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參數(shù)資料
| 型號： | ATA010A0X43Z |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, SIP-10 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 686K |
| 代理商： | ATA010A0X43Z |
Data Sheet
October 1, 2009
Austin LynxTM II 12V SIP Non-isolated Power Modules:
8.3 – 14Vdc input; 0.75Vdc to 5.5Vdc Output; 10A output current
LINEAGE POWER
13
Feature Descriptions (continued)
Output Voltage Programming
The output voltage of the Austin Lynx
TM II SMT can be
programmed to any voltage from 0.75 Vdc to 5.5 Vdc by
connecting a single resistor (shown as Rtrim in Figure
29) between the TRIM and GND pins of the module.
Without an external resistor between the TRIM pin and
the ground, the output voltage of the module is 0.7525
Vdc. To calculate the value of the resistor Rtrim for a
particular output voltage Vo, use the following equation:
Ω
=
1000
7525
.
0
10500
Vo
Rtrim
For example, to program the output voltage of the
Austin Lynx
TM II module to 1.8 Vdc, Rtrim is calculated is
follows:
=
1000
75
.
0
8
.
1
10500
Rtrim
Ω
=
k
Rtrim
024
.
9
VO(+)
TRIM
GND
Rtrim
LOAD
VIN(+)
ON/OFF
Figure 29. Circuit configuration to program output
voltage using an external resistor.
Table 1 provides Rtrim values required for some
common output voltages.
Table 1
VO, (V)
Rtrim (K)
0.7525
Open
1.2
22.46
1.5
13.05
1.8
9.024
2.5
5.009
3.3
3.122
5.0
1.472
By a using 1% tolerance trim resistor, set point
tolerance of ±2% is achieved as specified in the
electrical specification. The POL Programming Tool,
available at www.lineagepower.com under the Design
Tools section, helps determine the required external trim
resistor needed for a specific output voltage.
The amount of power delivered by the module is defined
as the voltage at the output terminals multiplied by the
output current. When using the trim feature, the output
voltage of the module can be increased, which at the
same output current would increase the power output of
the module. Care should be taken to ensure that the
maximum output power of the module remains at or
below the maximum rated power (Pmax = Vo,set x Io,max).
Voltage Margining
Output voltage margining can be implemented in the
Austin Lynx
TM II modules 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 the Output pin
for margining-down. Figure 30 shows the circuit
configuration for output voltage margining. The POL
Programming Tool, available at www.lineagepower.com
under the Design Tools 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.
Vo
Austin Lynx or
Lynx II Series
GND
Trim
Q1
Rtrim
Rmargin-up
Q2
Rmargin-down
Figure 30. Circuit Configuration for margining
Output voltage.
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