產品概況
HT81298:最高升壓12V;
HT81698:最高升壓15V;
內置升壓的立體聲D類音頻功率放大器,其支持單節鋰電、雙節鋰電串聯、5V、12V等多種輸入,升壓后的電壓提供給功放供電,功放支持雙通道立體聲BTL輸出以及并聯PBTL單聲道輸出;
內置的升壓電路,可通過FB腳設置升壓值,以滿足不同的輸出功率需求;
其還可通過外置電阻調節開關峰值電流限值。
應用
・智能音響 ・無線音響
・便攜式音箱 ・2.1聲道小音箱
・拉桿音箱 ・便攜式游戲機
引腳圖
特點
HT81298
・Output Power (fIN = 1kHz, RL=4Ω, BTL)
VBAT = 3.7V, 2×10W (VOUT=9.5V, THD+N = 10%)
VBAT = 7.2V, 2×16W (VOUT=12V, THD+N= 10%)
・Output Power (fIN = 1kHz, RL=4Ω, PBTL)
VBAT = 3.7V, 20W (VOUT=12V, THD+N= 10%)
・Output Power (fIN = 1kHz, RL=4Ω, BTL)
VBAT = 7.2V, 2×25W (VOUT=14.8V, THD+N= 10%)
VBAT = 3.7V, 2×10W (VOUT=9V, THD+N = 10%)
・Output Power (fIN = 1kHz, RL=4Ω, BTL)
VBAT = 7.2V, 50W (VOUT=14.8V, THD+N= 10%)
VBAT = 3.7V, 20W (VOUT=9V, THD+N = 10%)
・Output Power (fIN = 1kHz, RL=4Ω, BTL)
VBAT = 3.7V, 20W (VOUT=12V, THD+N = 10%)
・Output Power (fIN = 1kHz, RL=4Ω)
VBAT = 7.2V, 2×25W (VOUT=14.8V,THD+N=10%)
VBAT=3.7V,2×10W (VOUT=9V, THD+N = 10%)
應用圖
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