TB2939HQ - 45W X 4-ch BTL Audio Power IC
1.
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
