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PDF TA8000S Data sheet ( Hoja de datos )
| Número de pieza | TA8000S | |
| Descripción | 5V VOLTAGE REGULATOR WITH WATCHDOG TIMER | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TA8000S (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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TA8000S/F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8000S,TA8000F
5V VOLTAGE REGULATOR WITH WATCHDOG TIMER
The TA8000S TA8000F is an IC specially designed for automotive
microcomputer systems. It produces an output voltage of 5 ±
0.25V without need for adjustment from its accurate reference
voltage and amplifier circuit.
At power-on, it outputs a reset signal to reset the system. It will
also output a reset signal when the 5 V output voltage drops
below 85% because of external disturbance or other problem. It
also incorporates a watchdog timer for self-diagnosing the system.
When the system malfunctions, the IC generates reset pulses
intermittently to prevent the system from running away.
FEATURES
l Accurate output
: 5 ± 0.25V
l Output voltage adjusting pin attached
l Power-on reset timer incorporated
l Watchdog timer incorporated
l Wide operating voltage range
: 40 V (max.)
l Operating temperature range
: from −40 to 85°C
l Load dump protection
: 80 V (max.) (1 second)
l Small SIP-9 pin
: TA8000S
SOP-14 pin
: TA8000F
TA8000S
TA8000F
Weight
SIP9-P-2.54A
: 0.92 g (typ.)
SOP14-P-225-1.27 : 0.2 g (typ.)
1 2002-02-27
1 page  
TIMING CHART
TA8000S/F
Note: TRST(1), TRST(2), TWD, TW : See Electrical Characteristics.
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC
SYMBOL
Input Voltage
Output Current
Output Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Lead Temperature time
VIN1
VIN2
IOUT1
IOUT2
VOUT1
VOUT2
PD
Topr
Tstg
Tsol
Note:
VIN1
: BIAS input
VIN2
: CK
input
IOUT1, VOUT1 : OUT output
IOUT2, VOUT2 : RESET output
PD : TA8000S / TA8000F
RATING
80 (1s)
−5 ~ + 16
10
4
80 (1s)
16
500 / 280
−40~85
−55~150
260 (10s)
UNIT
V
mA
V
mW
°C
°C
°C
5 2002-02-27
5 Page 
2. High Output Current Circuit
ILOAD = 300mA Max., VBATT = 6~17V
TA8000S/F
EXAMPLE OF APPLICATION CIRCUIT USING DARLINGTON TRANSISTOR
*: ● Select a C1 value according to the working condition - - typically above 2000pF.
● Insert ZD when necessary.
APPLICATION CIRCUIT OF WATCHDOG / RESET TIMER
1. TRST (1) ≈ 10ms Power-On Reset Timer
2. TRST (1) ≈ 1.5TWD
11 2002-02-27
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet TA8000S.PDF ] | |
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