AP89042_15 Datasheet, PDF (17/19 Pages) Aplus Intergrated Circuits – APLUS INTEGRATED CIRCUITS INC

Integrated Circuits Inc.
TYPICAL APPLICATIONS
Key Trigger Mode
aP89042
3.3V
0.1uF
VDD,VP
RST
ROS
C
OSC
COUT
S1
S2
••
•
S3
••
•
VOUT1
VOUT2
S8
OUT1
SBT
VSS
C
8Ω 1/4W
Speaker
T
Rb
8 / 16Ω
Speaker
Fig. 12 Using 3.3V Battery
HT7335
0.1uF
4.5V
ROS
C
••
•
Output driving of HT LDO:
HT7136 (30mA, 3.6V)
HT7133 (30mA, 3.3V)
HT7536 (100mA, 3.6V)
HT7335 (250mA, 3.5V)
RST
OSC
VDD,VP
COUT
S1
S2
S3
••
•
VOUT1
VOUT2
S8
OUT1
SBT
VSS
C
8Ω 1/4W
Speaker
T
Rb
8 / 16Ω
Speaker
Ver5.0
Fig. 13 Using 4.5V Battery
17
Aug 23, 2010