PKB 4318 PIOBNB - Typical Characteristics
Efficiency
Output Current Derating
Efficiency vs . load current and input voltage at T
Pcb
= +25 °C
Available load current vs . ambient air temperature and air-
flow at V
I
= 53 V . DC/DC converter mounted vertically with
airflow blowing from output pins toward input pins .
Power Dissipation
Thermal Resistance
Dissipated power vs . load current and input voltage at
T
Pcb
= +25 °C
Thermal resistance vs . airspeed measured at the converter .
Tested in windtunnel with airflow and test conditions as per
the Thermal consideration section .
Output Characteristic
Output voltage vs . load current at T
Pcb
= +25 °C, V
I
= 53 V .
PKB 4000 Datasheet
8
EN/LZT 146 033 R9A © Ericsson Power Modules, March 2007
ERICSSON [ ERICSSON ]
