TFA9815 NXP Semiconductors, TFA9815 Datasheet - Page 13

• Manufacturer Part Number: TFA9815
• Description: The TFA9815 is a 2-channel power comparator for high-efficiency class D audio amplifiersystems
• Manufacturer: NXP Semiconductors

NXP Semiconductors
12. Characteristics
Table 10.
V
TFA9815_1
Preliminary data sheet
Symbol
Supply voltage
V
I
I
Series resistance output power switches
R
Enable input: pin ENABLE
V
V
I
SO/OL input: pin SO/OL
V
V
Stabilizer output pins STAB1 and STAB2
V
Comparator full-differential input stage
V
V
V
I
Overtemperature protection
T
Overvoltage protection
V
Undervoltage protection
V
Overcurrent protection
I
P
q(tot)
I
IB
O(ocp)
P
act(th_prot)
P
IL
IH
IL
IH
O
offset(i)(eq)
n(i)(eq)
i(cm)
th(ovp)
P(uvp)
DSon
= 12 V;T
amb
Characteristics
Parameter
supply voltage
supply current
total quiescent current
drain-source on-state resistance
LOW-level input voltage
HIGH-level input voltage
input current
LOW-level input voltage
HIGH-level input voltage
output voltage
equivalent input offset voltage
equivalent input noise voltage
common-mode input voltage
input bias current
thermal protection activation
temperature
overvoltage protection threshold
voltage
undervoltage protection supply
voltage
overcurrent protection output
current
= 25 ˚C; f
12.1 Static characteristics
osc
[1]
= 550 kHz; typical application diagram
[1]
Conditions
single asymmetrical supply
(V
Sleep mode
Operating mode; no load, no
snubbers and no filter connected
T
Sleep mode
Operating mode
V
self-oscillating configuration
open-loop configuration
Operating mode
-
20 Hz < f < 20 kHz
-
-
-
level internal fixed
level internal fixed
-
Rev. 01 — 16 December 2008
j
I
DD
= 25 C
= 5 V
V
SS
)
Figure
12, unless otherwise specified.
[1]
[2]
Min
8
-
-
-
-
3
-
0
3
10.2
-
-
V
-
150
20.1
7
3
SSA
+ 3 -
Audio amplifier 2 x 17 W
Typ
12
110
40
150
-
-
1
-
4
11
-
-
-
-
21.5
7.5
3.5
© NXP B.V. 2008. All rights reserved.
TFA9815
Max
20
200
50
220
0.8
V
20
0.4
5
11.7
1
15
V
1
180
23
7.9
-
P
DDA
1
13 of 26
Unit
V
mA
m
V
V
V
V
V
mV
V
V
V
A
C
A
A
V
A