V26

2

SPECIFICATIONS

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

INPUT SPECIFICATIONS:

GENRAL SPECIFICATIONS:

Input Voltage Range....………………........ 24V ….............. 9 – 36V

Efficiency

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

48V .................. 18

– 75V

Isolation Voltage ... Input/Output, Input/Case, Output/Case ... 1500VDC min.

Input Surge Voltage (100ms max.)

……....… 24V ……......... 50Vdc max.

Isolation R

48V .............. 100Vdc max.

Isolation Capacitance

…………………..………………...…..…… 1000pF typ.

Under Voltage Lockout:

Switching Frequency ........…………..........................….……... 300KHz typ.

24Vin .

……… power up ……... 8.8V, power down …….. 8V

Operating Case Temperature ..………......….....….…........ -40℃ to 100℃

48Vin ….…… power up …...…. 17V, power down …… 16V

Storage Temperature ………………....…....……............... -55℃ to +105℃

Positive Logic Remote On/Off (note3&4)

Thermal Shutdown Ca

se Temp. .…………………..……...……. 100℃ typ.

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

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

OUTPUT SPECIFICATIONS:

MTBF

………. MIL-HDBK-217F, GB, 25℃, Full Load …..…… 1000Khrs typ.

Voltage Accuracy (note7)

…............................……...........

1.0% max.

Dimensions .....................

…... 2.28x2.40x0.50 inches (57.9x61.0x12.7 mm)

Transient Response: 25

% Step Load Change .…………….…… <500μs

Case Material ............................

..........………….……………….. Aluminum

External Trim Adj. Range ……………………………………………

10%

Weight

…………….…………..…………………….……………………… 94g

Ripple & Noise, 20MHz BW (note5)

NOTE:

3.3V&5V ….……. 40mV RMS max., 100mV pk-pk max.

1. Measured from high line to low line.

12V&15V …….… 60mV RMS max., 150mV pk-pk max.

2. Measured from full load to zero load.

24V ………..…... 100mV RMS max., 240mV pk-pk max.

3. Logic c

ompatibility …..…. open collector ref to -input

28V

……..…...… 100mV RMS max., 280mV pk-pk max.

Module on

………….…….……... >3.5VDC to 75VDC or open circuit

48V

…………..... 200mV RMS max., 480mV pk-pk max.

Module off

…………………….……………………..….. 0 to <0.8VDC

Temperature Coefficient ..............

......………..................

0.03%/C max.

4. Suffix "N" to the model number with negative logic remote on/off.

Short Circuit Protection

.........………………........................... Continuous

Module on

………………….………………..….……….. 0 to <0.8VDC

Line Regulation (note1&7

) ……........................................….

0.2% max.

Module off

…………..............…. >3.5VDC to 75VDC or open circuit

Load Regulation (note2&7

) ……............…............................

0.2% max.

5. Output ripple and noise measured with 10uF tantalum and 1uF ceramic

Over Voltage Protection Trip Range, % Vo nom. .................. 115-140%

capacitor across output. (48V: 1uF ceramic cap. only)

Current Limit .................……………….... 110% -160% Nominal Output

6. Suff

ix “-C” to the model number with clear mounting insert (3.2mm DIA.)

Start up Time

……………………………….…………………..…... 5ms typ.

7. Require a 47uF aluminum capacitor connected between +Vout and

–Vout

for 48Vout models.

6

Trim

+Sense

+V Output

9

7

8

2*R1.50

BOTTOM VIEW

M3*0.5 Through 4pl.

Function

On/Off

CASE

-V Input

-V Output

-Sense

+V Input

3

4

5

Pin

1

2

Mounting Inserts

Millimeters: X.X= ±0.5 , X.XX=±0.25

All Dimensions In Inches(mm)

CASE HB

Tolerances

Inches: X.XX= ±0.02 , X.XXX= ±0.010

2.28

[57.9]

1.90

[48.3]

0.50

[12.7]

0.18

[4.6]

min.

REMOTE ON/OFF CONTROL

ON/OFF (2)

-VIN (4)

HIGH SIGNAL HERE

DISABLE OUTPUT

EXTERNAL OUTPUT TRIM

+SENSE (8)

TRIM (7)

-SENSE (6)

TRIM UP

TRIM DOWN

+SENSE (8)

TRIM (7)

-SENSE (6)

10K ohms

TRIMPOT