产品概况
HT81298:最高升压12V;
HT81698:最高升压15V;
内置升压的立体声D类音频功率放大器,其支持单节锂电、双节锂电串联、5V、12V等多种输入,升压后的电压提供给功放供电,功放支持双通道立体声BTL输出以及并联PBTL单声道输出;
内置的升压电路,可通过FB脚设置升压值,以满足不同的输出功率需求;
其还可通过外置电阻调节开关峰值电流限值。
应用
・智能音响 ・无线音响
・便携式音箱 ・2.1声道小音箱
・拉杆音箱 ・便携式游戏机
引脚图
特点
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%)
应用图
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