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SLOS390A – NOVEMBER 2001– REVISED MAY 2002
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
FIGURE
Efficiency
vs Load resistance
vs Supply voltage
2, 3
4
vs Free-air temperature
vs Free-air temperature
vs Switching frequency
vs Frequency
5
6
r
Drain-source on-state resistance
DS(on)
I
q
Supply current
7
PSRR
Power supply rejection ratio
8, 9
10
11
vs Output voltage
I
O
Maximum output current
vs Ambient temperature
TEST SET-UP FOR GRAPHS
The LC output filter used in Figures 2, 3, 8, and 9 is shown below.
L1
OUT+
C1
C2
R
L
L2
OUT–
L1, L2 = 10 µH (part number: CDRH104R, manufacturer: Sumida)
C1, C2 = 10 µF (part number: ECJ-4YB1C106K, manufacturer: Panasonic)
Figure 1. LC Output Filter
5
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