EcoSpeed? 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 頁數(shù)：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

EcoSpeed? 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 頁數(shù)：32 Pages

SEMTECH

先之科

80秒255段一線語音芯片SC5080B

SC5080B是最新推出多功能單芯片4位CMOS控制器語音芯片，提供4通道的語音/Midi 合成功能，語音合成方式采用先進的高音質(zhì)ADPCM算法，最高采樣率可達CD音質(zhì)44.1kHz，且硬件有16級的音量控制 。具有3個I/O輸入輸出，兩種音頻輸出方式.PWM輸出和DAC輸出,精準的+/-1%內(nèi)部震蕩，不需要加外部震蕩，具備超低功耗待機和簡易編程功能。外圍元件少成本低，性能穩(wěn)定，抗干擾強，控制簡單的一次性編程（OTP）語音芯片。在6KHz采樣頻率最大可以錄制80秒語音及和弦MIDI音樂。兩種控制方式,按鍵模式和一線串行控制模式，最大可以分255段語音.可將不同的語音資料寫錄進芯片ROM (1) 可編程一次性燒錄（OTP）語音芯片.\r\n(2) 語音長度可達80秒（6KHz采樣率）.\r\n(3) 音頻輸出方式為DAC接外部功放和PWM直接驅(qū)動8歐0.5W喇叭或蜂鳴片.\r\n(4)內(nèi)部集成時鐘振蕩器.\r\n(5)具有按鍵控制模式、一線串行控制模式，可利用MCU/IR/RF發(fā)送地址碼控制相應(yīng)語音播放，也具備播放\\停止、循環(huán)、音量等指令。\r\n(6)最大可存放1536個語音文件.\r\n(7)最多可加載255段語音.\r\n(8)任一輸入腳可分別選擇 7種不同的觸發(fā)方式組合；\r\n(9)支持播放最大44.1K下不同采樣率的語音文件及和弦MIDI音樂；\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 裸露焊盤；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 功能：降壓 類別：集成電路（IC） PMIC - 穩(wěn)壓器 - DC DC 開關(guān)式控制器 描述：IC REG CTRLR BUCK 20MLPQ

Semtech Corporation

Package：20-VFQFN 裸露焊盤；包裝：管件 功能：降壓 類別：集成電路（IC） PMIC - 穩(wěn)壓器 - DC DC 開關(guān)式控制器 描述：IC REG CTRLR BUCK 20MLPQ

Semtech Corporation

Package：20-VFQFN 裸露焊盤；包裝：管件 功能：降壓 類別：集成電路（IC） DC-DC 開關(guān)控制器 描述：IC REG CTRLR BUCK 20MLPQ

Semtech Corporation