參數(shù)資料
型號(hào): TB2936HQ
元件分類: 音頻/視頻放大
英文描述: 26 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: 1 MM PITCH, PLASTIC, HZIP-25
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 470K
代理商: TB2936HQ
TB2936HQ
2009-02-04
3
Detailed Description
(The following only describes one of the four channels, since all these channels are
symmetrical.)
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.
Standby Control Voltage (VSB): Pin 4
Standby
Power
VSB (V)
ON
OFF
0 to 0.9
OFF
ON
2.9 to VCC
Check the pop levels when the time constant of
pin 4 is changed.
Benefits of the Standby Switch
(1)
VCC can be directly turned on or off by a microcontroller, eliminating the need for a switching relay.
(2)
Since the control current is minuscule, a low-current-rated switching relay can be used.
Figure 2 Standby Switch
VCC
Low-current-rated switch
Battery
Standby
VCC
From microcontroller
Battery
Standby
– Using the Standby Switch –
– Conventional Method –
VCC
High-current-rated switch
Battery
VCC
From
microcontroller
Battery
Relay
Figure 1 Setting Pin 4 High Turns on
Power
ON
4
OFF
10 k
Ω
to Bias
filter network
≈ 2 VBE
VCC
Power
相關(guān)PDF資料
PDF描述
TB2946HQ 26 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM25
TB31201FN PLL FREQUENCY SYNTHESIZER, 400 MHz, PDSO16
TB31201FN-TP1 PLL FREQUENCY SYNTHESIZER, 400 MHz, PDSO16
TB31206FN PLL FREQUENCY SYNTHESIZER, 1100 MHz, PDSO16
TB31214FNG PLL FREQUENCY SYNTHESIZER, 400 MHz, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TB2939HQ(O) 功能描述:音頻放大器 45W x 4-CHANNEL car power amplifer RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TB2946HQ(O) 功能描述:音頻放大器 49W x 4-CH Class-AB car power amplifer RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TB2955HQ(O) 功能描述:音頻放大器 45W 4-CH High-EFF car power amplifer RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TB-2B.7-AL 制造商:OKW ENCLOSURES INC 功能描述:ENCLOSURE, TB-2B, WHITE, 6.299 X 3.7 X 1.24 INCHES
TB2BS 制造商:Cooper Bussmann 功能描述:FUSE BASE NH 400A 3POLE SZ:1