TB2939HQ Datasheet (Toshiba) - 45W X 4-ch BTL Audio Power IC

TB2939HQ, 45W X 4-ch BTL Audio Power IC

Standby Switch (pin 4) The power supply can be turned on or off via pin 4 (Stby).

The threshold voltage of pin 4 is set at about 3 VBE (typ.).

The power supply current is about 0.01 µA (typ.) in the standby state.

VCC ON OFF Power 4 10 kΩ ≈ 2 VBE to Bias filter network Standby Control Voltage (V

TB2939HQ Features

* Features

* High output power

* POUT MAX (1) = 45 W (typ.) (VCC = 15.2 V, f = 1 kHz, JEITA max, RL = 4 Ω) POUT MAX (2) = 41 W (typ.) (VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 4 Ω) POU