3kW 300v~750V to 27.5v,110a DC-DC converter with CAN 2.0

 Input characteristics

 NO.

 Item

Technical requirements

unit

 Remarks

1.1

 Rated input voltage

360~640

Vdc

 Input voltage range

300—750

1.2

 Maximum input current

9

A

 Continuous Current

1.3

Static state battery drain current

≤10

mA

 Battery drain current shutdown state

1.4

 Input control voltage

9~33

Vdc

2, Output characteristics

2.1

Rated output voltage

13.8

Vdc

Rated input and output half load

2.2

 Output voltage setting

27.5±0.2

Vdc

2.3

 Output Current Range

0-110

A

When the input voltage drops below 480V, the output current linear derating(110A/480V—60A/400V).

2.4

 Maximum output current

125

A

2.5

 Output Power

1500/1600max

W

2.6

 Overall efficiency

≥95

%

 Rated input half load

2.7

 Temperature Coefficient

≤±0.02

%/℃

2.8

Output ripple and noise

≤200

mVp-p

Oscilloscope bandwidth would be 20MHz, the probe capacitance in parallel 10u + 104

2.9

 Starting time

≤2

S

27.5Vdc

Power input voltage to the output voltage established to 27.5Vdc

2.10

Voltage regulation accuracy

≤±1

%

2.11

 Static loss current

≤10

mA

2.12

 control method

 Hardwired / software control

 Hardware high enable

3, Protective properties

3.1

 Input overvoltage protection

250-255

Vdc

3.2

 Input Overvoltage recovery

240-250

Vdc

3.3

 Input under voltage protection

100-120

Vdc

3.4

 Input voltage recovery

110-125

Vdc

3.5

Output overvoltage protection

15-16

Vdc

 Shutdown hiccups

3.6

 Output under voltage protection

≤6

Vdc

Shutdown protection, self-recovery

3.7

 Overcurrent protection

yes

/

3.8

Over-temperature protection

90℃

-

Environment temperature; automatic recovery

3.9

Output short circuit protection

 yes

/

Shutdown protection, when the fault is removed can be automatically restored

3.10

Output reverse polarity protection

 yes

/

Under static conditions when the 24v battery reversed, module protection, self-recovery when the fault is removed

3.11

Fan failure protection

yes

/

When a fan fault module automatically derating until the module overtemperature protection disables the output; also reported fan failure alarm.