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参数资料
| 型号： | R-746.5D |
| 厂商： | Recom Power Inc |
| 文件页数： | 2/4页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 4A 8.5-28VIN 6.5V |
| 标准包装： | 15 |
| 系列： | Innoline R-7xxx |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 8.5V |
| 电压 - 输入（最大）： | 28V |
| Voltage - Output 1： | 6.5V |
| 电流 - 输出（最大）： | 4A |
| 电源（瓦） - 制造商系列： | 26W |
| 特点： | 具有远程开/关功能 |
| 安装类型： | 通孔，直角 |
| 封装/外壳： | 12-SIP 模块 |
| 尺寸/尺寸： | 1.27" L x 0.59" W x 0.36" H（32.2mm x 15.0mm x 9.1mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 96% |
| 电源（瓦特）- 最大： | 26W |
| 其它名称： | 80099097 |
INNOLINE
DC/DC-Converter
Specifications (refer to the standard application circuit, Ta: 25°C)
R-7xxxP_D
Series
Characteristics
Conditions
Min.
Typ.
Max.
Output Voltage Range
Output Current
Output Current Limit
Short Circuit Input Current
Short Circuit Protection
Output Voltage Accuracy (At 100% Load)
Line Voltage Regulation (Vin = min. to max. at full load)
Load Regulation (10 to 100% full load)
Ripple & Noise
Transient Response (see note 1)
All Series
R-72xxP/D
R-73xxP/D
R-74xxP/D
R-72xxP/D
R-73xxP/D
R-74xxP/D
All Series
All Series
All Series
All Series
All Series
50% Load Change –
Vout Over / Undershoot
2.5
0.2
0.3
0.4
2.5
3.75
5.0
50
Continuous, automatic recovery
±1%
0.5
0.5
40mVp-p
100μs
17V
2.0A
3.0A
4.0A
3.0A
4.25A
5.5A
100mA
±2%
1.0%
1.0%
70mVp-p
200μs
100mV
Remote ON / OFF (see note 2)
Max capacitance Load
Open or High (Power ON) 4.5
Low (Power OFF)
with normal start-up time, no external diodes
with <1 second start up time + diode protection circuit
28V
0.8V
200μF
6800μF
Switching Frequency
Shutdown current
Quiescent Current
Operating Temperature Range
Operating Case Temperature
Storage Temperature Range
Case Material
Potting Material
Thermal Impedance
Internal Power Dissipation
Package Weight
Packing Quantity
ON / OFF Pin pulled low
Vin = min. to max. at 0% load
Natural Convection
Ta < 60°C
270
-40°C
-40°C
300
330kHz
100μA
30mA
+85°C
+110°C
+125°C
Non-Conductive Black Plastic
Epoxy (UL94V-0)
25°C/W
1.4W
9g
15 pcs per Tube
MTBF (Nominal Vout, 100% load)
Tamb. = +25°C
Tamb. = +85°C
}
Detailed Information see
Application Notes chapter "MTBF"
749 x 103hours
150 x 103hours
EN General Safety
Report: SPCLVD1301028-1
EN60950-1:2006 + A12:2011
Notes:
1. Requires a 100μF electrolytic or tantalum output capacitor for proper operation in all applications (the capacitor to be placed as close as possible to the output pins).
2. ON / OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET.
Output Current vs Input Voltage
How to calculate the max output current
The internal power dissipation(P D )follows the equation:
P D = Io × Vo × (1- η )
Io = P D / Vo × (1- η )
Where P D = Internal power dissipation
Io = Output current
Vo = Output voltage
η = Efficiency
Example: R-745.0P , at Vin = 28Vdc , Vo = 5Vdc , η =91% (see "Selection Guide" table)
(a) When Ta = 60°C , P D = 1.4 Watt (see beside diagram)
Io = 1.4(W) / 5(V) × (1-0.91) = 3.11(A)
90
85
80
60
40
20
(b) When Ta = 85°C , P D = 1 Watt (see beside diagram)
Io = 1(W) / 5(V) × (1-0.91) = 2.222(A)
( c) At Vin = 12Vdc efficiency = 94% (see "Selection Guide" table)
When Ta = 85°C , P D = 1 Watt (see beside diagram)
0
0.5 1
Internal Power Dissipation (W)
1.4
Io = 1(W) / 5(V) × (1-0.94) =3.33(A)
www.recom-international.com
REV: 1/2014
I-53
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