Data Sheet
Austin LynxTM II SMT Non-isolated Power Modules:
August 28, 2009
2.4 – 5.5Vdc input; 0.75Vdc to 3.63Vdc Output; 10A output current
Electrical Specifications (continued)
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set-point
All
VO, set
-2.0
VO, set
+2.0
% VO, set
(VIN=IN, min, IO=IO, max, TA=25°C)
Output Voltage
All
All
VO, set
-3%
+3%
3.63
% VO, set
⎯
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
Adjustment Range
VO
0.7525
Vdc
Selected by an external resistor
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
0.3
0.4
0.4
% VO, set
% VO, set
% VO, set
⎯
⎯
⎯
⎯
⎯
⎯
)
)
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max
Cout = 1μF ceramic//10μFtantalum capacitors)
RMS (5Hz to 20MHz bandwidth)
All
All
8
15
50
mVrms
⎯
⎯
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
25
mVpk-pk
ESR ≥ 1 mΩ
All
All
All
All
CO, max
CO, max
Io
1000
5000
10
μF
μF
⎯
⎯
0
⎯
⎯
ESR ≥ 10 mΩ
Output Current
Adc
% Io
Output Current Limit Inception (Hiccup Mode )
IO, lim
200
3.0
⎯
⎯
(VO= 90% of VO, set
)
Output Short-Circuit Current
(VO≤250mV) ( Hiccup Mode )
Efficiency
All
IO, s/c
Adc
⎯
⎯
VO,set = 0.75Vdc
VO, set = 1.2Vdc
VO,set = 1.5Vdc
VO,set = 1.8Vdc
VO,set = 2.5Vdc
VO,set = 3.3Vdc
All
η
η
81.5
87.0
89.0
90.0
93.0
94.0
300
%
%
VIN= VIN, nom, TA=25°C
IO=IO, max , VO= VO,set
η
%
η
%
η
%
η
%
Switching Frequency
fsw
kHz
⎯
⎯
⎯
⎯
Dynamic Load Response
All
Vpk
250
mV
(dIo/dt=2.5A/μs; VIN = VIN, nom; TA=25°C)
Load Change from Io= 50% to 100% of
Io,max; 1μF ceramic// 10 μF tantalum
Peak Deviation
Settling Time (Vo<10% peak deviation)
All
All
ts
50
⎯
⎯
⎯
⎯
μs
Vpk
250
mV
(dIo/dt=2.5A/μs; VIN = VIN, nom; TA=25°C)
Load Change from Io= 100% to 50%of Io,max:
1μF ceramic// 10 μF tantalum
Peak Deviation
Settling Time (Vo<10% peak deviation)
All
ts
50
⎯
⎯
μs
LINEAGE POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
