Data Sheet
Austin MegaLynxTM SMT: Non-Isolated DC-DC Power Modules:
4.5 – 5.5Vdc input; 0.8 to 3.63Vdc Output; 30A output current
6.0 – 14Vdc Input; 0.8Vdc to 3.63Vdc Output; 20/30A output
June 3, 2009
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
Device
Symbol
Min
Typ
Max
Unit
On/Off Signal Interface
(VIN=VIN, min to VIN, max ; open collector or equivalent,
Signal referenced to GND)
Logic High (Module OFF)
Input High Current
All
All
IIH
0.5
3.0
3.3
mA
V
⎯
⎯
Input High Voltage
VIH
VIN, max
Logic Low (Module ON)
Input Low Current
All
All
IIL
200
1.2
µA
V
⎯
⎯
⎯
Input Low Voltage
VIL
-0.3
Turn-On Delay and Rise Times
(VIN=VIN, nom, IO=IO, max , VO to within ±1% of steady state)
Case 1: On/Off input is enabled and then
input power is applied (delay from instant at
which VIN = VIN, min until Vo = 10% of Vo, set)
All
All
Tdelay
Tdelay
―
―
2.5
2.5
5
5
msec
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 Vo = 10% of Vo, set)
All
Trise
2
10
msec
Output voltage Rise time (time for Vo to rise from
10% of Vo, set to 90% of Vo, set)
Output voltage overshoot
3.0
% VO, set
IO = IO, max; VIN, min – VIN, max, TA = 25 oC
Remote Sense Range
All
All
0.5
V
⎯
⎯
⎯
Over temperature Protection
Tref
125
°C
⎯
(See Thermal Consideration section)
Sequencing Slew rate capability
(VIN, min to VIN, max; IO, min to IO, max VSEQ < Vo)
Sequencing Delay time (Delay from VIN, min
to application of voltage on SEQ pin)
All
dVSEQ/dt
—
2
V/msec
All
All
TsEQ-delay
VSEQ –Vo
VSEQ –Vo
10
msec
mV
Tracking Accuracy
Power-up (2V/ms)
Power-down (1V/ms)
100
200
200
400
mV
(VIN, min to VIN, max; IO, min - IO, max VSEQ < Vo)
Input Undervoltage Lockout
Turn-on Threshold
ATH
ATH
ATS
ATS
-P
4.3
3.9
5.5
5.0
10
Vdc
Vdc
Vdc
Vdc
% Io
Turn-off Threshold
Turn-on Threshold
Turn-off Threshold
Forced Load Share Accuracy
Number of units in Parallel
⎯
-P
5
LINEAGE POWER
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
