PDT006A0X3-SRZ Datasheet, PDF (15/39 Pages) Lineage Power Corporation – 6A Digital Pico DLynxTM: Non-Isolated DC-DC Power Modules 3Vdc ––14.4Vdc input; 0.45Vdc to 5.5Vdc output; 6A Output Current

Preliminary Data Sheet
October 17, 2011
6A Digital Pico DLynx^TM: Non-isolated DC-DC Power Modules
3 –– 14.4Vdc input; 0.45Vdc to 5.5Vdc output; 6A output current
16
14
12
Upper
10
8
6
4
2
Lower
0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Output Voltage (V)
Figure 41. Output Voltage vs. Input Voltage Set Point
Area plot showing limits where the output voltage
can be set for different input voltages.
VIN(+)
ON/OFF
VO(+)
VS+
TRIM
SIG_GND
VSņ
Rtrim
LOAD
Caution –– Do not connect SIG_GND to GND elsewhere
in the layout
Figure 42. Circuit configuration for programming
output voltage using an external resistor.
Without an external resistor between Trim and
SIG_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:
Rtrim = _{«¬ª(Vo}¹_−^20.6_{)»¼º}kΩ
Rtrim is the external resistor in kȍ
Vo is the desired output voltage.
Table 1 provides Rtrim values required for some
common output voltages.
Table 1
VO, set (V)
0.6
0.9
1.0
1.2
1.5
1.8
2.5
3.3
5.0
Rtrim (Kȍ)
Open
40
30
20
13.33
10
6.316
4.444
2.727
Digital Output Voltage Adjustment
Please see the Digital Feature Descriptions section.
Remote Sense
The power module has a Remote Sense feature to
minimize the effects of distribution losses by regulating
the voltage between the sense pins (VS+ and VS-). The
voltage drop between the sense pins and the VOUT and
GND pins of the module should not exceed 0.5V.
Analog 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.
Vo
Rmargin-down
MODULE
Q2
Trim
Rmargin-up
Rtrim
Q1
SIG_GND
Figure 43. Circuit Configuration for margining
Output voltage.
Digital Output Voltage Margining
Please see the Digital Feature Descriptions section.