EcoSpeed짰 DC-DC Buck Controller with Integrated LDO

Description The SC508/SC508A is a synchronous EcoSpeed®buck regulator which incorporates Semtech’s advanced, patented adaptive `on-time control architecture to provide excellent light-load efficiency and fast transient response. It features an integrated bootstrap switch and a fixed 5V LDO in a 3

文件：847.39 Kbytes 页数：32 Pages

SEMTECH

先之科

46V EcoSpeed® DC-DC Buck Controller with Integrated LDO

The SC508/SC508A is a synchronous EcoSpeed® buck regulator which incorporates Semtech’s advanced, patented adaptive `on-time control architecture to provide excellent light-load efficiency and fast transient response. ·Power system·Input voltage — 4.5V to 46V\n·Integrated bootstrap switch\n·Fixed 5V LDO output — 200mA\n·1% reference tolerance -40 to +85 °C\n·Selectable internal/external bias power supply\n·EcoSpeed® architecture with pseudo-fixed frequency adaptive on-time control\n\n·Logic input and output c;

Semtech

先之科

EcoSpeed짰 DC-DC Buck Controller with Integrated LDO

Description The SC508/SC508A is a synchronous EcoSpeed®buck regulator which incorporates Semtech’s advanced, patented adaptive `on-time control architecture to provide excellent light-load efficiency and fast transient response. It features an integrated bootstrap switch and a fixed 5V LDO in a 3

文件：847.39 Kbytes 页数：32 Pages

SEMTECH

先之科

80秒255段一线语音芯片SC5080B

SC5080B是最新推出多功能单芯片4位CMOS控制器语音芯片，提供4通道的语音/Midi 合成功能，语音合成方式采用先进的高音质ADPCM算法，最高采样率可达CD音质44.1kHz，且硬件有16级的音量控制 。具有3个I/O输入输出，两种音频输出方式.PWM输出和DAC输出,精准的+/-1%内部震荡，不需要加外部震荡，具备超低功耗待机和简易编程功能。外围元件少成本低，性能稳定，抗干扰强，控制简单的一次性编程（OTP）语音芯片。在6KHz采样频率最大可以录制80秒语音及和弦MIDI音乐。两种控制方式,按键模式和一线串行控制模式，最大可以分255段语音.可将不同的语音资料写录进芯片ROM (1) 可编程一次性烧录（OTP）语音芯片.\r\n(2) 语音长度可达80秒（6KHz采样率）.\r\n(3) 音频输出方式为DAC接外部功放和PWM直接驱动8欧0.5W喇叭或蜂鸣片.\r\n(4)内部集成时钟振荡器.\r\n(5)具有按键控制模式、一线串行控制模式，可利用MCU/IR/RF发送地址码控制相应语音播放，也具备播放\\停止、循环、音量等指令。\r\n(6)最大可存放1536个语音文件.\r\n(7)最多可加载255段语音.\r\n(8)任一输入脚可分别选择 7种不同的触发方式组合；\r\n(9)支持播放最大44.1K下不同采样率的语音文件及和弦MIDI音乐；\r\n(10)支持;

STChip

速佑科技

46V EcoSpeed® DC-DC Buck Controller with Integrated LDO, AEC-Q100 Qualified

The SC508/SC508A is a synchronous EcoSpeed® buck regulator which incorporates Semtech’s advanced, patented adaptive `on-time control architecture to provide excellent light-load efficiency and fast transient response. ·Power system·Input voltage — 4.5V to 46V\n·Integrated bootstrap switch\n·Fixed 5V LDO output — 200mA\n·1% reference tolerance -40 to +85 °C\n·Selectable internal/external bias power supply\n·EcoSpeed® architecture with pseudo-fixed frequency adaptive on-time control\n\n·Logic input and output c;

Semtech

先之科

Package：20-UFQFN 裸露焊盘；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 功能：降压 类别：集成电路（IC） PMIC - 稳压器 - DC DC 开关式控制器 描述：IC REG CTRLR BUCK 20MLPQ

SEMTECH

先之科

Package：20-VFQFN 裸露焊盘；包装：管件 功能：降压 类别：集成电路（IC） PMIC - 稳压器 - DC DC 开关式控制器 描述：IC REG CTRLR BUCK 20MLPQ

SEMTECH

先之科

Package：20-VFQFN 裸露焊盘；包装：管件 功能：降压 类别：集成电路（IC） DC-DC 开关控制器 描述：IC REG CTRLR BUCK 20MLPQ

SEMTECH

先之科