V25

2

SPECIFICATIONS

All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted

INPUT SPECIFICATIONS:

GENERAL SPECIFICATIONS:

Input Voltage Range ....……………...............………. 12V ….............. 9 - 18V

Efficiency ...........................................………..………............ See Table

24V ….…….... 18 – 36V

Isolation Voltage .................................……..………......... 1500 VDC min.

48V ….…….... 36 – 75V

Isolation Resistance .....................…….…………...……… 10

Under Voltage Lockout …….…. 12Vin power up: 8.4V ……. power down: 8V

Isolation Capacitance …………………..………………..…… 1000pF typ.

24Vin power up: 17V ........ power down: 16V

Switching Frequency ............................……......................... 350KHz typ.

48Vin power up: 34V ……. power down: 32V

EMI/RFI ……….……...…….…. Conductive EMI Meets EN55022 Class A

Input Surge Voltage (100mS max.) … 12Vin ……………………. 25Vdc max.

Case Grounding …..……. Connect Case to -Vin with Decoupling Y Cap

24Vin ……………………. 50Vdc max.

Operating Ambient Temperature Range ...……...…….... -40

to +85

℃

℃

48Vin ……………….… 100Vdc max.

Derating, Above 78

……………..…. Linearly to Zero Power at +10

℃

5℃

Input Filter …………………………….……..……….………….…………. Pi Type

Case Temperature (note4) ….……………………………………….. 105℃

OUTPUT SPECIFICATIONS:

Cooling ………………………………………………… Natural Convection

Voltage Accuracy …………………...……………….......…….…… ±1.5% max.

Storage Temperature Range ...…............……....…....... -55

to +125

℃

℃

Voltage Balance (Dual) …….……………………………………..…. ±2.0% max.

Humidity ……..……………………..…… 95% RH max. Non condensing

Transient Response: 25% Step Load Change ............…........……… <500µs

MTBF …… MIL-STD-217-F, GB, 25℃, Full Load ……… 1200Khrs typ.

Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) …...… 100mV pk-pk max.

Dimensions ...................….. 2.00x1.00x0.4 inches (50.8x25.4x10.2 mm)

Temperature Coefficient ....................….......………...…..……….. ±0.03%/℃

Case Material ……..… Black Coated Copper with Non-Conductive Base

Short Circuit Protection ...................…....…………………..……….. Continuous

Weight ……………………………………………………………………. 35g

Line Regulation (note1) ..………….……... Single ….……………... ±0.2% max.

NOTE:

Dual ….…................… ±0.5% max.

1. Measured from high line to low line.

Load Regulation (note2) …….…………… Single ……………….... ±0.2% max.

2. Measured from full load to min. load.

Dual …….................… ±1.0% max.

3. Maximum case temperature under any operating condition should

Cross Regulation (Dual output) Load cross variation 10%/100% …. ±5% max.

Not be exceeded 105℃.

Over Voltage Protection ……………………….………… Zener or TVS Clamp

Current Limit ……………………………………. 110% - 140% Nominal Output

Start up time …………………………………………………..……… 20ms max.

OPTION:

1. Suffix ”T” to the model number with remote positive on/off control:

Logic Compatibility ….. CMOS or Open Collector TTL, Referenced to -Vin

Module on ………………..……… >5.5VDC to 75VDC or open circuit

Module off ……………………………………………….…………. <1.2VDC

2. Suffix “A” to the model number with output voltage adjustable

external trim adj. range≦±10%, single output models only.

CASE B Dimensions:

BOTTOM

VIEW

1

2

5

4

3

min

Tolerances

Inches: X.XX= ±0.04 , X.XXX= ±0.010

Millimeters: X.X= ±1.0 , X.XX=±0.25

All Dimensions In Inches (mm)

6

NOTE: Pin Size is 0.04±0.004 Inch (1.0±0.1 mm)DIA

0.40

[10.2]

0.200

[5.08]

0.300

[7.62]

1.00

[25.4]

0.400

[10.16]

0.400

[10.16]

0.22

[5.6]

0.40

[10.2]

PIN CONNECTION

Pin

1

2

3

4

5

+Input

-Input

+V Output

Common/NP/Trim(Option)

-V Output

Function

*NP-NO PIN ON SINGLE OUTPUT

6

NP/Remote(Option)

Typical Derating curve for Natural Convection

78

-40

73

105

0%

20%

40%

60%

80%

100%

120%

-40

-20

0

20

40

60

80

100

120

Ambient Temperature(oC)

OTHERS

XXD05