Rainbow Electronics aP89010 - Manual (Page 16)

Integrated Circuits Inc. aP89021/010
Ver 2.0 Dec 6, 2006 16
TYPICAL APPLICATIONS
Key Trigger Mode
Fig. 12 Using 3.3V Battery
Fig. 13 Using 4.5V Battery
VDD,VPP
VSS
4.5V
RST
S1
S2
S3
S4
SBT
OSC
0.1uF
10uF
R OSC 8050D
COUT
8Ω
Speaker
8 / 16Ω
Speaker
VOUT1
VOUT2
OUT1
HT7335
Output driving of HT LDO:
HT7136 (30mA, 3.6V)
HT7133 (30mA, 3.3V)
HT7536 (100mA, 3.6V)
HT7335 (250mA, 3.5V)
VDD,VPP
VSS
3.3V
RST
S1
S2
S3
S4
SBT
OSC
0.1uF
0.1uF
R
OSC 8050D
COUT
390Ω
8Ω
Speaker
8 / 16Ω
Speaker
VOUT1
VOUT2
OUT1