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参数资料
| 型号： | PVX012A0X43-SRZ |
| 厂商： | LINEAGE POWER LLC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-17/8 |
| 文件页数： | 6/23页 |
| 文件大小： | 1215K |
| 代理商： | PVX012A0X43-SRZ |
Data Sheet
May 13, 2011
12A Analog Pico DLynxTM: Non-isolated DC-DC Power Modules
3 – 14.4Vdc input; 0.6Vdc to 5.5Vdc output; 12A output current
LINEAGE POWER
14
Without an external resistor between Trim and GND
pins, the output of the module will be 0.6Vdc. To
calculate the value of the trim resistor, Rtrim for a
desired output voltage, should be as per the following
equation:
()
Ω
=
k
Vo
Rtrim
6
.
0
12
Rtrim is the external resistor in k
Vo is the desired output voltage. Table 1 provides
Rtrim values required for some common output
voltages.
Table 1
VO, set (V)
Rtrim (K)
0.6
Open
0.9
40
1.0
30
1.2
20
1.5
13.33
1.8
10
2.5
6.316
3.3
4.444
5.0
2.727
Remote Sense
The power module has a Remote Sense feature to
minimize the effects of distribution losses by regulating
the voltage at the SENSE pin. The voltage between
the SENSE pin and VOUT pin should not exceed 0.5V.
Voltage Margining
Output voltage margining can be implemented in the
module by connecting a resistor, Rmargin-up, from the
Trim pin to the ground pin for margining-up the output
voltage and by connecting a resistor, Rmargin-down, from
the Trim pin to output pin for margining-down. Figure
43 shows the circuit configuration for output voltage
margining. The POL Programming Tool, available at
www.lineagepower.com under the Downloads section,
also calculates the values of Rmargin-up and Rmargin-down
for a specific output voltage and % margin. Please
consult your local Lineage Power technical
representative for additional details.
Figure 43. Circuit Configuration for margining
Output voltage.
Overcurrent Protection
To provide protection in a fault (output overload)
condition, the unit is equipped with internal
current-limiting circuitry and can endure current limiting
continuously. At the point of current-limit inception, the
unit enters hiccup mode. The unit operates normally
once the output current is brought back into its
specified range.
Overtemperature Protection
To provide protection in a fault condition, the unit is
equipped with a thermal shutdown circuit. The unit will
shutdown if the overtemperature threshold of 120(Q1) /
130(L1)
oC(typ) is exceeded at the thermal reference
point Tref . Once the unit goes into thermal shutdown it
will then wait to cool before attempting to restart.
Input Undervoltage Lockout
At input voltages below the input undervoltage lockout
limit, the module operation is disabled. The module
will begin to operate at an input voltage above the
undervoltage lockout turn-on threshold.
Vo
MODULE
GND
Trim
Q1
Rtrim
Rmargin-up
Q2
Rmargin-down
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相关代理商/技术参数 |
参数描述 |
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| PVX0-14-19PN | 制造商:ITT Interconnect Solutions 功能描述:PVX0-14-19PN / 076875-0002 / CIRCULAR |
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| PVX0-14-4PN | 制造商:ITT Interconnect Solutions 功能描述:PVX0-14-4PN - Bulk |
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