Data Sheet
Austin MegaLynxTM: Non-Isolated DC-DC Power Modules:
4.5 – 5.5Vdc input; 0.8 – 3.63Vdc output; 30A output current
6.0 – 14Vdc input; 0.8 – 5.5Vdc output; 25A output current
June 3, 2009
Electrical Specifications (continued)
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set-point
(VIN=VIN,min, IO=IO, max, Tref=25°C)
All
VO, set
-1.5
+1.5
% VO, set
⎯
Output Voltage
All
VO, set
–3.0
+3.0
% VO, set
(Over all operating input voltage, resistive
load, and temperature conditions until end
of life)
Adjustment Range
Selected by an external resistor
ATH
ATS
VO
VO
0.8
0.8
3.63
5.5
Vdc
Vdc
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
0.1
0.4
1
% VO, set
% VO, set
% VO, set
)
)
0.5
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max
COUT = 0.01μF // 0.1μF // 10μF ceramic
capacitors)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
Vo ≤ 2.5V
2.5V < Vo ≤ 3.63V
Vo > 3.63V
50
75
mVpk-pk
mVpk-pk
mVpk-pk
100
ESR ≥ 1 mΩ
All
All
CO, max
CO, max
Io
0
0
0
0
2,000
10,000
25
µF
µF
ESR ≥ 10 mΩ
Output Current (VIN = 5Vdc/12Vdc)
Output Current (VIN = 5Vdc)
ATH025/ATS025
ATH030
Adc
Adc
Io
30
Output Current Limit Inception (Hiccup
Mode)
All
All
IO, lim
IO, s/c
120
20
% Iomax
% Iomax
Output Short-Circuit Current
(VO≤250mV) ( Hiccup Mode )
Efficiency
VO,set = 0.8dc
VO,set = 1.2Vdc
VO,set = 1.5Vdc
VO,set = 1.8Vdc
VO,set = 2.5Vdc
VO,set = 3.3Vdc
VO,set = 5.0Vdc
VO,set = 0.8dc
VO,set = 1.2Vdc
VO,set = 1.5Vdc
VO,set = 1.8Vdc
VO,set = 2.5Vdc
VO,set = 3.3Vdc
All
η
η
η
η
η
η
η
η
η
η
η
η
η
fsw
82.0
84.0
88.0
89.5
91.0
92.5
94.0
84.0
88.5
90.0
91.0
93.0
95.0
300
%
%
VIN=12Vdc, TA=25°C
IO=25A, VO= VO,set
%
%
%
%
%
Efficiency
%
VIN=5Vdc, TA=25°C
IO=30A, VO= VO,set
%
%
%
%
%
Switching Frequency, Fixed
kHz
⎯
⎯
LINEAGE POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
