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參數(shù)資料
| 型號(hào)： | PQ60120HZB50PYS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 614 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-9 |
| 文件頁數(shù)： | 13/13頁 |
| 文件大?。?/td> | 936K |
| 代理商： | PQ60120HZB50PYS-G |
Input:
Output:
Current:
Package:
35-75 V
12 V
50 A (600W)
Half-brick
Technical Specification
Product # PQ60120HZx50
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2HZ612J Rev. D
06/12/09
Page 9
BASICOPERATIONANDFEATURES
The PowerQor Zeta series converter uses a two-stage power
conversion topology. The first stage keeps the output voltage
constant over variations in line, load, and temperature. The
second stage uses a transformer to provide the functions of
input/output isolation and voltage step-down to achieve the low
output voltage required.
Both the first stage and the second stage switch at a fixed
frequency for predictable EMI performance. Rectification of
the transformer’s output is accomplished with synchronous
rectifiers. These devices, which are MOSFETs with a very low
on-state resistance, dissipate significantly less energy than
Schottky diodes, enabling the PowerQor converter to achieve
high efficiency.
Dissipation throughout the converter is so low that it does not
require a heatsink for operation. Since a heatsink is not required,
the PowerQor converter does not need a metal baseplate or
potting material to help conduct the dissipated energy to the
heatsink. As an open frame module, the PowerQor converter can
be built more simply and reliably using high yield surface mount
techniquesonaPCBsubstrate.
The PowerQor series of half-brick, quarter-brick and eighth-brick
converters uses the industry standard footprint and pin-out
configuration.
CONTROLFEATURES
REMOTE ON/OFF (Pin 2):TheON/OFFinput,Pin2,permits
the user to control when the converter is on or off. This input is
referenced to the return terminal of the input bus, Vin(-). The
converter is available with either positive or negative logic used
fortheON/OFFinput.
In the positive logic version, the ON/OFF input is active high
(meaning that a high voltage turns the converter on). In the
negativelogicversion,theON/OFFsignalisactivelow(meaning
that a low voltage turns the converter on).FigureAdetailsfive
possiblecircuitsfordrivingtheON/OFFpin.
REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs
correct for voltage drops along the conductors that connect the
converter’s output pins to the load.
Pin 7 should be connected to Vout(+) and Pin 5 should be
connected to Vout(-) at the point on the board where regulation
isdesired.Iftheseconnectionsarenotmade,theconverterwill
deliver an output voltage that is slightly higher than its specified
value.
Note: The output over-voltage protection circuit senses the
voltage across the sense leads (pins 7 and 5) to determine when
it should trigger, not the voltage across the converter’s output
pins(pins8and4).
OUTPUT VOLTAGE TRIM (Pin 6):TheTRIMinputpermitsthe
usertoadjusttheoutputvoltageacrossthesenseleadsupor
down according to the trim range specifications. SynQor uses
industry standard trim equations.
To decrease the output voltage, the user should connect a
resistorbetweenPin6(TRIM)andPin5(SENSE(
–)input).For
a desired decrease of the nominal output voltage, the value of
theresistorshouldbe:
Rtrim-down =
(100%) _ 2 kW
D
where
D% = Vnominal–Vdesired x100%
Vnominal
Open Collector Enable Circuit
Figure A: Various circuits for driving the ON/OFF pin.
Remote Enable Circuit
Direct Logic Drive
Negative Logic
(Permanently Enabled)
Positive Logic
(Permanently Enabled)
ON/OFF
Vin(_
)
ON/OFF
Vin(_
)
ON/OFF
5V
CMOS
Vin(_
)
ON/OFF
Vin(_)
Vin(_
)
Application Section
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| PQ60120HZX50 | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Half-brick DC/DC Converter |
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| PQ60120QEA17NNS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Quarter-brick DC-DC Converter |
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