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产品信息
CFB750-300 系列 750 W
2:1 输入范围
DC-DC 电源转换器
特性
* 750 w输出
*效率90%
*固定开关频率
*输入欠压保护
*过温度保护
* /电压/电流保护
*远程开/关
*I/O电压3000伏
*使用PFC离线系统前端
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MODEL |
INPUT |
OUTPUT |
OUTPUT CURRENT |
INPUT CURRENT |
效率 Eff. |
CAPACITIVE |
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NUMBER |
VOLTAGE |
VOLTAGE |
MIN. |
MAX. |
NO LOAD |
FULL LOAD |
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LOAD MAX. |
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CFB750-300S12 |
200-425VDC |
12VDC |
0 mA |
62.5 |
A |
10 mA |
2.84 A |
88 |
10000uF |
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CFB750-300S15 |
200-425VDC |
15VDC |
0 mA |
50 A |
10 mA |
2.84 A |
88 |
10000uF |
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CFB750-300S24 |
200-425VDC |
24VDC |
0 mA |
31.2 |
A |
10 mA |
2.78 A |
90 |
10000uF |
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CFB750-300S28 |
200-425VDC |
28VDC |
0 mA |
26.7 |
A |
10 mA |
2.78 A |
90 |
10000uF |
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CFB750-300S48 |
200-425VDC |
48VDC |
0 mA |
15.6 |
A |
10 mA |
2.78 A |
90 |
8000uF |
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NOTE: 1. Nominal Input Voltage 300 VDC
2. The output terminal required a minimum capacitor 1000uF to maintain specified regulation.
3. Measure at Nominal Input Voltage
m
1
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(5&6)
Input Filter ………………………………………………..…...……... C Type
OUTPUT SPECIFICATIONS:
Voltage Accuracy : ........................................………….......... ±1.5% max.
Transient Response:25% Step Load Change .………………<500u sec. E x t e r n a l T r i m A d j . R a n g e ( 4 ) … … … … … … … … . … … .
. . . . . . . . . . . . . . . . . . 6 0 - 1 1 0 % Load share Accuracy.……………….……±10% at 50% to 100%Full Load Auxiliary output voltage/current……………………10±3Vdc/20mA max. Ripple & Noise, 20MHz BW (3)
12V&15V……………150mV RMS max., 300mV pk-pk max.
24V&28V……………300mV RMS max., 600mV pk-pk max. 48V……………350mV RMS max., 750mV pk-pk max.
Temperature Coefficient……..................………..............…..... ±0.03%/°C Short Circuit Protection……………………………………………Continuous Line Regulation(1) .............………………….………..................…. ±0.2% Load Regulation(2) .................………………………….........…...... ±0.5% Over Voltage Protection trip Range ,% Vo nom…………………115-140% Current Limit…………………………………105% ~125% Nominal Output
GENRAL SPECIFICATIONS:
Efficiency.................…..................................……..........….......See Table
Isolation Voltage .....................Input/Output....………..….. 3000VAC min.
Input/Case.……….………..2500VAC min.
Output/Case……………… 500VDC min.
Isolation Resistance .............................…............…….... 10^7 ohm min. Switching Frequency ...................…………………………... 200KHz, Typ.
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Operating Case Temperature …….... |
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-40℃ to 85℃ |
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℃ |
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Storage Temperature…………………....…....……............ -55 to +105 |
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Thermal Shutdown, Case Temp. ………………………..……. 95 |
℃ |
Typ. |
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Humidity .................................................. |
95% RH max. Non condensing |
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MTBF…………… MIL-STD-217F, GB .……………………………T.B.D. hrs
Dimensions ...................... 4.60′2.40x0.50 inches(116.8x61.0′12.7 mm) Case Material ................…....……Aluminum Baseplate with Plastic Case Weight …………………………………………………………….. 230g 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 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
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All Dimensions In Inches(mm) |
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Pin DIA |
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Tolerances |
Inches: .XX±0.02 |
.XXX±0.010 |
±0.004 |
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Millimeters: .X±0.5 |
.XX±0.25 |
±0.1 |
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4.099[104.11] |
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3.949[100.30] |
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3.799[96.49] |
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3.649[92.68] |
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3.499[88.87] |
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PIN CONNECTIONS |
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3.349[85.06] |
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AUX |
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IOG |
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PC/NC |
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TRIM |
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+S |
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-S |
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PIN NUMBER |
FUNCTION |
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16 |
15 |
14 |
13 |
12 |
11 |
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1 |
-Vin |
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10 |
-Vo |
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2 |
+Vin |
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1 |
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- Vin |
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9 |
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3 |
-ON/OFF |
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-Vo |
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0.900[22.86] |
1.400[35.56] |
2.00[50.8] |
2.251[57.17] |
2.40[61.0] |
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1.701[43.20] |
1.301[33.04] |
0.901[22.88] |
0.751[19.07] |
ON/OFF |
2 |
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8 |
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12 |
+S |
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-Vo |
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4 |
+ON/OFF |
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+Vin |
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- |
3 |
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7 |
+Vo |
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5 - 7 |
+Vo |
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+ |
4 |
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6 |
+Vo |
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8 - 10 |
-Vo |
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5 |
+Vo |
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11 |
-S |
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0.199[5.05] |
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0.400[10.16] |
0.501[12.72] |
0.20[5.1] |
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15 |
IOG |
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4.20[106.7] |
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13 |
TRIM |
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Mounting Inserts |
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14 |
PC/NC |
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0.22[5.5] |
0.50[12.7] |
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3.5 Through 4Pl. |
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16 |
AUX |
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4.60[116.8] |
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CFB750 Output Voltage Adjustment Range
CFB750-300SXX Derating
The output voltage can be determined by below equations:
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Rt ′ 33 |
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1.24 ′ ( |
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Vf = |
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Rt + 33 |
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7.68 + |
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Rt ′ 33 |
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Rt + 33 |
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Vout = (Vo + VR) ′ Vf
Unit: KΩ
Vo: Nominal Output Voltage
Fig.1 The schematic of output voltage adjusted by using external resistor and/or variable resistor.
Output Voltage = TRIM
Terminal Voltage * Nominal
Output Voltage
Fig.2 The schematic of output voltage adjusted by using external DC voltage.
2