PKB 4418 PINB - Typical Characteristics
Efficiency
Output Current Derating
<">
ꢁꢆ
<ꢇ>
ꢆꢁ
ꢁꢀ
ꢆꢀ
ꢅꢁ
ꢌꢇꢀꢈNꢉTꢈꢊꢃꢀꢀꢈMGNꢋꢈꢈ
ꢅꢆ
ꢁꢇꢆꢈNꢉTꢈꢊꢆꢀꢀꢈMGNꢋ
ꢁꢇꢀꢈNꢉTꢈꢊꢂꢀꢀꢈMGNꢋ
ꢅꢇꢆꢈNꢉTꢈꢊꢌꢀꢀꢈMGNꢋ
ꢅꢇꢀꢈNꢉTꢈꢊꢁꢀꢀꢈMGNꢋ
/BUꢇꢈ$POWꢇ
ꢈꢉꢊ7
ꢋꢅꢊ7
ꢁꢈꢊ7
ꢅꢀ
ꢅꢀ
ꢄꢁꢊ7
ꢆ
ꢀ
ꢄꢁ
ꢄꢀ
ꢀ
ꢁꢀ
ꢂꢀ
ꢃꢀ
ꢄꢀ
ꢅꢀꢀ
<«$>
ꢁ
ꢂꢀ
ꢂꢁ
ꢃꢀ
ꢃꢁ
ꢀ
<">
Available load current vsꢀ ambient air temperature and
Efficiency vsꢀ load current and input voltage at TPcb = +25 °C
airflow at VI = 53 Vꢀ DC/DC converter mounted vertically
with airflow blowing from output pins toward input pinsꢀ
Power Dissipation
Thermal Resistance
<8>
ꢂꢀ
<$ꢉ8>
ꢃꢀ
ꢆ
ꢅ
ꢄ
ꢃ
ꢀ
ꢈ
ꢇ
ꢆ
ꢄ
ꢇꢅꢈ7
ꢄꢆꢈ7
ꢁꢇꢈ7
ꢉꢁꢈ7
ꢀ
ꢀꢁꢀ
<NꢉT>
ꢅꢁꢀ
<">
ꢃꢁ
ꢀꢁꢂ
ꢃꢁꢀ
ꢃꢁꢂ
ꢄꢁꢀ
ꢄꢁꢂ
ꢁ
ꢂꢀ
ꢂꢁ
ꢃꢀ
ꢀ
Thermal resistance vsꢀ airspeed measured at the converterꢀ
Tested in windtunnel with airflow and test conditions as per
the Thermal consideration sectionꢀ
Dissipated power vsꢀ load current and input voltage at
TPcb = +25 °C
Output Characteristic
<7>
ꢃꢄꢀ
ꢂꢄꢈ
ꢂꢄꢇ
ꢂꢄꢆ
ꢂꢄꢅ
<">
ꢃꢁ
ꢀ
ꢁ
ꢂꢀ
ꢂꢁ
ꢃꢀ
Output voltage vsꢀ load current at TPcb = +25 °C, VI = 53 Vꢀ
EN/LZT 146 033 R9A ©Ericsson Power Modules, March 2007
14
PKB 4000 Datasheet