Low Output Voltage 3MHz Micropower Synchronous Boost Converters

DESCRIPTION The LTC®3423 and LTC3424 are high efficiency, fixed frequency, step-up DC/DC converters that can regulate output voltages as low as 1.5V from a single cell. An applied voltage of at least 2.7V to the VDD pin is required to power the internal control circuitry. The devices include

低输出电压、3MHz 微功率同步升压型转换器

LTC®3423 和 LTC3424 是高效率、固定频率、升压型 DC/DC 转换器，它们能够采用单节电池调节低至 1.5V 的输出电压。需要给 VDD 引脚施加一个至少 2.7V 的电压，以为内部控制电路供电。 \n\n 这两款器件内置一个 0.16Ω N 沟道 MOSFET 开关和一个 0.21Ω P 沟道同步整流器。LTC3423适用于需要低于 0.75W 输出功率的应用，而 LTC3424 则适用于输出功率 ≤ 1.5W 的应用。利用一个外部定时电阻器设置高达 3MHz 的开关频率，而振荡器可同步至一个外部时钟。\n\n 在突发模式操作中的静态电流仅为 38μA，从 • 1.5V 至 5.5V 可调输出电压\n\n• 同步整流：效率高达 95%\n\n• 1A 开关电流 (LTC3423) 或 \n2A 开关电流 (LTC3424)\n\n• 高达 3MHz 的固定频率操作\n\n• 宽输入范围：0.5V 至 5.5V (工作时)\n\n• 非常低的静态电流：38μA (Burst Mode® 操作)\n\n• 无需外部肖特基二极管\n\n• 可同步开关频率\n\n• 突发模式使能控制\n\n• OPTI-LOOP® 补偿\n\n• 非常低的停机电流：< 1μA\n\n• 小外形 10 引脚 MSOP 封装;

Low Output Voltage, 3MHz Micropower Synchronous Boost Converters

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Low Output Voltage, 3MHz Micropower Synchronous Boost Converters

文件：206.27 Kbytes Page：12 Pages

Low Output Voltage 3MHz Micropower Synchronous Boost Converters

DESCRIPTION The LTC®3423 and LTC3424 are high efficiency, fixed frequency, step-up DC/DC converters that can regulate output voltages as low as 1.5V from a single cell. An applied voltage of at least 2.7V to the VDD pin is required to power the internal control circuitry. The devices include

Low Output Voltage, 3MHz Micropower Synchronous Boost Converters

文件：212 Kbytes Page：12 Pages

封装/外壳：10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 功能：升压 包装：卷带（TR） 描述：IC REG BOOST ADJ 1A 10MSOP 集成电路（IC） 稳压器 - DC-DC 开关稳压器

Low Output Voltage, 3MHz Micropower Synchronous Boost Converters

文件：206.27 Kbytes Page：12 Pages

封装/外壳：10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 功能：升压 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC REG BOOST ADJ 1A 10MSOP 集成电路（IC） DC DC 开关稳压器

Double cassette tape recorder system preamplifier

Double cassette tape recorder system preamplifier The BA3423S is a record /playback system preamplifier for radio cassette decks. With four control pins it allows switch ing between I/O for the A (play only) and B (record and play) mechanisms, input for tape, radio, and microphone, on and off

TRIPLE DIFFUSED PNP TRANSISTOR(AUDIO FREQUENCY AMPLIFIER)

AUDIO FREQUENCY AMPLIFIER APPLICATION. FEATURES • High Breakdown Voltage : VCEO=150V(Min.). • Low Output Capacitance : Cob=5.0pF(Max.). • High Transition Frequency : fT=120MHz(Typ.). • Complementary to KTA1360.

OVERVOLTAGE SENSING CIRCUIT

This overvoltage protection circuit (OVP) protects sensitive electronic circuitry from overvoltage transients or regulator failures when used in conjunction with an external “crowbar” SCR. The device senses the overvoltage condition and quickly “crowbars” or short circuits the supply, forcing the

OVERVOLTAGE SENSING CIRCUIT

This overvoltage protection circuit (OVP) protects sensitive electronic circuitry from overvoltage transients or regulator failures when used in conjunction with an external “crowbar” SCR. The device senses the overvoltage condition and quickly “crowbars” or short circuits the supply, forcing the

.025 NPN Phototransistors

PRODUCT DESCRIPTION A small area high speed NPN silicon phototransistor in a 3 mm diameter, lensed plastic package. The package material transmits infrared and blocks visible light. These devices are spectrally and mechanically matched to the VTE33xxLA series of IREDs.