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PDF TA8007AS Data sheet ( Hoja de datos )
| Número de pieza | TA8007AS | |
| Descripción | 5V VOLTAGE REGULATOR WITH WATCHDOG TIMER | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TA8007AS (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8007AS
TA8007AS
5 V Voltage Regulator with Watchdog Timer
The TA8007AS is an IC specially designed for microcomputer
systems. It incorporates a highly accurate constant-voltage power
supply (5±0.25V) and various system reset functions. For system
reset, it monitors the output voltage of VREG×88% and has a
watchdog timer which can self-diagnose the microcomputer
system so that program runaway can be prevented. It also has
other monitor functions for checking the operation of the
microcomputer system.
Since its standby current is as small as 1.2mA (max), it can be
connected directly to an automotive battery.
Features
l Accurate output
l Low standby current
: 5±0.25V
: 1.2mA (max)
Weight: 0.92g (typ.)
l Power-on reset timer and watchdog timer incorporated, as well as reset and monitor outputs
l Wide operating voltage range
: 40V (max)
l Wide operating temperature range : from −40 to 105°C
l Small SIP-9pin
Block Diagram and Pin Layout
1 2003-01-17
1 page  
TA8007AS
Electrical Characteristics (VIN = 6~18V, ILOAD = 10mA, Ta = −40~105°C)
Characteristics
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient
Output Voltage
Output Leakage Current
Input Current
Threshold Voltage
Input Current
Input Voltage
Reset Detect Voltage
Standby Current
Overvoltage Detection
Watchdog Timer
Reset Timer (1)
Reset Timer (2)
Clock Pulse Width
Symbol
VREG
VLINE
VLOAD
VOL
ILEAK
IIN
VIH
VIL
IIN
VIH
VIL
IST
VSD
TWD
Pin
VCC
VCC
VCC
VCC
RESET , M
RESET , M
TC
TC
Test
circuit
Test Condition
―
― VIN = 5.5~35V
― ILOAD = 1~50mA
―
― IOL = 1mA
― VOUT = 10V
― VIN = 0~3.5V
―
―
CK ― VIN = 5V
―
CK
―
VCC
VCC
BIAS
―
― VIN = 14V
―
RESET
―
TRST (1)
RESET
―
TRST (2)
TW
RESET
CK
―
―
Min Typ. Max Unit
4.75 5.0 5.25
V
― 0.1 0.5 %
― 0.1 0.5 %
― 0.01 ― % / °C
― ― 0.5 V
― ― 5 µA
−3 ― 3 µA
―
VREG
×80%
―
―
VREG
×40%
―
V
― 0.14 0.3 mA
2 ――
V
― ― 0.5
VREG VREG VREG
×85% ×88% ×91%
V
― 0.6 1.2 mA
― 44 ― V
0.9×
CTRT
1.3×
CTRT
0.3×
CT
3
1.1×
CTRT
1.6×
CTRT
0.7×
CT
―
1.3×
CTRT
1.9×
CTRT
1.5
×CT
―
ms
µs
Note 1 : The unit for CT is µF, the unit for RT is kΩ.
Note 2: The specification values of Power-on Reset, Watchdog Timer and Reset Timer above are intended to
guarantee only for this IC. Note that the fluctuations of CT and RT values should be taken into consideration
for practical use of the IC.
5 2003-01-17
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TA8007AS.PDF ] | |
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