Datasheet
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
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Typical Performance Characteristics
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
Supply Current vs Supply Voltage Supply Current vs Supply Voltage
PV
1
= 7.8V PV
1
= 7V
7
SNAA064C–November 2008–Revised May 2013 AN-1922 LM48511 Evaluation Board
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