Absolute maximum rating

Operating conditions

Input Voltage: 425V

Output Power: 825W

Storage temperature: -65～135℃

Lead welding temperature（10s）： 300℃

Junction Temperature:＜150℃

Input voltage: 200～400V

Working temperature（Tc）：-55～100℃

No.

Character

Symbol

Conditions

（ Unless otherwise specified，-55℃≤Tc≤125℃，VIN=270V）

Limit value

Unit

min

max

1

Input under-voltage/V

turn-on voltage

VINL-ONT

VINL-OFF

TA=25℃

185

195

V

Turn-off voltage

TA=25℃

170

180

V

2

Output Voltage

Vo

Full-load

TA=25℃

11.88

12.12

V

Tc=-55℃

TC=100℃

11.8

12.2

3

Output Current

Io

Vin=200V～400V

-

62.5

A

4

Voltage regulation

Sv

200V  400V， Full-load

TA=25℃、 Tc=-55℃ and TC=100℃

-

±0.20

%

5

Load regulation

S1

No-load Full-load

TA=25℃、 Tc=-55℃ andTC=100℃

-

±0.50

%

6

Output voltage regulation range

VTR

TA=25℃，Full-load

-20

10

%

7

Output ripple voltage

VPP

BW≤20MHz， full-load, peak-peak

TA=25℃、 Tc=-55℃ and TC=100℃

-

200

mV

8

Output over-voltage protection point

VOVP

TA=25℃，design guarantee

13.2

15.6

V

9

Output current for over-current protection

Iimax

TA=25℃

69

81

A

10

efficiency

η

Vin=270V，full load， TA=25℃

92

-

%

a test only be needed when identified inspection or parameters are effected by changing process; b  design guarantee, do not require test

characteristics

conditions

（ Unless otherwise specified ，-55℃≤Tc≤125℃，VIN=270V±10V）

criteria

Using function

ON/OFF voltage is over 2.4V, TA=25℃

No output

ON/OFF voltage is lower than 0.7V or hung in the air, TA=25℃

Normal Output