参数资料
型号: R-746.5D
厂商: RECOM Power Inc.
英文描述: INNOLINE DC/DC-Converter
中文描述: INNOLINE直流/直流转换器
文件页数: 3/5页
文件大小: 90K
代理商: R-746.5D
www.recom-international.com
3
24-August-2005
R-7xxxP_D
Series
Output Current vs Input Voltage
INNOLINE
DC/DC-Converter
+
/
/
0,-#$1,-*#2
How to calculating 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 table 1)
(a) When Ta = 60°C , P
D
= 1.4 Watt (see fig-1)
Io = 1.4(W) / 5(V) × (1-0.91) = 3.11(A)
(b) When Ta = 85°C , P
D
= 1 Watt (see fig-1)
Io = 1(W) / 5(V) × (1-0.91) = 2.222(A)
(
c) At Vin = 12Vdc efficiency = 94% (see table 1)
When Ta = 85°C , P
D
= 1 Watt (see fig-1)
Io = 1(W) / 5(V) × (1-0.94) =3.33(A)
Characteristics
$
$,
3
3
3/
3
3/
3
$
$,
/
/
R-72xx / R-73xx
Ripple VS Vin
R-74xx
Ripple VS Vin
(
(445,56
/
/
(
(445,56
3/
3
3/
R-72xx / R-73xx
Efficiency VS Vin
R-74xx
Efficiency VS Vin
(
(445,56038
/
/
/
(
(445,56038#9
/
/
R-72xx / R-73xx / R-74xx
Efficiency / Load Vin=Min
R-72xx / R-73xx / R-74xx
Efficiency / Load Vin=Max
相关PDF资料
PDF描述
R-746.5P INNOLINE DC/DC-Converter
R-781.5-0.5L 0.5 AMP SIP3 Single Output
R-785.0-0.5L 0.5 AMP SIP3 Single Output
R-786.5-0.5L 0.5 AMP SIP3 Single Output
R-789.0-0.5L 0.5 AMP SIP3 Single Output
相关代理商/技术参数
参数描述
R747I0470DQ30J 制造商:KEMET Corporation 功能描述:
R747I0680DQ00J 功能描述:薄膜电容器 700volts 6800pF 5% RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm
R747I0680DQ30J 功能描述:薄膜电容器 700volts 6800pF 5% RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm
R747I0680JB00J 功能描述:薄膜电容器 700volts 6800pF 5% RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm
R747I1100AA00J 功能描述:薄膜电容器 700vac 1000pF 5% PP High Vac 15mm RoHS:否 制造商:Cornell Dubilier 产品类型: 电介质:Polyester 电容:0.047 uF 容差:10 % 电压额定值:100 V 系列:225P 工作温度范围:- 55 C to + 85 C 端接类型:Radial 引线间隔:9.5 mm