TYPICAL PERFORMANCE CHARACTERISTICS
Suppl y Cur r ent vs. Shut down Vol t age
Suppl y Cur r ent vs. Shut down Vol t age
5
4
5
4
V = 5V
+
V = 3. 6V
+
V = 3. 6V
+
3
3
V = 3V
+
V = 2. 6V
+
2
2
OFF
ON
1
1
0
0
- 1
- 1
0
1
2
3
0
1
2
3
Shut down Vol t age( V)
Shut down Vol t age( V)
Power Di ssi pat i on vs. Out put Power
Cl i ppi ng( Dr opout ) Vol t age vs. Suppl y Vol t age
1
0. 8
0. 6
0. 4
0. 2
0
0. 9
0. 8
0. 7
0. 6
0. 5
0. 4
0. 3
0. 2
0. 1
0
R = 4Ω Top
L
R = 4Ω Bot t om
L
R = 8Ω Top
L
V = 5V
+
R = 8Ω
L
f = 1kHz
THD ≤ 1. 0%
R = 8Ω Bot t om
L
0
0. 2
0. 4
0. 6
0. 8
1
0
1
2
3
4
5
6
Suppl y Vol t age( V)
Out put Power ( W)
Power Di ssi pat i on vs. Out put Power
0. 3
0. 25
0. 2
0. 15
0. 1
0. 05
0
V = 3V
+
R = 8Ω
L
f = 1kHz
THD ≤ 1. 0%
0
0. 1
0. 2
0. 3
0. 4
0. 5
Out put Power ( W)
6
SGM4890
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
