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
UVLO
VKK
VDD
INA
DTADJA
+
-
VKK
DTADJB
+
-
VKK
INB
GND
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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.
Level
COCD
Down
x 4
x 4
Level
COCD
Down
Figure 55 BLOCK DIAGRAM OF IC
Function
H/S
Level
Up Driver
L/S
Delay
Driver
VKK
Level H/S
Up Driver
L/S
Delay
Driver
VKK
– 55 –
SD-AT1000
VBOOTA
VBBA
ChB_HO
OUTA
L
P
F
ChB_LO
SA
VBOOTB
VBBB
L
P
F
ChB_HO
OUTB
ChB_LO
SB