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TA8044F
3.3 V/5 V Dual-Voltage Regulator with Watchdog Timer
TA8044F TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8044F 3.3 V/5 V Dual-Voltage Regulator with Watchdog Timer
Designed specifically for use in 3.3 V microcomputers, this IC
contains two constant-voltage power supplies for 3.3 V and 5 V
uses and various system reset functions.
This IC’s Power Supply Output 1 provides an output voltage of
3.4 V and contains an output transistor capable of producing 10
mA of output current. With an external boost transistor
connected, this IC can supply a large output current. A 250 mA
current limiter is included.
Power Supply Output 2 provides an output voltage of 5.0 V which
can be turned on or off from the EN pin. This output uses an
external output transistor. Any desired current limiter value can
be set using an external adjusting resistor.
For a system reset, it has a low-voltage monitor/power-on
reset/watchdog timer at Power Supply Output 2.
Features Power Supply Output 1 Output voltage : 3.4 V ± 0.15 V Output current : 10 mA (built-in transistor)/300 mA (when urrent boost transistor connected) Current limiter : 250 mA Power Supply Output 2 Output voltage : 5.0 V (−0.18 V to +0.15 V) Output current : 600 mA (External transistor) Current limiter : Variable using external adjusting resistor Reset functions : Low-voltage monitor and power-on watchdog timer Low standby current : 800 µA (max) Wide operating temperature range : −40°C to 125°C Compact flat package SSOP-16pin : 16-pin SSOP
Weight: 0.14 g (typ.)
