% F.L.

Vout = 95% Vout nominal

Short Circuit Current

 

 

150

% F.L.

Vout = 250 mV

Transient Response Peak Deviation (0.5A/µsec slew rate)

 

5

 

% Vout

Load Change from 25% to 75% to 25% Full Load

Transient Response Settling Time (0.5 A/µsec slew rate)

 

100

 

µsec

Vout within 1% Vout nominal

Efficiency

 

88

 

%

Vin = 380 V, Full Load, 70 °C Case

External Load Capacitance

0

 

3,300

µF

 

 

ISOLATION PARAMETERS

MIN

TYP

MAX

UNITS

CONDITIONS

Input/Output Isolation

 

 

4500

Vdc

 

Input/Baseplate Isolation

 

 

2500

Vdc

 

Output/Baseplate Isolation

 

 

500

Vdc

 

Input-to-Output Capacitance

 

 

4300

pF

Case Floating

Input-to-Output Resistance

10

 

 

M Ohms

 

 

MECHANICAL PARAMETERS

MIN

TYP

MAX

UNITS

CONDITIONS

Weight

230 (7.4)

g (oz.)

 

Size

0.5 x 2.4 x 4.6

Inches

See Outline Drawing

Thermal Resistance, Case-to- Ambient

3.3

°C/W

Case Temperature = 100 °C

 

FEATURE PARAMETERS

MIN

TYP

MAX

UNITS

CONDITIONS

Power Sharing Accuracy

 

 

±5

%F.L.

10 to 100% Full Load (F.L.)

Trim Range

18**

 

30

Vdc

**200mA min. load for Vdc  <20V

Remote Sense Compensation

 

 

0.5

Vdc

 

Over Voltage Protection (Non- Shutdown, Auto. Recovery)

30

 

36

Vdc

25 °C Case

Over Temperature Shut-down

+100

+105

+110

°C

Case Temperature

Turn-On Time

 

600

 

msec

F.L., Vout within 1% of Steady State

Enable *

 

 

 

 

 

Logic Off Threshold

Enable Current (Logic Off) Logic On Threshold

0.8

 

1.0

2.4

V

mA V

Vout = 0 @Venable = 0 V

Turn-On Time

 

2.0

msec

F.L., Vout within 1% of Steady State

* An open collector connection or equivalent is recommended for on/off control.

 

Trim Circuit Configurations

MV380-26-Trim-Circuit-Configuration

 

Trim Resistor Calculations

MV380-26-Trim-Resistor-Calculations


Efficiency

MV380-26-Efficiency


Transient Response

MV380-26-Transient-Response


Outline Drawing

MV380-26-Outline-Drawing

 

FAQ about MV380

What does DC-DC converter do?

DC-DC converters are high-frequency power conversion circuits that use high-frequency switching and inductors, transformers, and capacitors to smooth out switching noise into regulated DC voltages. Closed feedback loops maintain constant voltage output even when changing input voltages and output currents.

 

Is DC to DC basically converter?

A DC-to-DC converter is an electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another. It is a type of electric power converter. Power levels range from very low (small batteries) to very high (high-voltage power transmission).

 

What are the types of DC to DC converter?

There are two types of DC/DC converters: linear and switched.

 

Why we need dc/dc converter explain with an example?

A DC to DC converter takes the voltage from a DC source and converts the voltage of supply into another DC voltage level. They are used to increase or decrease the voltage level. This is commonly used automobiles, portable chargers and portable DVD players.

 

What is a converter?

Converters are electrical devices that convert the voltage from alternating current (AC) to direct current (DC). Inverters are electrical devices that convert the voltage from direct current (DC) to alternating current (AC). ... Always remember, a converter and/or inverter cannot supply an endless amount of power.

 

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