V10
1
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
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.
OUTPUT CURRENT
INPUT CURRENT
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
MIN. MAX.
NO LOAD
FULL LOAD
% Eff.
CAPACITIVE
LOAD MAX.
CFB600-300S12
180-425 VDC
12 VDC 0 mA 50 A 10 mA 2.24 A 89.5 10000uF
CFB600-300S24
180-425 VDC
24 VDC 0 mA 25 A 10 mA 2.21 A 90.5 10000uF
CFB600-300S48
180-425 VDC
48 VDC 0 mA 12.5 A 10 mA 2.20 A 91 8000uF
V10
2
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS:
Input Voltage Range ....………….......…......... 300V ................. 180-425V
Efficiency ................…..................................……..........…....... See Table
Input Over Voltage Protection ……………… Module on …….…….. 480V
Isolation Voltage ..................... Input/Output ....………..….. 3000VAC min.
Module off ……...…… 500V
Input/Case .…….…….….. 2500VAC min.
Under Voltage Lockout ………..… 300Vin Power Up .…..…………. 170V
Output/Case ……………… 500VAC min.
300Vin Power Down ……….…. 160V
Isolation Resistance ...................................…............…….... 10
7
ohm min.
Positive Logic Remote On/Off (note5&6)
Isolation Capacitance ……………………………….…………. 3100pF typ.
Input Filter ………………………………………………..…...….. Capacitive
Switching Frequency .......................…………………………... 200KHz typ.
OUTPUT SPECIFICATIONS:
Operating Case Temperature ……....….....…… ........ -40℃ to 100℃
Voltage Accuracy .........................................………….......... ±1.5% max.
Storage Temperature …………………...…....……............ -55℃ to +105℃
Transient Response:25% Step Load Change .…......…………… <500µs
Thermal Shutdown, Case Temp. ………………….……..……. 105℃ typ.
External Trim Adj. Range (note4) ……....…………..……….…...
60-110%
Humidity .................................................... 95% RH max. Non condensing
Load share Accuracy ………………..… ±10% at 50% to 100%Full Load
MTBF ………… MIL-STD-217F, GB, 25℃, Full Load ...…… 420Khrs typ.
Auxiliary output voltage/current ……….…………… 10±3Vdc/20mA max.
Dimensions ....................... 4.60×2.40 x0.50 inches (116.8x61.0x12.7 mm)
Ripple & Noise, 20MHz BW (note3)
Case Material ................…............. Aluminum Baseplate with Plastic Case
12V ………….…… 75mV RMS max., 150mV pk-pk max.
Weight …………………………………………………………….. 230g typ.
24V ……….....…… 150mV RMS max., 300mV pk-pk max.
NOTE :
48V ………….....… 200mV RMS max., 480mV pk-pk max.
1. Measured from high line to low line.
Temperature Coefficient …..................………..............…..... ±0.03%/°C
2. Measured from full load to zero load.
Short Circui
t
Protection ……………………………………… Continuous
3. Output ripple and noise measured with 1uF ceramic capacitor across
Line Regulation (note1) ......………………….………...............±0.2% max.
output.
Load Regulation (note2) .........………………………….…...... ±0.5% max.
4. The output adjustment circuit and trim equations show as figure1 and
Over Voltage Protection Trip Range, % Vo nom ……….…… 115-140%
figure2.
Current Limit ………………..……………… 105% -125% Nominal Output
5. Logic compatibility ……………
open collector refer to -Vin
Start up time ………………………………………..…………….. 40ms typ.
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
TRIM
PC/NC
AUX
IOG
16
15
13
14
-Vin
+Vin
+ON/OFF
-ON/OFF
-S
+S
-Vo
+Vo5 - 7
8 - 10
12
11
3
4
2
1
PIN NUMBER
PIN CONNECTIONS
FUNCTION
5
6
7
8
9
10
-Vo
-Vo
+Vo
-Vo
+Vo
+Vo
11
12
14
13
15
16
4
3
2
1
Mounting Inserts
3.5 Through 4Pl.
4.60[116.8]
0.50[12.7]
0.22[5.5]
ON/OFF
+Vin
-Vin
-S
+S
TRIM
PC/NC
IOG
AUX
-
+
0.199[5.05] 4.20[106.7]
1.701[43.20]
1.301[33.04]
0.901[22.88]
0.751[19.07]
4.099[104.11]
3.949[100.30]
3.799[96.49]
3.649[92.68]
3.499[88.87]
3.349[85.06]
2.40[61.0]
0.900[22.86]
0.400[10.16]
1.400[35.56]0.501[12.72]
0.20[5.1] 2.00[50.8]
2.251[57.17]
Tolerances Inches: .XX±0.02 .XXX±0.010 ±0.004
Millimeters: .X±0.5 .XX±0.25 ±0.1
All Dimensions In Inches(mm) Pin DIA
Figure1 The schematic of output
voltage adjusted by using external
resistor and/or variable resistor.
The output voltage can be
determined by below equations:
VfVRVoVout
Rt
Rt
Rt
Rt
Vf
×+=
+
×
+
+
×
×
=
)(
33
33
68.7
)
33
33
(24.1
Unit: KΩ
Vo: Nominal Output Voltage
Rt =6.8KΩ
Figure 2 The schematic of output
voltage adjusted by using external DC
voltage.
Output Voltage = TRIM Terminal
Voltage * Nominal Output Voltage
