NCP4894 ON Semiconductor, NCP4894 Datasheet - Page 10

• Manufacturer Part Number: NCP4894
• Description: Differential Audio Power Amplifier
• Manufacturer: ON Semiconductor

700
600
500
400
300
200
100
0.25
0.15
0.05
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.2
0.1
0
0
0
Figure 28. Power Derating − 9−Pin Flip−Chip CSP
0
0
0
200 mm
P
for VP = 5 V,
R
Figure 24. Power Dissipation versus Output
Figure 26. Power Dissipation versus Output
Dmax
L
= 8 W
20
0.2
= 633 mW
2
T
50 mm
A
40
, AMBIENT TEMPERATURE (°C)
0.1
P
P
out
out
2
0.4
, OUTPUT POWER (W)
, OUTPUT POWER (W)
60
VP = 5 V
R
F = 1 kHz
THD + N < 0.1%
L
= 8 W
Power
VP = 3 V
R
F = 1 kHz
THD + N < 0.1%
Power
L
80
0.6
0.2
= 8 W
TYPICAL PERFORMANCE CHARACTERISTICS
PCB Heatsink Area
100
500 mm
0.8
120
2
0.3
1
140
http://onsemi.com
160
NCP4894
1.2
0.4
10
0.35
0.25
0.15
0.05
180
160
140
120
100
0.25
0.15
0.05
0.4
0.3
0.2
0.1
80
60
40
0.3
0.2
0.1
0
0
50
0
0
Figure 29. Maximum Die Temperature versus
VP = 2.6 V
Figure 27. Power Dissipation versus Output
Figure 25. Power Dissipation versus Output
0.05
VP = 3.3 V
VP = 4.2 V
100
0.1
0.1
PCB HEATSINK AREA (mm
R
VP = 5 V
P
L
P
out
PCB Heatsink Area
= 4 W
R
out
VP = 2.6 V
F = 1 kHz
THD + N < 0.1%
L
, OUTPUT POWER (W)
, OUTPUT POWER (W)
0.15
= 8 W
Maximum Die Temperature 150°C
150
VP = 3.3 V
R
F = 1 kHz
THD + N < 0.1%
0.2
L
Power
= 8 W
Power
0.2
200
0.3
0.25
2
0.3
)
250
0.4
0.35
300
0.4
0.5