参数资料
型号: PKR4919BSI
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 11 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT, SMD-18
文件页数: 27/27页
文件大小: 743K
代理商: PKR4919BSI
Ericsson Internal
PRODUCT SPECIFICATION
6 (14)
Prepared (also subject responsible if other)
No.
ESKEVIN
2/1301-BMR 640 1421+ Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EZYPING
2007-8-24
F
2.5V, 4.4A / 11W Typical Characteristics
PKR 4919B SI
Efficiency
Power Dissipation
65
70
75
80
85
90
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
[A]
[%]
36 V
48 V
53 V
75 V
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5 1.0
1.5 2.0
2.5 3.0
3.5
4.0
[A]
[W]
36 V
48 V
53 V
75 V
Efficiency vs. load current and input voltage at Tref = +25°C
Dissipated power vs. load current and input voltage at
Tref = +25°C
Output Current Derating
Thermal Resistance
0.0
1.0
2.0
3.0
4.0
5.0
0
25
50
75
100 [°C]
[A]
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. conv.
0
5
10
15
20
0.0
0.5
1.0
1.5
2.0
2.5
3.0 [m/s]
[°C/W]
Available load current vs. ambient air temperature and airflow at
VI = 53 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
2.40
2.45
2.50
2.55
2.60
0.00.5
1.01.52.02.5
3.03.54.0
[A]
[V]
36 V
48 V
53 V
75 V
0.0
0.5
1.0
1.5
2.0
2.5
4.04.5
5.05.5
6.06.5
7.0 [A]
[V]
36 V
48 V
53 V
75 V
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
E
PKR 4000B series
DC/DC converters, Input 36-75 V, Output up to 5 A/15 W
EN/LZT 146 301 R6D September 2007
Ericsson Power Modules AB
Technical Specication
9
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