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參數(shù)資料
| 型號(hào)： | PQ60012QPA60PYT |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大小： | 525K |
| 代理商： | PQ60012QPA60PYT |
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Product # PQ60012QPA60
Phone 1-888-567-9596
Doc.# 005-2QP621F Rev. C
3/23/07
Page 10
T
Technical S
echnical Specification
pecification
Input:
Output:
Current:
PPackage:
ackage:
36-75 V
1.2 V
60 A
Quarter-brick
across the output (pins 9 and 5) to determine when it should trig-
ger, not the voltage across the converter’s sense leads (pins 8
and 6). Therefore, the resistive drop on the board should be
small enough so that output OVP does not trigger, even during
load transients.
OUTPUT VOLTAGE TRIM (Pin 7): The TRIM input permits the
user to adjust the output voltage across the sense leads up or
down according to the trim range specifications.
To decrease the output voltage, the user should connect a resistor
between Pin 7 and Pin 6 (SENSE(-) input). To increase the output
voltage, the user should connect a resistor between Pin 7 and Pin
8 (SENSE(+) input). For a desired change of the nominal output
voltage, the value of the resistor should be
Figure C graphs the relationship between the trim resistor value
and Rtrim-up and Rtrim-down, showing the total range the output
voltage can be trimmed up or down.
Figure C: Trim Graph for 1.2Vout module
Note: the TRIM feature does not affect the voltage at which the
output over-voltage protection circuit is triggered. Trimming the
output voltage too high may cause the over-voltage protection cir-
cuit to engage, particularly during transients.
It is not necessary for the user to add capacitance at the Trim pin.
The node is internally bypassed to eliminate noise.
Alternative Trim Equation: When ordering this option (see
ordering information page) Tyco compatible trim equations are
applicable (range from -10% to +10%, see Figure D)
TRIM UP:
TRIM DOWN:
Where
Figure D: Alternative Trim Graph for 1.2Vout module
Total DC Variation of Vout: For the converter to meet its full
specifications, the maximum variation of the DC value of Vout,
due to both trimming and remote load voltage drops, should not
be greater than that specified for the output voltage trim range.
PROTECTION FEATURES
Input Under-Voltage Lockout: The converter is designed to
turn off when the input voltage is too low, helping avoid an input
system instability problem, described in more detail in the appli-
cation note titled “Input System Instability”. The lockout circuitry
is a comparator with DC hysteresis. When the input voltage is ris-
ing, it must exceed the typical Turn-On Voltage Threshold value
(listed on the specification page) before the converter will turn
Rtrim =
VNOM - VDES
- 1
VDES
where
VNOM = Nominal Voltage
VDES = Desired Voltage
(Vertical bars indicate absolute value)
(kW)
0
5
10
15
20
25
30
35
40
45
50
55
60
1.08
1.12
1.16
1.2
1.24
1.28
1.32
Desired Output Voltage
T
ri
m
R
e
s
is
ta
n
c
e
(k
O
h
m
s
)
Rtrim-up =
0.6 x D%
D%
9.769 x VNOM x (100 + D%)
1299.1
33.49 (kW)
[]
Rtrim-down =
D%
1299.1
33.49 (kW)
[]
VNOM
VDES – VNOM
x 100
D% =
10
100
1000
10000
1.08
1.12
1.16
1.20
1.24
1.28
1.32
Desired Output Voltage
T
ri
m
R
e
s
is
ta
n
c
e
(k
O
h
m
s
)
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