SA03 Datasheet, PDF (3/5 Pages) Cirrus Logic – PULSE WIDTH MODULATION AMPLIFIER

Product Innova tionFrom
SA03
POWER DERATING
150
125
100
75
50
25
EACH ACTIVE
OUTPUT TRANSISTOR
0
0 25 50 75 100 125
CASE TEMPERATURE, (C)
REVERSE DIODE
3
2
190
67
5
4
3
2
1
5678
0.6 0.8 1.0 1.2 1.4 1.6
SOURCE TO DRAIN DIODE VOLTAGE
CONTINUOUS OUTPUT
30
28
26
24
22
20
18
16
25 50 75 100 125 150
CASE TEMPERATURE, (C)
Vcc QUIESCENT CURRENT
115
Vcc = 15V
110
F = 22.5 kHz
105
NORMAL
100
OPERATION
95
90
SHUTDOWN
85
OPERATION
80
–50 –25 0 25 50 75 100 125
CASE TEMPERATURE, (C)
SA03U
CLOCK LOADING
100
99
98
97
96
F NOMINAL = 45kHz
95
10K
100K
1M
CLOCK LOAD RESISTANCE, (Ω)
TOTAL VOLTAGE DROP
10
CASE TEMPERATURE
60C
8
85C
100C
6
125C
4
2
25C
–25C
–55C
0
0 5 10 15 20 25 30
OUTPUT CURRENT, (A)
DUTY CYCLE VS ANALOG INPUT
100
B OUT
80
60
40
20
A OUT
0
3
4
5
6
7
ANALOG INPUT, (V)
Vs QUIESCENT VS VOLTAGE
180
160
140
120
–55C
100
125C
80
60
40
20
0 20 40 60 80 100
Vs, (V)
CLOCK FREQUENCY OVER TEMP
102.0
101.5
101.0
100.5
100
99.5
99.0
98.5
98.0
–50 –25 0 25 50 75 100 125
CASE TEMPERATURE, (C)
Vcc QUIESCENT CURRENT
100
95
90
85
80
75
5
10
15
20
25
SWITCHING FREQUENCY, F (kHz)
Vs QUIESCENT VS FREQUENCY
100
Vs = 60V, NO LOAD
90
80
70
60
50
40
5
10
15
20
25
SWITCHING FREQUENCY, F (kHz)
3