AXA005A0X-SR Lineage Power, AXA005A0X-SR Datasheet - Page 13

• Manufacturer Part Number: AXA005A0X-SR
• Description: CONVERT DC/DC 0.75 5.5V @ 5A SMD
• Manufacturer: Lineage Power
• Series: Austin MicroLynx™r
• Type: Point of Load (POL) Non-Isolated with Remote On/Offr

Specifications of AXA005A0X-SR

• Rohs Status: RoHS non-compliant
• Output: 0.75 ~ 5.5V
• Number Of Outputs: 1
• Power (watts): 27W
• Mounting Type: Surface Mount
• Voltage - Input: 10 ~ 14V
• Package / Case: 5-SMD Module
• 1st Output: 0.75 ~ 5.5 VDC @ 5A
• Size / Dimension: 0.80" L x 0.35" W x 0.29" H (20.3mm x 8.9mm x 7.2mm)
• Power (watts) - Rated: 27.5W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 89%
• Approvals: CSA, EN, UL, VDE
• Product: Non-Isolated / POL
• 3rd Output: -
• 2nd Output: -
• Lead Free Status / Rohs Status: No RoHS Version Available
• Other names: 555-1008-2

Data Sheet
October 1, 2009
Feature Descriptions
Output Voltage Programming
The output voltage of the Austin MicroLynx
programmed to any voltage from 0.75Vdc to 5.5Vdc by
connecting a resistor (shown as Rtrim in Figure 28)
between Trim and GND pins of the module. Without an
external resistor between Trim and GND pins, the output
of the module will be 0.7525Vdc. To calculate the value
of the trim resistor, Rtrim for a desired output voltage, use
the following equation:
Rtrim is the external resistor in Ω
Vo is the desired output voltage
For example, to program the output voltage of the Austin
MicroLynx
follows:
Figure 28. Circuit configuration to program output
voltage using an external resistor
Austin MicroLynx
applying a voltage between TRIM and GND pins (Figure
29). The following equation can be used to determine the
value of Vtrim needed to obtain a desired output voltage
Vo:
For example, to program the output voltage of a
MicroLynx
follows:
LINEAGE
V
ON/OFF
IN
Vtrim
Vtrim
TM
(+)
TM
POWER
GND
12V module to 1.8V, Rtrim is calculated as
module to 3.3 Vdc, Vtrim is calculated as
Rtrim
Rtrim
=
=
TM
0 (
(
V
TRIM
0
=
Rtrim
12Vdc can also be programmed by
O
7 .
7 .
=
Vtrim
(+)
⎡
⎢
⎣
Vo
−
⎡
⎢
⎣
−
1
. 0
. 0
8 .
10500
−
0667
0667
10500
=
−
=
. 0
. 9
. 0
. 0
7525
7525
024
(continued)
530
×
×
{
{
3
Vo
k
V
−
3 .
−
10 – 14Vdc input; 0.75Vdc to 5.5Vdc Output; 5A output current
Ω
1000
1000
−
−
R
. 0
. 0
trim
Austin MicroLynx
7525
7525
⎤
⎥
⎦
⎤
⎥
⎦
TM
Ω
12V can be
}
}
)
)
LOAD
Figure 29. Circuit Configuration for programming
Output voltage using external voltage source
Table 1 provides Rtrim values for most common
output voltages. Table 2 provides values of
external voltage source, Vtrim for various output
voltage.
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
helps determine the required external trim resistor
needed for a specific output voltage.
TM
12V SMT Non-isolated Power Modules:
V
ON/OFF
IN
Table 1
Table 2
(+)
GND
V
V
0.7525
0.7525
O, set
O, set
1.2
1.5
1.8
2.5
3.3
5.0
1.2
1.5
1.8
2.5
3.3
5.0
V
TRIM
O
(V)
(V)
(+)
under the Design Tools section,
+
Rtrim (KΩ)
-
Vtrim (V)
0.4166
22.46
13.05
9.024
5.009
3.122
1.472
0.670
0.650
0.630
0.583
0.530
Open
Open
V
t
rim
LOAD
13