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TA8005F

Toshiba
Part Number TA8005F
Manufacturer Toshiba
Description 5V VOLTAGE REGULATOR WITH WATCHDOG TIMER
Published Jun 16, 2005
Detailed Description TA8005S/F TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8005S,TA8005F 5V VOLTAGE REGULATOR WITH WATCHDO...
Datasheet PDF File TA8005F PDF File

TA8005F
TA8005F

Overview
TA8005S/F TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8005S,TA8005F 5V VOLTAGE REGULATOR WITH WATCHDOG TIMER The TA8005S TA8005F is an IC specially designed for micro-computer 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×85% and has a watchdog timer which can self-diagnose the microcomputer system so that program runaway can be prevented.
Since its bias current is as small as 1.
4mA (max.
) , it can be connected directly to an automotive battery.
FEATURES l Accurate output : 5±0.
25V l Low bias current : 1.
4mA (max.
) l Power-on reset timer incorporated l Watchdog timer incorporated l Wide operating voltage range : 40V (max.
) l Operating temperature range : from −40 to 85°C l Output voltage adjusting pin attached l Small SIP-9 pin (TA8005S) SOP-14 pin (TA8005F) TA8005S TA8005F Weight SIP9-P-2.
54A : 0.
92 g (typ.
) SOP14-P-225-1.
27 : 0.
2 g (typ.
) 1 2002-02-27 BLOCK DIAGRAM AND PIN LAYOUT TA8005S/F Note: The TA8005S and TA8005F are the same chip, only the packages are different.
2 2002-02-27 TA8005S/F PIN DESCRIPTION PIN No.
TA8005S TA8005F 1 12 2 14 31 43 54 65 77 88 9 10 ― 2, 6, 9, 11, 13 SYMBOL BIAS OUT COMP VCC GND ADJ RESET TC CK NC DESCRIPTION Power supply starting pin.
The starting current is supplied through a resistor to which the input voltage is applied.
When VCC rises above 3.
0V, the starting current is absorbed in the internal circuit ; instead, IOUT is supplied via VCC.
Connected to the base of an external PNP transistor so that the output voltage is stabilized.
Power supply design suitable for particular load capacities is thus possible.
Since the recommended maximum IOUT is 5mA, an output current of 300mA is assured if the external transistor has an HFE of 60 or more.
Phase compensation pin for output stabilization Power supply pin for internal circuit.
The output voltage can a...


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