L5970AD 系列 36 V 1.5 A 开关 降压 开关稳压器 表面贴装 - SOIC-8
Description
The L5970AD is a step down monolithic power switching regulator with a switch current limit of 1.5A so it is able to deliver more than 1A DC current to the load depending on the application conditions. The output voltage can be set from 1.235V to 35V. The device uses an internal P-Channel D-MOS tran sistor with a typical RDSON of 200mΩ as switching element to avoid the use of bootstrap capacitor and guarantee high efficiency.
General Features
■ 1.5A INTERNAL SWITCH
■ OPERATING INPUT VOLTAGE FROM 4.4V TO 36V
■ 3.3V / ±2% REFERENCE VOLTAGE
■ OUTPUT VOLTAGE ADJUSTABLE FROM 1.235V TO 35V
■ LOW DROPOUT OPERATION: 100% DUTY CYCLE
■ 500KHz INTERNALLY FIXED FREQUENCY
■ VOLTAGE FEEDFORWARD
■ ZERO LOAD CURRENT OPERATION
■ INTERNAL CURRENT LIMITING
■ INHIBIT FOR ZERO CURRENT CONSUMPTION
■ SYNCHRONIZATION
■ PROTECTION AGAINST FEEDBACK DISCONNECTION
■ THERMAL SHUTDOWN
APPLICATIONS:
■ CONSUMER: STB, DVD, TV, VCR,CAR RADIO, LCD MONITORS
■ NETWORKING: XDSL, MODEMS,DC-DC MODULES
■ COMPUTER: PRINTERS, AUDIO/GRAPHIC CARDS, OPTICAL STORAGE, HARD DISK DRIVE
■ INDUSTRIAL: CHARGERS, CAR BATTERY DC-DC CONVERTERS
输出接口数 1
输出电压 1.235V ~ 35V
输出电流 1.5 A
针脚数 8
静态电流 5 mA
输出功率 750 mW
开关频率 500 kHz
输入电压Max 36 V
输入电压Min 4.4 V
输出电压Max 35 V
输出电压Min 1.235 V
工作温度Max 150 ℃
工作温度Min -40 ℃
电源电压 4.4 V
电源电压Min 4.4 V
输入电压 4.4V ~ 36V
安装方式 Surface Mount
引脚数 8
封装 SOIC-8
封装 SOIC-8
工作温度 -40℃ ~ 150℃
产品生命周期 Active
包装方式 Tape & Reel TR
RoHS标准 RoHS Compliant
含铅标准 Lead Free
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
L5970ADTR ST Microelectronics 意法半导体 | 当前型号 | 当前型号 |
L5970AD 意法半导体 | 类似代替 | L5970ADTR和L5970AD的区别 |