V25

2

SPECIFICATIONS

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

INPUT SPECIFICATIONS:

GENERAL SPECIFICATIONS:

Input Voltage Range ....……………...............………. 5V .................. 4.7 - 9V

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

12V .................. 9 - 18V

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

24V …….….... 18 – 36V

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

48V …….….... 36 – 75V

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

Under Voltage Lockout ………... 5Vin power up: 4.4V ….. power down: 4.2V

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

12Vin power up: 8.4V ….. power down: 8V

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

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

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

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

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

to +85

℃

℃

Input Surge Voltage (100mS max.) …... 5Vin …………………….. 12Vdc max.

Derating, Above 85

…

℃

.…………..…. Linearly to Zero Power at +105℃

12Vin …………………... 25Vdc max.

Case Temperature (Note 4) ………………………………………….. 105℃

24Vin …………………... 50Vdc max.

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

48Vin ………………... 100Vdc max.

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

to +125

℃

℃

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

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

OUTPUT SPECIFICATIONS:

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

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

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

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

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

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

Weight …………………………………………………………………. 35g

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

NOTE:

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

1. Measured from high line to low line.

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

2. Measured from full load to min. load.

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

3. Maximum case temperature under any operating condition should

Dual …....….....… ±0.5% max.

Not be exceeded 105℃.

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

Dual ……........… ±1.0% max.

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

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

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

1.00

[25.4]

0.400

[10.16]

0.400

[10.16]

0.40

[10.2]

0.200

[5.08]

0.40

[10.2]

0.22

[5.6]

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

0.300

[7.62]

6

NP/Remote(Option)

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

Typical Derating curve for Natural Convection

85

-40

81

105

0%

20%

40%

60%

80%

100%

120%

-40

-20

0

20

40

60

80

100

120

Ambient Temperature(℃)

OTHERS

XXS33,S05,D05