V27

2

SPECIFICATIONS

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

INPUT SPECIFICATIONS:

GENRAL SPECIFICATIONS:

Input Voltage Range....……………........................ 24V .................. 18-36V

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

48V ................. 36-75V

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

Input Surge Voltage (100ms max.) ……...… 24V …... 50Vdc max.

48V .…... 100Vdc max.

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

Under Voltage Lockout:

Switching Frequency .....................................……................. 500KHz typ.

24Vin …………….. Power Up ….... 17V, Power Down …..… 16V

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

48Vin ..……..….….. Power Up ….… 34V, Power Down …….. 32.5V

Storage Temperature …………….............…................. -40℃ to +105℃

Positive Logic Remote On/Off (note3&4)

Thermal Shutdown Case Temperature ..………….…………..……. 100℃ typ.

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

Humidity .................................................... 95% RH max. Non Condensing

OUTPUT SPECIFICATIONS:

MTBF ………. MIL-HDBK-217F, GB, 25℃, Full Load ………… 900Khrs typ.

Voltage Accuracy ..........................................……….......... ±1.0% max.

Dimensions ............................ 2.28×2.40x0.50 inches (57.9x61.0×12.7 mm)

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

Case Material ................…......................…………………... Aluminum

External Trim Adj. Range ……........................................................ ±10%

Weight ………..……………………………………………………………… 95g

Ripple & Noise, 20MHz BW (note5)

NOTE:

3.3V & 5V ….........…….. 40mV RMS max.

1. Measured from high line to low line.

100mV pk-pk max.

2. Measured from full load to zero load.

12V & 15V ……………….. 60mV RMS max.

3. Logic compatibility …. open collector ref to -Input

150mV pk-pk max.

Module on …...………………………………………… open circuit

24V ……………………… 100mV RMS max.

Module off …………………………….………..…….. 0 to < 0.8Vdc

240mV pk-pk max.

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

Temperature Coefficient ....................………............…..... ±0.03%/°C max.

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

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

capacitor across output.

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

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

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

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

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

Start up time …………………….………….……………………..... 5ms typ.

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.

ON/OFF (2)

-VIN (4)

HIGH SIGNAL HERE

DISABLE OUTPUT

+SENSE (8)

TRIM (7)

-SENSE (6)

TRIM UP

TRIM DOWN

+SENSE (8)

TRIM (7)

-SENSE (6)

10K ohms

TRIMPOT

REMOTE ON/OFF CONTROL

EXTERNAL OUTPUT TRIM