參數(shù)資料
型號: PKU5310EPILB
廠商: ERICSSON POWER MODULES AB
元件分類: 電源模塊
英文描述: 1-OUTPUT 33 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, SIXTEENTH-BRICK, PACKAGE-8
文件頁數(shù): 11/25頁
文件大?。?/td> 2567K
代理商: PKU5310EPILB
Ericsson Internal
PRODUCT SPECIFICATION
3 (5)
Prepared (also subject responsible if other)
No.
MICOSPE
3/1301-BMR 6600 Uen
Approved
Checked
Date
Rev
Reference
EAB/FJB/GMF (Natalie Johansson)
MICMALE
2009-02-20
A
Operating information continued
Output Voltage Adjust (Vadj)
The products have an Output Voltage Adjust pin (Vadj). This
pin can be used to adjust the output voltage above or below
Output voltage initial setting.
When increasing the output voltage, the voltage at the output
pins must be kept below the threshold of the over voltage
protection, (OVP) to prevent the product from entering OVP.
At increased output voltages the maximum power rating of the
product remains the same, and the max output current must
be decreased correspondingly.
To increase the voltage the resistor should be connected
between the Vadj pin and +Out pin. The resistor value of the
Output voltage adjust function is according to information
given under the Output section for the respective product.
To decrease the output voltage, the resistor should be
connected between the Vadj pin and –Out pin.
Over Temperature Protection (OTP)
The converters are protected from thermal overload by an
internal over temperature shutdown circuit.
When TP1 as defined in thermal consideration section reach
exceeds 105°C the converter will shut down.
The DC/DC converter will make continuous attempts to start
up (non-latching mode) and resume normal operation
automatically when the hot-spot temperature has dropped
10°C below the temperature threshold.
Over Voltage Protection (OVP)
The converters have output over voltage protection that will
prevent output voltage to exceed the specified value in
technical specification.
The converter will limit the outputvoltage to the maximum
level. Converters will resume normal operation automatically
after removal of the over voltage condition.
Over Current Protection (OCP)
The converters include current limiting circuitry for protection
at continuous overload.
The output voltage will decrease towards zero for output
currents in excess of max output current (max IO).
After a time period exceeding 10 ms in OCP converters will
enter hiccupmode to reduce average output power.
During short-circuit condition module temperature will increase
rapidly and OTP function may be activated.
Module will not resume from hiccup shutdown period unless
the temperature drops below the OTP re-activation
temperature.
The converter will resume normal operation after removal of
the overload. The load distribution should be designed for the
maximum output short circuit current specified.
Pre-bias Start-up
The product has a Pre-bias start up functionality and will not
sink current during start up or RC-off if a pre-bias source with
less than 75% of Vo is present at the output terminals.
Precaution must be taken that reverse current might be
present if Vi is disabled. Without Vi a small current will
discharge external capacitors.
NB! Feeding Vo from external power supply for test purpose
might without Vi cause high reverse current.
E
PKU 5000E series
DC/DC converters, Input 18-72 V, Output up to 10 A/35 W
EN/LZT 146 391 R4B May 2009
Ericsson AB
Technical Specication
19
相關(guān)PDF資料
PDF描述
PKU5310ESI 1-OUTPUT 33 W DC-DC REG PWR SUPPLY MODULE
PKU5310EPILA 1-OUTPUT 33 W DC-DC REG PWR SUPPLY MODULE
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PKV3110PI 1-OUTPUT 1.65 W DC-DC REG PWR SUPPLY MODULE
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