MC33264 Datasheet, PDF (7/8 Pages) ON Semiconductor – LOW DROPOUT MICROPOWER VOLTAGE REGULATORS WITH ON/OFF CONTROL

MC33264
Figure 11. Low Battery Disconnect
22.1 k
2
100 k
MC34164P–5 ₁
3
31.6 k
6.0 V
Lead–Acid Battery
1
5
Vin
On/Off
8
Vout
0.1
2
Base
MC33264
3
On/Off
4
N/C
Main V+
Memory V+
20
Gnd Adj
4
5
R2
1.0 µF
3.0 k
NiCad
Backup Battery
R1
1.0 k
1.0
0.1
0.1
Figure 12. RF Amplifier Supply
100 µF
200
VBattery 7.0 V
VBB Double 12 2 1
3
VBB
11
Generator
(Voltage Tripler)
1.0
VBB
Triple
VCC 14
MC33169
9
Tx On Input
13
On/Off
Idle Mode Input
Priority
Management
Sense
6
Gnd
Charge
Pump
Negative
Generator
(–2.5 V or –4.0 V)
VSS
Output
7
5
4
1.0
1N5819
0.22
8
Gate Drive
Output
10
Sense
Input
1
0.33
2
Vin
On/Off
8
Vout
7
Base N/C
MC33264
3
On/Off
4
N/C
Gnd Adj
3.0 k
6
5
1.0 k
RF In
TIP32B
0.01
5.0 V @ 0.5 A
4.7 µF
Tant
100 µF
RF
Out
Power Amplifier
100
0.1
MOTOROLA ANALOG IC DEVICE DATA
7