20a digital microdlynx, Non-isolated dc-dc power modules, Data sheet – GE Industrial Solutions 20A Digital MicroDLynx User Manual
Page 5: Feature specifications (cont.)

GE
Data Sheet
20A Digital MicroDLynx
TM
: Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 20A Output Current
April 24, 2013
©2012 General Electric Company. All rights reserved.
Page 5
Feature Specifications (cont.)
Parameter
Device
Symbol
Min
Typ
Max
Units
Turn-On Delay and Rise Times
(V
IN
=V
IN, nom
, I
O
=I
O, max ,
V
O
to within ±1% of steady state)
Case 1: On/Off input is enabled and then input power is
applied (delay from instant at which V
IN
= V
IN, min
until V
o
=
10% of V
o, set
)
All
Tdelay
―
1.2
―
msec
Case 2: Input power is applied for at least one second and
then the On/Off input is enabled (delay from instant at
which Von/Off is enabled until V
o
= 10% of V
o, set
)
All
Tdelay
―
0.8
―
msec
Output voltage Rise time (time for V
o
to rise from
10% of Vo, set to 90% of Vo, set)
All
Trise
―
2.7
―
msec
Output voltage overshoot (T
A
= 25
o
C
V
IN
= V
IN, min
to V
IN, max
,I
O
= I
O, min
to I
O, max
)
With or without maximum external capacitance
3.0
% V
O, set
Over Temperature Protection
(See Thermal Considerations section)
All
T
ref
120
°C
PMBus Over Temperature Warning Threshold *
All
T
WARN
120
°C
Tracking Accuracy (Power-Up: 2V/ms)
All
V
SEQ
–V
o
100
mV
(Power-Down: 2V/ms)
All
V
SEQ
–V
o
100
mV
(V
IN, min
to V
IN, max
; I
O, min
to I
O, max
V
SEQ
< V
o
)
Input Undervoltage Lockout
Turn-on Threshold
All
3.25
Vdc
Turn-off Threshold
All
2.6
Vdc
Hysteresis
All
0.25
Vdc
PMBus Adjustable Input Under Voltage Lockout Thresholds
All
2.5
14
Vdc
Resolution of Adjustable Input Under Voltage Threshold
All
500
mV
PGOOD (Power Good)
Signal Interface Open Drain, V
supply
5VDC
Overvoltage threshold for PGOOD ON
All
108
%V
O, set
Overvoltage threshold for PGOOD OFF
All
105
%V
O, set
Undervoltage threshold for PGOOD ON
All
110
%V
O, set
Undervoltage threshold for PGOOD OFF
All
90
%V
O, set
Pulldown resistance of PGOOD pin
All
50
Sink current capability into PGOOD pin
All
5
mA
* Over temperature Warning – Warning may not activate before alarm and unit may shutdown before warning