Owner's manual

GE
Datasheet
2 × 12A Digital Dual MicroDlynx
TM
: Non-Isolated DC-DC Power Modules
4.5Vdc –14.4Vdc input; 0.51Vdc to 5.5Vdc output; 2 × 12A Output Current
February 14, 2014 ©2014 General Electric Corporation. 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
VO1, set & VO2,
set
-1.0 +1.0
% VO,
set
Output Voltage (Over all operating input voltage, resistive load,
and temperature conditions until end of life)
All
Vo1, set & VO2,
set
-3.0
⎯
+3.0
% VO,
set
Adjustment Range (selected by an external resistor)
(Some output voltages may not be possible depending on the
input voltage – see Feature Descriptions Section)
*0.51V possible through PMBus command
All VO1 & VO2 0.6* 5.5 Vdc
PMBus Adjustable Output Voltage Range All V
O1
,adj, V
O2
,adj -15 0 +10 %V
O,set
PMBus Output Voltage Adjustment Step Size All Both outputs 0.4 %V
O,set
Remote Sense Range All Both outputs 0.5 Vdc
Output Regulation (for V
O
 2.5Vdc) Both Outputs
Line (V
IN
=V
IN, min
to V
IN, max
) All Both Outputs
⎯
+0.4 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All Both Outputs
⎯
10 mV
Output Regulation (for V
O
< 2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All Both Outputs
⎯
5 mV
Load (I
O
=I
O, min
to I
O, max
) All Both Outputs
⎯
10 mV
Temperature (T
ref
=T
A, min
to T
A, max
) All Both Outputs
⎯
0.4 % V
O, set
Output Ripple and Noise on nominal output at 25°C
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
Co = 2×0.1 + 2×47uF per
output)
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 m All C
O, max
2×47
⎯
2×47 F
With the Tunable Loop
TM
ESR  0.15 m All C
O, max
⎯
1000 F
ESR  10 m All C
O, max
⎯
5000 F
Output Current (in either sink or source mode) All I
o
0 12x2 Adc
Output Current Limit Inception (Hiccup Mode)
(current limit does not operate in sink mode)
All I
O, lim
150 % I
o,max
Output Short-Circuit Current All I
O1, s/c
, I
O1, s/c
6 Arms
(V
O
250mV) ( Hiccup Mode )
Efficiency V
O,set
= 0.6Vdc 
1
, 
2
79 %
V
IN
= 12Vdc, T
A
=25°C V
O, set
= 1.2Vdc 
1
, 
2
88 %
I
O
=I
O, max ,
V
O
= V
O,set
V
O,set
= 1.8Vdc 
1
, 
2
91 %
V
O,set
= 2.5Vdc 
1
, 
2
93 %
V
O, set
= 3.3Vdc 
1
, 
2
94 %
V
O,set
= 5.0Vdc 
1
, 
2
95 %
Switching Frequency All f
sw
⎯
500
⎯
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.