Lineage Power
3
Data Sheet
April 2008
18 Vdc to 36 Vdc Inputs; 20 W
LC020 Single-Output Series Power Module:
Electrical Specifications (continued)
Table 2. Output Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set Point
(VI = 28 V; IO = IO, max; TC = 25 °C)
LC020F
LC020A
LC020B
LC020C
VO, set
3.25
4.92
11.81
14.76
—
3.35
5.08
12.19
15.24
Vdc
Output Voltage
(Over all line, load, and temperature
conditions until end of life; see Figure
18.)LC020F
LC020A
LC020B
LC020C
VO
3.17
4.80
11.52
14.40
—
3.43
5.20
12.48
15.60
Vdc
Output Regulation:
Line (VI = 18 V to 36 V)
Load (IO = IO, min to IO, max)
Temperature (TC = –40 °C to +100 °C)
All
—
0.01
0.05
0.5
0.1
0.2
1.0
%VO
Output Ripple and Noise Voltage
RMS
Peak-to-peak (5 Hz to 20 MHz)
LC020A, F
LC020B, C
LC020A, F
LC020B, C
—
20
50
30
50
100
150
mVrms
mVp-p
Output Current
(At IO < IO, min, the modules may exceed
output ripple specifications.)
LC020A, F
LC020B
LC020C
IO
0.4
0.17
0.13
—
4.0
1.67
1.33
A
Output Current-limit Inception
(VO = 90% x VO, set) (See Figures 5 — 8.) All
IO
103
—
150
%IO, max
Output Short-circuit Current
(VO = 250 mV)
All
IO
—135
200
%IO, max
Efficiency (VI, nom; IO = IO, max; TC = 25 °C;
LC020F
LC020A
LC020B
LC020C
η
73
76
79
76
79
82
—
%
Switching Frequency
All
—
256
—
kHz
Dynamic Response
(
ΔIO/Δt = 1 A/10 s, VI = VI, nom, TA = 25 °C;
Load Change from IO = 50% to 75% of
IO, max:
Peak Deviation
All
—
1
—
%VO, set
Settling Time (VO < 10% peak deviation)
All
—
0.5
—
ms
Load Change from IO = 50% to 25% of
IO, max:
Peak Deviation
All
—
1
—
%VO, set
Settling Time (VO < 10% peak deviation)
All
—
0.5
—
ms