PKR4910ASI Ericsson Power Modules, PKR4910ASI Datasheet - Page 18

• Manufacturer Part Number: PKR4910ASI
• Description: Module DC-DC 1-OUT 3.3V 3A 9.9W 18-Pin SMD
• Manufacturer: Ericsson Power Modules
• Type: Step Downr
• Series: PKRr

Specifications of PKR4910ASI

• Package: 18SMD
• Output Current: 3 A
• Output Voltage: 3.3 V
• Input Voltage: 36 to 75 V
• Number Of Outputs: 1
• Output Power: 9.9 W
• Product: Isolated
• Input Voltage Range: 36 V to 75 V
• Output Voltage (channel 1): 3.3 V
• Output Current (channel 1): 3 A
• Isolation Voltage: 1.5 KV
• Package / Case Size: MacroDens
• Output Type: Isolated
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Prepared (also subject responsible if other)
ESKEVIN
Approved
SEC/D (Julia You)
+12V, 0.25A / -12V, 0.25A / 6W Dual, Typical
Characteristics
Efficiency
Output Power Derating
Cross regulation Output 1 (+12V)
PKR 4000 series
PKR 4000 series
PKR 4000 series
DC/DC converters, Input 36-75 V, Output up to 1.5 A/7 W
DC/DC converters, Input 36-75 V, Output up to 1.5 A/7 W
DC/DC converters, Input 36-75 V, Output up to 1.5 A/7 W
[W]
6.0
4.0
2.0
0.0
[%]
90
88
85
83
80
78
75
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.00
[A] I
Output 1. Efficiency vs. load current and input voltage at T
I
0
Available load current vs. ambient air temperature and airflow at
V
Operation area for ±4% tolerance at T
02
0.0
I
= 53 V. See Thermal Consideration section.
= 0.25A.
O
1
0.05
20
0.1
0.2
0.1 0
40
0.3
0.1 5
60
0.4
0.20
80
ref
= +25°C.
0.5
100 [
0.25 [A ]
0.6
癈
]
Checked
EZYPING
[A] I
ref
1.0 m/s
Nat. Conv.
= +25°C,
O
2
38 V
48 V
53 V
72 V
PRODUCT SPECIFICATION
No.
2/1301-BMR 640 1401+ Uen
Date
2007-8-27
Power Dissipation
Thermal Resistance
Cross regulation Output 2 (-12V)
[
18
16
14
12
10
[W]
1.25
1.00
0.75
0.50
0.25
0.00
癈
8
6
4
2
0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
[A] I
0.0
/W]
0.00
Operation area for ±5% tolerance at T
0.0
Output 1. Dissipated power vs. load current and input voltage at
T
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
O
ref
1
= +25°C, I
0.5
0.05
0.1
1.0
02
0.2
Technical Specifi cation
Technical Specifi cation
Technical Specifi cation
EN/LZT 146 302 R6E September 2007
EN/LZT 146 302 R6F November 2007
EN/LZT 146 302 R6G November 2008
© Ericsson Power Modules AB
© Ericsson Power Modules AB
© Ericsson Power Modules AB
0.10
Rev
G
= 0.25A.
1.5
0.3
0.15
2.0
0.4
Reference
0.20
2.5
0.5
ref
0.25[A]
= +25°C.
3.0[m/s]
0.6
[A] I
PKR 4621 SI
O
2
38 V
48 V
53 V
72 V
15 (23)
18