V25
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 m
Isolation Resistance .............................…..…...............…….... 10
7
ohm min.
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 Case Temp. .…………………..……...……. 100℃ typ.
Input Filter ………………………………………………..………... Pi Type
Humidity ...................................................... 95% RH max. Non condensing
OUTPUT SPECIFICATIONS:
MTBF ………. MIL-STD-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 compatibility …..…. 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 ………………………….……………………..….. <0.8VDC
Temperature Coefficient ....................………........................ ±0.03%/°C
4. Suffix "N" to the model number with negative logic remote on/off.
Short Circuit Protection .........………………........................... Continuous
Module on ……………………….………………..….……….. <0.8VDC
Line Regulation (note1&7) ……........................................…. ±0.2% max.
Module off …………..............…. >3.5VDC to 75VDC or open circuit
Load Regulation (note2&7) ……............…............................ ±
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. Suffix “-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
+Vout
9
7
8
BOTTOM VIEW
M3*0.5 Through 4pl.
Function
ON/OFF
CASE
-Vin
-Vout
-Sense
+Vin
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
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