一、简介
RT8110是一个单供电的PWM DC/DC控制器,设计于一个同步阶跃拓扑结构,驱动N沟道场效应管。该IC在一个小8脚封装上集成了控制、输出调节、监测和保护功能模块。
二、特点
5~23V宽输入工作电压
0.8V的内部基准电压
可以驱动2个N沟道场效应管
高DC增益电压模式PWM控制
快速的瞬态响应
固定的400KHz振荡频率
全动态0~80%的占空系数
内部软启动
自适应非重叠栅极驱动
过流保护,低压闭塞
顺应RoHS规范和100%无铅
三、引脚功能
引脚 | 名称 | 功能 | 类型 |
1 | BOOT | 自举 | |
2 | DRIVE | 驱动使能 | O |
3 | FB | 输出反馈 | I |
4 | VCC | 供电 | |
5 | LGATE | 下管栅极驱动 | O |
6 | GND | 地 | |
7 | UGATE | 上管栅极驱动 | O |
8 | PHASE | 过流保护下管电压降监测 | I |
Ordering Info |
Note : |
Features |
• 8V to 23V Wide Range Operation • 0.8V Internal Reference • Internal Soft Start • High DC Gain Voltage Mode PWM Control • Fixed 400kHz Switching Frequency • Fast Transient Response • Fully Dynamic 0 to 80% Duty Cycle • Over Current Protection • Under Voltage Protection • Over Temperature Protection • Tiny Package TSOT-23-8 • RoHS Compliant and 100% Lead (Pb)-Free |
Application |
• Set-top Box Power Supplies • PC Subsystem Power Supplies • Cable Modems, DSL Modems • DSP and Core Communication Processor Power Supplies • Memory Power Supplies • Personal Computer Peripherals • Industrial Power Supplies • Low Voltage Distributed Power Supplies |
Pin Configurations |
(TOP VIEW) dzsc/17/4902/17490290.GIF |
Typical Applications Circuit |
dzsc/17/4902/17490290.GIF Figure 1. Single Input Power Rail Application
Figure 2. Split Input Power Rail Application |
TOSHIBA Transistor Silicon NPN Triple Diffused Type (PCT process)2SC3075Switching Regulator and High Voltage SwitchingApplicationsDC-DC Converter ApplicationsDC-AC Converter Applications• Excellent switching times: tr = 1.0 μs (max)tf= 1.5 μs (max), (IC = 0.5 A)• High collector breakdown voltage: VCEO = 400 V
产品名称: JZC-11F型中功率直流电磁继电器(785) 产品规格: 3VDC,5VDC,6VDC,9VDC,12VDC,18VDC,24VDC,48VDC 负载: 1H:5A、10A;1HL:3A 30VDC/250VAC 产品尺寸: 10mm×18.2mm×15mm 产品重量: ≤9g 产品简介: 适用于办公设备、家用电器、汽车等的电路控制