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TA8044AF Datasheet(PDF) 8 Page - Toshiba Semiconductor

Part # TA8044AF
Description  3.3V / 5V DUAL-VOLTAGE REGULATOR WITH WATCHDOG TIMER
PDF  10 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TA8044AF Datasheet(HTML) 8 Page - Toshiba Semiconductor

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TA8044AF
2002-02-27
8
EXAMPLE OF APPLICATION CIRCUIT (3)
3.3V power supply with current boost
transistor +5V power supply, 5V / 3V parallel
connected
RECOMMENDED CONDITIONS
PART NAME
MIN
MAX
UNIT
CT
0.01
100
µF
RT
5
100
kΩ
APPLICATION CIRCUIT FOR CK INPUT
Capacitor Coupling
Timing Chart
The capacitor coupling allows reset pulses to be supplied intermittently from the RESET pin whether the input
level (IN) is high or low.
16
VIN2
15
VS2
14
13
12
11
10
9
8
OUT2 VCC2 COMP2 VCC3
CK
TC
1
2
3
4
5
6
7
VIN1
VS1 OUT1 VCC1 COMP1 EN
GND RESET
TA8044AF
4700 pF
C3
10
mF
C4
2200 pF
RT
CT
VDD 5.0 V
Po1
3.3 V
VDD 3.3 V
RESET
RS
VB
5.0 V
4700 pF
VSS
CPU
IGN KEY
10
TA8044AF
2200 pF
5 V
0
IN
CK
9
• IN
• CK
0
5 V
0



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