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TPA2013D1 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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TPA2013D1 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 28 page www.ti.com PWM and Level Shifter H-Bridge Internal Oscillator Biases, Control, and References Regulator V max Control Gate Control Anti- Ringing PGND AGND BGControl PGND AGND V OUT CC Vref AGND IN+ IN– SDb V DD SW V OUT CC V FB CC V IN CC VOUT+ VOUT– PGND SDd Res. Array GAIN TPA2013D1 SLOS520 – AUGUST 2007 Functional Block Diagram Table 1. BOOST CONVERTER MODE CONDITION CASE OUTPUT CURRENT MODE OF OPERATION VDD < VCC Low Continuous (fixed frequency) VDD < VCC High Continuous (fixed frequency) VDD ≥ VCC Low Discontinuous (variable frequency) VDD ≥ VCC High Discontinuous (variable frequency) Table 2. DEVICE CONFIGURATION Boost Class D SDb SDd Comments Converter Amplifier low low OFF OFF Device is in shutdown mode Iq ≤ 1 μA Boost converter is off. Class-D Audio Power Amplifier (APA) can be driven by an low high OFF ON external pass transistor connected to the battery. high low ON OFF Class-D APA is off. Boost Converter is on and can be used to drive an external device. Boost converter and Class-D APA are on. Normal operation. Boost converter can be high high ON ON used to drive an external device in parallel to the Class-D APA within the limits of the boost converter output current. Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPA2013D1 |
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