TEXAS INSTRUMENTS LM27342MY/NOPB 直流-直流开关降压逐步递减稳压器, 可调, 3V-20V输入, 1V-18V输出, 2A输出, HVSSOP-10
The LM2734x and LM2734x-Q1 regulators are monolithic, high-frequency, PWM step-down DC-DC converters in 10-pin WSON and 10-pin MSOP-PowerPAD packages. They contain all the active functions to provide local DC-DC conversion with fast transient response and accurate regulation in the smallest possible PCB area.
With a minimum of external components, the LM2734x and LM2734x-Q1 are easy to use. The ability to drive 1.5-A or 2-A loads respectively, with an internal 150-mΩ NMOS switch results in the best power density available. The world-class control circuitry allows for on-times as low as 65 ns, thus supporting exceptionally high frequency conversion. Switching frequency is internally set to 2 MHz and synchronizable from 1 to 2.35 MHz, which allows the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is very high, efficiencies up to 90% are easy to achieve. External shutdown is included, which features an ultra-low shutdown current of 70 nA. The LM2734x and LM2734x-Q1 use peak current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output overvoltage protection.
输出接口数 1
输出电压 1V ~ 18V
输出电流 2 A
针脚数 10
静态电流 2.40 mA
调节输出数 1
开关频率 2 MHz
拓扑结构 Buck
输入电压Max 20 V
输入电压Min 3 V
输出电压Max 18 V
输出电压Min 1 V
输出电流Max 2 A
工作温度Max 125 ℃
工作温度Min -40 ℃
电源电压 3 V
输入电压 3V ~ 20V
安装方式 Surface Mount
引脚数 10
封装 PowerPad-MSOP-10
封装 PowerPad-MSOP-10
工作温度 -40℃ ~ 125℃ TJ
产品生命周期 Active
包装方式 Cut Tape CT
RoHS标准 RoHS Compliant
含铅标准 Lead Free
REACH SVHC版本 2015/06/15
型号/品牌 | 代替类型 | 替代型号对比 |
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LM27342MY/NOPB TI 德州仪器 | 当前型号 | 当前型号 |