Advance Data Sheet
November 17, 2011
40A Analog Mega DLynxTM: Non-isolated DC-DC Power Module
4.5 – 14.4Vdc input; 0.6Vdc to 2Vdc output; 40A output current
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
VO, set
-1.0
+1.0
% VO, set
Output Voltage (Over all operating input voltage, resistive
load, and temperature conditions until end of life)
All
VO, set
-3.0
0.6
+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)
All
All
VO
2.0
0.5
Vdc
Vdc
Remote Sense Range
Output Regulation
Line (VIN=VIN, min to VIN, max
Load (IO=IO, min to IO, max
Temperature (Tref=TA, min to TA, max
)
All
All
All
5
mV
mV
⎯
⎯
⎯
)
10
0.4
)
% VO, set
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max Co = 0.1μF // 22 μF
ceramic capacitors)
Peak-to-Peak (5Hz to 20MHz bandwidth)
RMS (5Hz to 20MHz bandwidth)
External Capacitance1
All
All
50
20
100
38
mVpk-pk
mVrms
⎯
Without the Tunable LoopTM
ESR ≥ 1 mΩ
With the Tunable LoopTM
All
CO, max
0
TBD
μF
⎯
ESR ≥0.15 mΩ
All
All
All
CO, max
CO, max
Io
0
0
0
TBD
TBD
40
μF
μF
⎯
⎯
ESR ≥ 10 mΩ
Output Current (in either sink or source mode)
Adc
Output Current Limit Inception (Hiccup Mode)
(current limit does not operate in sink mode)
All
All
IO, lim
IO, s/c
TBD
TBD
% Io,max
mA
Output Short-Circuit Current
(VO≤250mV) ( Hiccup Mode )
Efficiency
VO,set = 0.6Vdc
η
η
TBD
TBD
TBD
TBD
%
%
VIN= 12Vdc, TA=25°C
VO,set = 1.2Vdc
IO=IO, max , VO= VO,set
VO,set = 1.8Vdc
η
%
Switching Frequency
All
All
All
All
All
All
All
All
fsw
kHz
⎯
⎯
Frequency Synchronization
Synchronization Frequency Range
High-Level Input Voltage
Low-Level Input Voltage
Input Current, SYNC
510
2.0
720
kHz
V
VIH
VIL
0.4
V
ISYNC
tSYNC
tSYNC_SH
100
nA
ns
ns
Minimum Pulse Width, SYNC
Maximum SYNC rise time
100
100
External capacitors may require using the new Tunable LoopTM feature to ensure that the module is stable as well as
getting the best transient response. See the Tunable LoopTM section for details.
LINEAGE POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
