V10
CFB600-300 SERIES
600 WATT 2:1 INPUT
DC-DC CONVERTERS
FEATURES
* 600W Isolated Output
* Efficiency to 91%
* Fixed Switching Frequency
* Input Under-Voltage Protection
* Over Temperature Protection
* Over Voltage/Current Protection
* Remote On/Off
* Industry Full-Brick Package
* Safety Meets UL 60950-1
* Fully Isolated 3000VAC
* Off-Line Systems Using PFC Front-Ends
MODEL
NUMBER
INPUT
OUTPUT
OUTPUT CURRENT
VOLTAGE VOLTAGE
MIN.
MAX.
12 VDC
24 VDC
48 VDC
0 mA
0 mA
0 mA
50 A
25 A
12.5 A
INPUT CURRENT
NO LOAD
FULL LOAD
% Eff.
89.5
90.5
91
CAPACITIVE
LOAD MAX.
CFB600-300S12 180-425 VDC
CFB600-300S24 180-425 VDC
CFB600-300S48 180-425 VDC
10 mA
10 mA
10 mA
2.24 A
2.21 A
2.20 A
10000uF
10000uF
8000uF
NOTE:
1. Nominal Input Voltage 300 VDC.
2. The output terminal required a minimum capacitor 470uF to maintain specified regulation.
3. Measure at Nominal Input Voltage.
1
V10
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25
℃
Unless Otherwise Noted
INPUT SPECIFICATIONS:
Input Voltage Range ....………….......…......... 300V ................. 180-425V
Input Over Voltage Protection ……………… Module on …….…….. 480V
Module off ……...…… 500V
Under Voltage Lockout ………..… 300Vin Power Up .…..…………. 170V
300Vin Power Down ……….…. 160V
Positive Logic Remote On/Off (note5&6)
Input Filter ………………………………………………..…...….. Capacitive
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.
Isolation Capacitance ……………………………….…………. 3100pF typ.
Switching Frequency .......................…………………………... 200KHz typ.
Operating Case Temperature
……....….....……........
-40℃ to 100℃
Storage Temperature …………………...…....……............ -55℃ to +105℃
Thermal Shutdown, Case Temp. ………………….……..……. 105℃ typ.
Humidity .................................................... 95% RH max. Non condensing
MTBF ………… MIL-STD-217F, GB, 25℃, Full Load ...…… 420Khrs typ.
Dimensions ....................... 4.60×2.40 x0.50 inches (116.8x61.0x12.7 mm)
Case Material ................…............. Aluminum Baseplate with Plastic Case
Weight …………………………………………………………….. 230g typ.
OUTPUT SPECIFICATIONS:
Voltage Accuracy .........................................…………..........
±1.5%
max.
Transient Response:25% Step Load Change .…......…………… <500µs
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 ………….…… 75mV RMS max., 150mV pk-pk max.
24V ……….....…… 150mV RMS max., 300mV pk-pk max.
48V ………….....… 200mV RMS max., 480mV 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
Start up time
………………………………………..……………..
40ms typ.
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 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
7. An external input capacitor 330uF for all models are recommended to
reduce input ripple voltage.
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]
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
-
3
4
7
+Vo
6
+Vo
0.751[19.07]
+
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]
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
Rt =6.8KΩ
)
Output Voltage = TRIM Terminal
Voltage * Nominal Output Voltage
Figure1 The schematic of output
voltage adjusted by using external
resistor and/or variable resistor.
Figure 2 The schematic of output
voltage adjusted by using external DC
voltage.
2
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