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參數(shù)資料
| 型號： | PQ60150EGLPYS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 13/13頁 |
| 文件大?。?/td> | 521K |
| 代理商： | PQ60150EGLPYS-G |
Product # PQ60150EGL05
Phone 1-888-567-9596
Doc.# 005-2EG615D Rev. A
4/11/07
Page 9
Input:
Output:
Current:
PPackage:
ackage:
35-75 V
15 V
5 A
Eighth-brick
T
Technical S
echnical Specification
pecification
BASIC OPERATION AND FEATURES
The PowerQor series converter uses a two-stage power conver-
sion topology. The first stage is a buck-converter that keeps the
output voltage constant over variations in line, load, and temper-
ature. The second stage uses a transformer to provide the func-
tions 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 fre-
quency 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 resis-
tance, dissipate far less energy than Schottky diodes. This is the
primary reason that the PowerQor converter has such high effi-
ciency, even at very low output voltages and very high output cur-
rents.
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 pot-
ting material to help conduct the dissipated energy to the
heatsink. The PowerQor converter can thus be built more simply
and reliably using high yield surface mount techniques on a PCB
substrate.
The PowerQor series of eighth-brick, quarter-brick and half-brick
converters uses the industry standard footprint and pin-out con-
figuration.
CONTROL FEATURES
REMOTE ON/OFF (Pin 2): The ON/OFF input, Pin 2, 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(-). There are
two versions of the converter that differ by the polarity of the logic
used for the ON/OFF input.
In the positive logic version, the ON/OFF input is active high (a
high turns the converter on). In the negative logic version, the
ON/OFF signal is active low (a low turns the converter on).
Figure A details five possible circuits for driving the ON/OFF
pin. Figure B is a detailed look of the internal ON/OFF circuitry.
REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs cor-
rect for voltage drops along the conductors that connect the con-
verter’s output pins to the load.
Pin 7 should be connected to Vout(+) and Pin 5 should be con-
nected to Vout(-) at the point on the board where regulation is
desired. A remote connection at the load can adjust for a voltage
drop only as large as that specified in this datasheet, that is
[Vout(+) - Vout(-)] – [Vsense(+) - Vsense(-)] <
Sense Range % x Vout
Pins 7 and 5 must be connected for proper regulation of the out-
put voltage. If these connections are not made, the converter will
deliver an output voltage that is slightly higher than its specified
value.
Note: The output over-voltage protection circuit senses the volt-
age across the output (pins 8 and 4) to determine when it should
Open Collector Enable Circuit
Figure A: Various circuits for driving the ON/OFF pin.
Figure B: Internal ON/OFF pin circuitry
Remote Enable Circuit
Direct Logic Drive
Negative Logic
(Permanently Enabled)
Positive Logic
(Permanently Enabled)
ON/OFF
Vin(_
)
ON/OFF
Vin(_
)
ON/OFF
5V
TTL/
CMOS
Vin(_
)
ON/OFF
Vin(_)
Vin(_
)
TTL
5V
50k
274k
Vin(+)
ON/OFF
Vin(_)
50k
100pF
相關(guān)PDF資料 |
PDF描述 |
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| PQ60150EGANKS-G | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| PQ60150EGANRS-G | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| PQ60150EGLNKS-G | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| PQ60150EGAPRS-G | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| PQ60150EGLNYS-G | 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
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| PQ60150SML03NRS-G | 制造商:SynQor 功能描述: 制造商:SynQor 功能描述:PowerQor DC/DC Converters 制造商:SynQor 功能描述:DC-DC CONV, ISO POL, 1 O/P, 45W, 3A, 15V, DC / DC Converter Type:Sixteenth Brick, DC / DC Converter Output Type:Fixed, Input Voltage DC Min:35V, Input Voltage DC Max:75V, No. of Outputs:1, Output Voltage Nom.:15V, Depth:34.3mm , RoHS Compliant: Yes |
| PQ60180HTA09 | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Half-brick DC/DC Converter |
| PQ60180HTA09NKF | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Half-brick DC/DC Converter |
| PQ60180HTA09NKS | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Half-brick DC/DC Converter |
| PQ60180HTA09NNF | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Half-brick DC/DC Converter |
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