Datasheet

11
5
2.5 6.03.0 3.5 4.0 4.5 5.0 5.5
6
7
8
9
10
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
SPREAD
SPECTRUM
FIXED FREQUENCY
POWER DISSIPATION (W)
0 4.0
OUTPUT POWER (W)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.5 1.0 1.5 2.0 2.5 3.0 3.5
1.8
0
30
5
2.5 6.03.0 3.5 4.0 4.5 5.0 5.5
15
20
25
10
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
SPREAD SPECTRUM
FIXED FREQUENCY
23
5
2.5 6.0
7
9
11
13
15
17
19
21
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
SPREAD SPECTRUM
FIXED FREQUENCY
0
-20
-40
-60
-80
-100
20 200 2k 20k
FREQUENCY (Hz)
PSRR (dB)
SPREAD SPECTRUM
FIXED FREQUENCY
0
-20
-40
-60
-80
-100
20 200 2k 20k
PSRR (dB)
FREQUENCY (Hz)
FIXED FREQUENCY
SPREAD SPECTRUM
LM48511
SNAS416G –JULY 2007–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics (continued)
PSRR vs Frequency PSRR vs Frequency
V
DD
= 3.6V, R
L
= 8Ω V
DD
= 3V, R
L
= 8Ω
V
RIPPLE
= 200mV
PP
, PV
1
= 7V V
RIPPLE
= 200mV
PP
, PV
1
= 4.8V
Figure 16. Figure 17.
Supply Current vs Supply Voltage Supply Current vs Supply Voltage
PV
1
= 7.8V PV
1
= 7V
Figure 18. Figure 19.
Power Dissipation vs Output Power
Supply Current vs Supply Voltage V
DD
= 5V, R
L
= 8Ω
PV
1
= 4.8V PV
1
= 7.8V, FF
Figure 20. Figure 21.
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