TB2924FG Toshiba, TB2924FG Datasheet
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TB2924FG
Specifications of TB2924FG
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TB2924FG Summary of contents
Page 1
... However, care should be exercised so that it will not be really exceeded, considering the board’s thermal resistance, ambient temperature, average output power and so forth. Toshiba has verified that the TB2924FG works properly without a heatsink on the Toshiba PC board for up to 10-watt by 2-channel output typical (V sine-wave input ...
Page 2
... Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purpose. BOOT PW Pre (−) V GND2 CC2 BOOT PW Pre 1 (−) V GND1 CC1 2 TB2924FG Pre OSC FEED FEED OSC OSC V SW IN2 2 (−) 2 (+) OUT AGC ...
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... No-connection pin (not connected inside the IC) 32 OUT2 (−) CH2 main amplifier output pin (− GND2 GND for CH2 main amplifier output stage 34 OUT2 (+) CH2 main amplifier output pin (+) 35 BOOT2 (+) CH2 bootstrap pin (+) 36 NC No-connection pin (not connected inside the IC) Description 3 TB2924FG 2006-01-25 ...
Page 4
... Turn the oscillator on “L” (GND): Turn the oscillator off (Example with multiple ICs) Pre OSC SW OSC OUT Master IC (preliminary Pre GND Open OSC IN OSC SW OSC OUT Slave IC 4 TB2924FG ) when open, while V for the built- OSC IN 2006-01-25 ...
Page 5
... Turn on the power supply after turning on muting. Timing charts may be simplified for explanatory purpose. 6. Board Mounting Consideration The switching of the TB2924FG is controlled with a rectangular-wave signal of approximately 200 kHz (typical recommended to place the TB2924FG far from the tuner portion, etc. that might be affected. 5 TB2924FG ...
Page 6
... Applications using the device should be designed such that each maximum rating will never be exceeded in any operating conditions. Before using, creating and/or producing designs, refer to and comply with the precautions and conditions set forth in this documents. Symbol Rating Unit o(peak) P 14.7 (Note − °C opr −55 to 150 T °C stg 6 TB2924FG 2006-01-25 ...
Page 7
... MUTE off V 1 Muted MUTE on Amplifier operating V 1 STB off (not standby Amplifier stopped (standby on) STB Oscillator operating OSC Oscillator stopped OSC off 7 TB2924FG = 8 Ω 25°C) L Min Typ. Max Unit ⎯ ⎯ 9 10.5 ⎯ 12 ⎯ 11.5 13 ⎯ 18 19.5 ⎯ ...
Page 8
... Pre NC 1 (−) V GND1 Rip/F NC CC1 Heat sink 10 C21 C24 0.1 µF 4.7 µF OUT1 (−) 1 µF C22 330 µF C23 LPF * 8 TB2924FG V CC 2200 µF 330 µF IN2 C13 1 µF C14 OSC IN2 FEED FEED OSC OSC Pre SW 2 (− ...
Page 9
... NC BOOT PW Pre 2 (−) V GND2 CC2 BOOT PW Pre NC 1 (−) V GND1 Rip/F NC CC1 Heat sink 10 0.1 µF 4.7 µF OUT1 (−) 1 µF 9 TB2924FG V CC IN2 1 µ OSC IN2 FEED FEED OSC OSC Pre SW 2 (−) 2 (+) OUT FEED FEED IN1 1 (− ...
Page 10
... Toshiba’s PC Board Layout (Back side) (Mounting side) 10 TB2924FG 2006-01-25 ...
Page 11
... Output LPF 10000 100000 kHz Ω kHz = 8 Ω TB2924FG THD – OUT CC OUT1_12 V OUT2_12 V 0.03 0.1 0 (W) OUT P _V OUT CC OUT1 OUT2 ( – ...
Page 12
... Ω −10 V rip = 0.775 Vrms −20 −30 −40 −50 −60 −70 −80 100000 10 12 TB2924FG I – V CCQ (V) CC ATT – V MUTE MUTE 0.5 1.0 1.5 2.0 V MUTE (V) C.T. – OUT2 → OUT1 OUT1 → ...
Page 13
... 0.8 0.6 0.4 0 620 Ω Ω −10 V rip = 0.775 Vrms −20 −30 −40 −50 −60 10000 10 125 150 13 TB2924FG V – OUT1 OUT2 100 1000 10000 R (Ω) g R.R. – OUT2 OUT1 100 1000 10000 100000 R (Ω) g ...
Page 14
... Package Dimensions Weight: 0.85 g (typ.) 14 TB2924FG 2006-01-25 ...
Page 15
... Failures have been reported in LSIs mounted near malfunctioning deflection yokes in TV sets. In such cases the device’s installation location must be changed or the device must be shielded against the electrical or magnetic field. Shielding against magnetism is especially necessary for devices used in an alternating magnetic field because of the electromotive forces generated in this type of environment. 15 TB2924FG 2006-01-25 ...
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... TB2924FG 2006-01-25 ...