Toshiba Starts Mass Production of 5-Volt Constant Voltage Regulator ICs for Automotive Applications

TOKYO — (BUSINESS WIRE) — August 5, 2015Toshiba Corporation's (TOKYO:6502) Semiconductor & Storage Products Company today announced the start of mass production of "TB9005FNG" and "TB9021FNG", 5-volt constant voltage regulators for application in automotive systems.

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Toshiba: "TB9005FNG", a 5-volt constant voltage regulator for application in automotive systems (Pho ...

Toshiba: "TB9005FNG", a 5-volt constant voltage regulator for application in automotive systems (Photo: Business Wire)

"TB9005FNG" supports 1A or higher output current in combination with external power transistors, allowing use in automotive applications that require high output current. “TB9021FNG” includes an output transistor and supports 0.2A output current and contributes to a reduction of external ICs and system simplification. Both ICs also incorporate system reset functions for reset of microcontrollers off, which contributes to improved safety for automotive systems.

Key Features

  • Fabricated with low power consumption, fine pitch BiCD process.
  • Incorporate system reset functions for reset of microcontrollers when an abnormal state is detected.
  • "TB9021FNG" realizes a low stand-by current of 30µA (Typ.).
  • "TB9021FNG" output reset when clock signals are abnormally very fast.


Part Number   TB9005FNG   TB9021FNG
Output Voltage 5.0V±0.15V 5.0V±0.1V
Output Current Capability Depending on external Tr ability 200mA
Current Limiter Adjustable with external resistor 300mA
Stand-by Current 90μA (Typ.) 30μA (Typ.)
Protection Over current limiter Over temperature detection of IC

Over current limiter

Durable against the reverse connection of Vcc and GND

Low Voltage Detection Selectable of 4.25V (Typ.) or 4.75V (Typ.) Selectable of 4.2V (Typ.) or 4.7V (Typ.)
Power-on Reset Holding time adjustable by the value of external condenser.
Watchdog Timer Low Frequency Detection:
Clock pulse width < TWD (Time width defined by external condenser value)
WINDOW detection:
1ms < Clock pulse width < TWD (Time width defined by external condenser value)
Watchdog Hold Control Operating and holding can be changed by Watchdog timer select terminal
Operating Power Supply Voltage Range 6 to 18V
Operating Temperature Range -40 to 125°C
Package   SSOP-20-P-225-0.65A   HTSSOP16
Body size: 5.0mm × 4.4mm (0.65mm pitch)

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