V10
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....………….......…......... 300V ................. 200-425V
Input Over Voltage Protection …………… Module on ……….. 480V
Module off ………. 500V
Under Voltage Lockout ………...… 300Vin power up .….……..…. 195V
300Vin power down .….….…. 180V
Positive Logic Remote On/Off (note5&6)
Input Filter ………………………………………………..…...……... C Type
GENRAL SPECIFICATIONS:
Efficiency .................…..................................……..........…....... See Table
Isolation Voltage ..................... Input/Output ....………..….. 3000VAC min.
Input/Case ……….……….. 2500VAC min.
Output/Case ……………… 500VAC min.
7
Isolation Resistance .............................…..................…….... 10 ohm min.
Switching Frequency ...................…………………………... 200KHz typ.
Operating Case Temperature
……....….....……........
-40℃ to 85℃
Storage Temperature …………………...…....……............ -55℃ to +105℃
Thermal Shutdown, Case Temp. …………………………..……. 95℃ typ.
Humidity .................................................... 95% RH max. Non condensing
MTBF …………… MIL-STD-217F, GB .……………………… 370Khrs typ.
Dimensions ...................... 4.60×2.40x0.50 inches(116.8x61.0×12.7 mm)
Case Material ................…....…… Aluminum Baseplate with Plastic Case
Weight ……………………………………………………………….. 230g typ.
OUTPUT SPECIFICATIONS:
Voltage Accuracy ........................................…………..........
±1.5%
max.
Transient Response:25% Step Load Change .……………… <500u sec.
External Trim Adj. Range (note4) ………………………………… 60-110%
Load share Accuracy …….……….……
±10%
at 50% to 100% Full Load
Auxiliary Output Voltage/current …………………… 10±3Vdc/20mA max.
Ripple & Noise, 20MHz BW (note3)
12V&15V ……………… 150mV RMS max., 300mV pk-pk max.
24V&28V ……………… 300mV RMS max., 600mV pk-pk max.
36V ………………..…… 300mV RMS max., 650Mv pk-pk max.
48V ……………...…..… 350mV RMS max., 750mV pk-pk max
Temperature Coefficient …….................………..............….....
±0.03%/°C
Short Circui
t
Protection ………………………………………… Continuous
Line Regulation (note1) .....………………….………..........….
±0.2%
max.
Load Regulation (note2) .........………………………….…......
±0.5%
max.
Over Voltage Protection trip Range, % Vo nom ……………… 115-140%
Current Limit …………………………….…… 105-125% Nominal Output
NOTE :
1. Measured from high line to low line.
2. Measured from full load to zero load.
3. Output ripple and noise measured with 1uF ceramic capacitor and
1000uF aluminum capacitor across output.
4. The output adjustment circuit and trim equations show as Figure1 and
Figure2.
5. Logic compatibility……………open collector refer to -Vin
Module on …………………………… >3.5Vdc to 75Vdc or Open Circuit
Module off ……………………………………………..…………… <1.2Vdc
6. Suffix “N” to the model number with negative logic remote on/off
Module on ………………………………………………………… <1.2Vdc
Module off …………………………… >3.5Vdc to 75Vdc or Open Circuit
CASE FB
CASE FB
All Dimensions In Inches(mm)
Tolerances
Inches: .XX±0.02 .XXX±0.010
Millimeters: .X±0.5
.XX±0.25
4.099[104.11]
3.949[100.30]
3.799[96.49]
3.649[92.68]
3.499[88.87]
3.349[85.06]
16
AUX
15
IOG
14
PC/NC
13
TRIM
12
+S
11
-S
Pin DIA
±0.004
±0.1
PIN CONNECTIONS
PIN NUMBER
1
-Vo
FUNCTION
-Vin
+Vin
-ON/OFF
+ON/OFF
+Vo
-Vo
-S
+S
TRIM
PC/NC
IOG
AUX
10
1
-Vin
2
0.900[22.86]
1.400[35.56]
CFB750 Output Voltage Adjustment Range
9
-Vo
3
2.00[50.8]
2.251[57.17]
2.40[61.0]
2
+Vin
8
-Vo
4
5-7
8 - 10
11
12
1.701[43.20]
1.301[33.04]
0.901[22.88]
ON/OFF
-
0.751[19.07]
3
4
7
+Vo
6
+Vo
+
5
+Vo
0.400[10.16]
0.20[5.1]
4.20[106.7]
0.501[12.72]
0.199[5.05]
13
14
15
16
Mounting Inserts
3.5 Through 4Pl.
0.50[12.7]
0.22[5.5]
4.60[116.8]
CFB750-300SXX Derating
The output voltage can be determined
by below equations:
1.24
×
(
Vf
=
7.68
+
Rt
×
33
Rt
+
33
Rt
×
33
Rt
+
33
Vout
=
(
Vo
+
VR
)
×
Vf
Unit: KΩ
Vo: Nominal Output Voltage
)
Output Voltage = TRIM
Terminal Voltage * Nominal
Output Voltage
Fig.2 The schematic of
output voltage adjusted by
using external DC voltage.
Fig.1 The schematic of output voltage
adjusted by using external resistor
and/or variable resistor.
2
Analogue and Mixed Signal
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