TB62779FNG Toshiba, TB62779FNG Datasheet - Page 7

• Manufacturer Part Number: TB62779FNG
• Manufacturer: Toshiba

Specifications of TB62779FNG

• Package: VSOP20
• # Outputs: 9
• Vout Max: 29V
• Io: 5.0 to 40mA
• Io Accuracy: ±6.0%
• Features Error Detection: -
• Features Gain Control: -
• Features Pwm Dimming: 7-bit
• Other Features & Functions: 2-wire interface
• Rohs Compatible Product(s) (#): Available

7. Power-ON Reset (POR)
8. Thermal Shutdown (TSD)
outputs to off.
When the die temperature reaches 150°C, the thermal shutdown circuit is tripped, switching the constant-current
The constant-current outputs are automatically turned on when the temperature cools past the shutdown threshold.
TSD trip temperature: 150°C to 170°C
TSD recovery temperature: 30°C below the TSD trip temperature
2.0 V
1.8 V
0 V
The POR circuitry resets all the internal data to the default values upon powering up the TB62779FNG in order
to ensure proper device operation.
The internal data hold voltage is guaranteed after Vcc has once reached or exceeded 3.0 V.
The POR circuitry is only activated when Vcc rises from 0 V. To reactivate POR, Vcc must be powered down to 0 V.
POR Active
Initial Clear
Vcc Waveform
POR Completed
POR Not Active
7
POR Active
Reset Completion Voltage
Minimum Data Hold Voltage
TB62779FNG
2010-07-21