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参数资料
| 型号： | R-521.2DA |
| 厂商： | Recom Power Inc |
| 文件页数： | 2/6页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 2A 4.5-18VIN 1.2V |
| 标准包装： | 15 |
| 系列： | Innoline R-5xxxA |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 4.5V |
| 电压 - 输入（最大）： | 18V |
| Voltage - Output 1： | 1.2V |
| 电流 - 输出（最大）： | 2A |
| 电源（瓦） - 制造商系列： | 2.4W |
| 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： | 83% |
| 电源（瓦特）- 最大： | 2.4W |
| 其它名称： | 80099008 |
INNOLINE
DC/DC-Converter
Specifications (refer to the standard application circuit, Ta: 25°C)
R-5xxxPA_DA
Series
Characteristics
Conditions
Min.
Typ.
Max.
Output Voltage Range
Output Current
Output Current Limit
Short Circuit Input Current
Short Circuit Protection
Output Voltage Accuracy
Line Voltage Regulation (Vin = min. to max. at full load)
All Series
R-52xxPA/DA
R-53xxPA/DA
R-54xxPA/DA
R-55xxPA/DA
R-52xxPA/DA
R-53xxPA/DA
R-54xxPA/DA
R-55xxPA/DA
All Series
At 100% Load All Series
R-52xxPA/DA
0.8
0.2
0.3
0.4
0.5
2.5
3.75
5.0
6.0
Continuous, automatic recovery
±1%
0.25
6.0V
2.0A
3.0A
4.0A
5.0A
3.0A
4.25A
5.5A
6.5A
50mA
±2%
0.5%
R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA
0.5
1.0%
Load Regulation (10 to 100% full load)
Ripple & Noise
Transient Response (see note 1)
Remote ON / OFF (see note 2)
(positive logic)
Remote Off Input Current
Max capacitance Load
R-52xxPA/DA
R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA
R-52xxPA/DA
R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA
50% Load Change
Vout Over / Undershoot
Open or High (Power ON) 4.5
Low (Power OFF)
Remote ON/OFF low level
with normal start-up time, no external diodes
with <1 second start up time + diode protection circuit
0.5
1.0
40mVp-p
80mVp-p
100μs
1.0%
2.0%
70mVp-p
120mVp-p
200μs
100mV
18V
0.8V
100μA
300μF
6800μF
Switching Frequency
Quiescent Current
Operating Temperature Range
Storage Temperature Range
Case Material
Potting Material
Internal Power Dissipation
Package Weight
Packing Quantity
Vin = min. to max. at 0% load
Io x Vo x (1-Efficiency)
270
-40°C
-40°C
300 330kHz
20mA
+85°C
+125°C
Non-Conductive Black Plastic
Epoxy (UL94V-0)
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 103 hours
150 x 103 hours
EN General Safety
Report: SPCLVD1301028-1
EN60950-1:2006 + A12:2011
Notes:
1. Requires an electrolytic or tantalum output capacitor for proper operation in all applications (the capacitor to be placed as close as possible to the output pins)
100μF for R-52xxPA/DA, R-53xxPA/DA and R-54xxPA/DA or 220μF for R-55xxPA/DA.
2. ON / OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET.
3. Output Current vs. Input Voltage (see graph below).
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-545.0P , at Vin = 18Vdc , Vo = 5Vdc , η =93% (see "Selection Guide" table)
(a) When Ta = 60°C , P D = 1.4 Watt (see adjacent diagram)
Io = 1.4(W) / 5(V) × (1-0.93) = 4(A)
90
85
80
60
40
20
(b) When Ta = 85°C , P D = 1 Watt (see adjacent diagram)
Io = 1(W) / 5(V) × (1-0.93) = 2.857(A)
( c) At Vin = 12Vdc efficiency = 94% (see "Selection Guide" table)
When Ta = 85°C , P D = 1 Watt (see adjacent 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: 0/2014
I-43
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