Sharp SD-AT1000 Service Manual page 55

ICA101, ICA102, ICA201, ICA202, ICA301, ICA302
VHiSLA5515M-1: Switching Audio Power Amp. (SLA5515M)
Pin No. Terminal Name
1 SA
2, 3 OUTA
4, 5 VBBA
6 VBOOTA
7, 8 DTADJA, DTADJB
9 INA
10 VKK
11 VCC
12 VKK
13 INB
14 GND
15 VDD
16 VBOOTB
17, 18 VBBB
19, 20 OUTB
21 SB
VCC
VKK
VDD
INA
DTADJA
VKK
DTADJB
VKK
INB
GND
Output stage low-side source terminal.
Output stage switching output.
Output stage power supply.
Bootstrap condenser terminal.
Dead time adjusting terminal.
Logic input.
Lowest potential terminal of controller.
Power supply to pre-driver.
Lowest potential terminal of controller.
Logic input.
Ground for controller.
Power supply to controller.
Bootstrap condenser terminal.
Output stage power supply.
Output stage switching output.
Output stage low-side source terminal.
UVLO
Level
COCD
Down
+
-
x 4
+
-
x 4
Level
COCD
Down
Figure 55 BLOCK DIAGRAM OF IC
Function
Level
Up
Delay
VKK
Level
Up
Delay
VKK
– 55 –
VBOOTA
VBBA
H/S
Driver
ChB_HO
OUTA
L/S
Driver
ChB_LO
SA
VBOOTB
VBBB
H/S
Driver
ChB_HO
OUTB
L/S
Driver
ChB_LO
SB
SD-AT1000
L
P
F
L
P
F