TDA8927 Philips Semiconductors, TDA8927 Datasheet - Page 14

• Manufacturer Part Number: TDA8927
• Description: Power stage 2 x 80 W class-D audio amplifier
• Manufacturer: Philips Semiconductors

Philips Semiconductors
14 SWITCHING CHARACTERISTICS
V
Note
1. When used in combination with the TDA8929T controller, the effective minimum pulse width during clipping is
14.1
For the practical useable minimum and maximum duty factor ( ) which determines the maximum output power:
Using the typical values: 3.5% < < 96.5%.
2001 Dec 11
t
-------------------------------
PWM outputs (pins OUT1 and OUT2); see Fig.7
t
t
t
t
t
R
W(min)
r
f
blank
PD
W(min)
P
ds(on)
Power stage 2
audio amplifier
= 25 V; T
SYMBOL
0.5t
2
Duty factor
W(min)
f
osc
.
amb
100% < <
= 25 C; measured in Fig.8; unless otherwise specified.
rise time
fall time
blanking time
propagation delay
minimum pulse width
on-resistance of the output
transistors
PARAMETER
80 W class-D
1
–
t
------------------------------ -
W(min)
2
f
osc
100%
from pin SW to pin PWM
note 1
14
CONDITIONS
MIN.
30
30
70
20
220
0.2
TYP.
Objective specification
TDA8927
270
0.3
MAX.
ns
ns
ns
ns
ns
UNIT