CFB750-300 [CINCON]

750 WATT 2:1 INPUT DC-DC CONVERTERS;


型号：	CFB750-300
厂家：	Cincon
描述：	750 WATT 2:1 INPUT DC-DC CONVERTERS DC-DC转换器输入元件
文件：	总2页 (文件大小：317K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

V12

CFB750-300 SERIES

750 WATT 2:1 INPUT

DC-DC CONVERTERS

FEATURES

* 750W 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

* Single Wire Parallel

* Meets UL 60950-1

* Fully Isolated 3000VAC

MODEL

NUMBER

INPUT

VOLTAGE VOLTAGE

OUTPUT

INPUT CURRENT

OUTPUT CURRENT

% Eff. ^CAPACITIVE

LOAD MAX.

MIN.

0 mA

MAX.

62.5 A

50 A

NO LOAD FULL LOAD

CFB750-300S12 200-425VDC

CFB750-300S15 200-425VDC

12VDC

15VDC

24VDC

28VDC

36VDC

48VDC

10 mA

2.84 A

2.78 A

10000uF

8000uF

200-425VDC

31.2 A

26.7 A

20.8 A

15.6 A

CFB750-300S24

CFB750-300S28

CFB750-300S36

CFB750-300S48 200-425VDC

8000uF

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

V12

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

GENRAL SPECIFICATIONS:

Efficiency .................…..................................……..........…....... See Table

Isolation Voltage ..................... Input/Output ....………..….. 3000VAC min.

Input/Case ……….……….. 2500VAC min.

Under Voltage Lockout ………...… 300Vin power up .….……..…. 195V

300Vin power down .….….…. 180V

Output/Case ……………… 500VAC min.

Isolation Resistance .............................…..................…….... 10⁷ohm min.

Switching Frequency ...................…………………………... 200KHz typ.

Positive Logic Remote On/Off (note5&6)

Input Filter ………………………………………………..…...……... C Type

℃

to 85

℃

……

…

.... .....

……

........ -40

Operating Case Temperature

℃

Storage Temperature …………………...…....……............ -55 to +105

OUTPUT SPECIFICATIONS:

℃

Thermal Shutdown, Case Temp. …………………………..……. 95

typ.

Voltage Accuracy ........................................………….......... ±1.0% max.

Transient Response:25% Step Load Change .……………… <500us

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)

Humidity .................................................... 95% RH max. Non condensing

MTBF …………… MIL-HDBK-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.

12V&15V …………………… 150mV RMS, 300mV pk-pk max.

NOTE :

24V&28V …………………… 300mV RMS, 600mV pk-pk max.

36V …………………….…… 300mV RMS, 650mV pk-pk max.

1. Measured from high line to low line.

2. Measured from full load to zero load.

48V ………………………..… 350mV RMS, 750mV pk-pk max.

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.

Temperature Coefficient …….................………..............…..... ±0.03%/°C

Short Circui_tProtection ………………………………………… Continuous

Line Regulation (note 1) .....………………….………..........…. ±0.2% max.

………

5. Logic compatibility……

open collector refer to -Vin

Load Regulation (note 2) ........………………………….…...... ±0.5% max.

Over Voltage Protection trip Range, % Vo nom ……………… 115-140%

Current Limit …………………………….…… 105-125% Nominal Output

Module on …………………………… >3.5Vdc to 75Vdc or Open Circuit

Module off ………………………………………..…………… 0 to <1.2Vdc

6. Suffix “N” to the model number with negative logic remote on/off

Module on …………………………………………………… 0 to <1.2Vdc

Module off …………………………… >3.5Vdc to 75Vdc or Open Circuit

CASE FB

All Dimensions in Inches[mm]

Tolerance Inches:x.xx=±0.02 , x.xxx=±0.01 ±0.004

Millimeters:x.x=±0.5 , x.xx=±0.25

±0.1

0.301[7.64]

0.150[3.81]

-Vo

CFB750 Output Voltage Adjustment Range

-Vin

+Vin

+Vo

0.199[5.05]

4.20[106.7]

PIN CONNECTION

PIN NUMBER CONNECTION

Mounting Inserts

3.5 Through 4Pl.

-V Input

+V Input

-On/Off

+On/Off

+V Output

-V Output

-Sense

+Sense

TRIM

5~7

8~10

CFB750-300SXX Derating

4.60[116.8]

IOG

AUX

Output Voltage = TRIM

Terminal Voltage * Nominal

Output Voltage

The output voltage can be determined

by below equations:

Rt × 33

1.24 × (

7.68 +

)

Rt + 33

Rt × 33

Vf =

Fig.2 The schematic of

output voltage adjusted by

using external DC voltage.

Rt + 33

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.

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