GE Industrial Solutions 3A Digital PicoDLynx - Manual (Page 3)

GE
Data Sheet
3A Digital PicoDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 3A Output Current
April 29, 2013 ©2012 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point (with 0.1% tolerance for external
resistor used to set output voltage)
All V
O, set
-1.0 +1.0 % V
O, set
Output Voltage (Over all operating input voltage, resistive
load, and temperature conditions until end of life)
All V
O, set
-3.0 ⎯ +3.0 % V
O, set
Adjustment Range (selected by an external resistor)
(Some output voltages may not be possible depending on the
input voltage – see Feature Descriptions Section)
All V
O
0.6 5.5 Vdc
PMBus Adjustable Output Voltage Range All V
O
,adj -25 0 +25 %V
O,set
PMBus Output Voltage Adjustment Step Size All 0.4 %V
O,set
Remote Sense Range All 0.5 Vdc
Output Regulation (for V
O
≥ 2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All ⎯ +0.4 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All ⎯ 10 mV
Output Regulation (for V
O
< 2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All ⎯ 5 mV
Load (I
O
=I
O, min
to I
O, max
) All ⎯ 10 mV
Temperature (T
ref
=T
A, min
to T
A, max
) All ⎯ 0.4 % V
O, set
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
Co = 0.1μF // 22 μF
ceramic capacitors)
Peak-to-Peak (5Hz to 20MHz bandwidth) All ⎯ 50 100 mV
pk-pk
RMS (5Hz to 20MHz bandwidth) All 20 38 mV
rms
External Capacitance 1
Without the Tunable Loop TM
ESR ≥ 1 mΩ All C
O, max
10 ⎯ 22 μF
With the Tunable Loop TM
ESR ≥ 0.15 mΩ All C
O, max
22 ⎯ 1000 μF
ESR ≥ 10 mΩ All C
O, max
22 ⎯ 3000 μF
Output Current (in either sink or source mode) All I
o
0 3 Adc
Output Current Limit Inception (Hiccup Mode)
(current limit does not operate in sink mode)
All I
O, lim
270 % I
o,max
Output Short-Circuit Current All I
O, s/c
268 mArms
(V
O
≤250mV) ( Hiccup Mode )
Efficiency V
O,set
= 0.6Vdc η 72.4 %
V
IN
= 12Vdc, T
A
=25°C V
O, set
= 1.2Vdc η 83.2 %
I
O
=I
O, max ,
V
O
= V
O,set
V
O,set
= 1.8Vdc η 87.5 %
V
O,set
= 2.5Vdc η 90.1 %
V
O,set
= 3.3Vdc η
91.9
%
V
O,set
= 5.0Vdc η 94.0 %
Switching Frequency All f
sw
⎯ 600 ⎯ kHz
1 External capacitors may require using the new Tunable Loop TM feature to ensure that the module is stable as well as getting the best
transient response. See the Tunable Loop TM section for details.