V20

2

SPECIFICATIONS

All Specifications Typical At Nominal Line, Full Load, and 25

Unless Otherwise Noted

℃

INPUT SPECIFICATIONS:

GENERAL SPECIFICATIONS:

Input Voltage Range

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

12V ............ 9-18V, 24V …........ 18-36V, 48V ................ 36-75V

Isolation Voltage ….......….. Input/Output ….……..…..…. 1500VDC max.

Input Surge Voltage (100ms max.)

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

12V .... 25Vdc max., 24V ..... 50Vdc max., 48V ..... 100Vdc max.

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

Under voltage lockout

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

12Vin: power up …………..… 8.8V, power down …….…… 8.0V

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

to +85

℃

℃

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

De-rating, Above 60

…………

℃

.……… Linearly to Zero power at 100℃

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

Case Temperature (note8) …………….…………………….. 100

max.

℃

Positive/Negative Logic Remote On/Off (note5&6)

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

Input Filter ……………………………………………………..….……… PI Type

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

to +125

℃

℃

OUTPUT SPECIFICATIONS:

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

Voltage Accuracy ……… Single/Dual ……….……..……………… ±1.5%max.

MTBF… MIL-STD-217F, GB, 25

, Full Load

℃

Dual positive …..… 3.3V±1.5% max., 5V±3% max.

XXD3305 … 500Khrs typ., Others …… 700Khrs typ.

Triple ….. Main ±1.5% max., Auxiliary ±3.0% max.

Thermal Shutdown, Case Temperature ……………...……. 110

Typical

℃

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

Dimensions ………….……. 2.00×2.00x0.40 inches(50.8x50.8×10.2 mm)

Transient Response: 75% - 100% Step Load Change (Main Output)

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

Error Band … ±5% Vout nominal, Recovery Time …….. < 300us

Weight ……………………..…………………………………………….. 65g

Output Voltage Adjustment Range ... Single/Dual Vo±10%, Dual Positive±5%

Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC)

2.5V&3.3V&5V ……….. 50mVpp,max., 12V&15V ….… 75mVpp max.

Dual ±12V ………. 120mVpk-pk, max., ±15V …..….. 150mVpk-pkmax.

Dual positive +3.3V /+5V ………………………….…. 100mVpk-pk max.

Temperature Coefficient …..............………….……..……....…….. ±0.02%/°C

Line Regulation (note1) ……... Single/Dual/Dual positive ……... ±0.5% max.

Triple …… Main ..… ±1.0% max., Auxiliary ….. ±3.0% max.

Load Regulation (note2) ….…..……… Single ±0.5% max., Dual ±1.0% max.

Dual positive (note3) …...… 3.3V ±1.5% max., 5V±4% max.

Triple … Main ..… ±1.0% max., Auxiliary ..…… ±4.0% max.

Cross Regulation (note 4) ….………....… +3.3V±1.0% max. +5V±4.0% max.

Over voltage Protection (Zener Diode Clamp) …........... 2.5V ……. 3.6Vdc typ.

3.3V ………..…..…. 3.9Vdc typ., 5V …..………. 6.2Vdc typ.

12V …….………..… 15Vdc typ., 15V ……….…. 18Vdc typ.

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

Output Short Circuit Protection …..................….…. Continuous (hiccup mode)

Start up time …………………………………….………………..…... 10ms typ.

NOTE:

1. Measured from high line to low line(dual positive at rated load).

2. Measured from full load to 10% load.

Case C Dimensions:

3. Measured from max. load to zero load, other output at zero load.

NOTE:Pin Size is 0.02±0.002 Inch(0.5±0.05mm)DIA

4. Measured from max. load to 10% load, other output at 10% load.

All Dimensions In Inches(mm)

5. Logic compatibility …. CMOS or Open Collector TTL, ref. to –Vin

Tolerance

Inches: X.XX=±0.02, X.XXX=±0.010

Module On

……………………… >3.5Vdc to 75Vdc or Open Circuit

Millimeters: X.X=±0.5, X.XX=±0.25

Module Off ……………………………………………………. <1.8Vdc.

6. Suffix “N” to the model number with negative logic remote on/off

Module On …………………………………………..………… <1.8Vdc,

Module Off ………………..…….. >3.5Vdc to 75Vdc or Open Circuit

7. If +/-Sense is not being used, the +sense should be connected to

+Vout and likewise the –sense should be connected to–Vout.

8. Maximum case temperature under any operating condition should

not be exceeded 100

.

℃

10K Ohms

+Sense(6)

Trim(9)

-Sense(5)

TRIMPOT

TRIM UP

TRIM DOWN

10K Ohms

Common(6)

Trim(9)

-Vout(8)

TRIMPOT

TRIM UP

TRIM DOWN

Single Output

Dual Output

EXTERNAL OUTPUT TRIM

Typical Derating curve for Natural Convection

-40

100

60

0%

50%

100%

150%

-40

-20

0

20

40

60

80

100

Natural

Convection

PIN CONNECTION

Pin

Dual

1

3

2

5

4

Trim

On / Off

Common

No Pin

+V Output

- V Output

6

7

9

8

Common

Single

On / Off

+V Input

NC

- V Input

- Sense

+V Output

- V Output

Dual Positive

On / Off

Com(5V RTN)

+3.3Vout

Com(3.3V RTN)

NC

+5V Output

Trim

+Sense

Trim

*NC : NO CONNECTION WITH PIN

Triple

On / Off

NC

+A ux. Out

Common

+V Output

- V Output (Comm on)

- A ux. Out

+V Input

- V Input

+V Input

- V Input

+V Input

- V Input

BOTTOM VIEW

3

2

1

9

8

7

6

5

4