UCC3808-1 低功耗电流模式推拉 PWM

描述

UCCx808-x是一系列BiCMOS推挽式高速，低功耗脉冲宽度调制器。 UCCx808包含离线或DC-DC固定频率电流模式开关电源所需的所有控制和驱动电路，外部元件数量最少。

安排UCCx808-x双输出驱动级在推拉式配置中。两个输出均使用拨动触发器以振荡器频率的一半切换。两个输出之间的死区时间通常为60 ns至200 ns，具体取决于定时电容和电阻的值，从而将每个输出级占空比限制在50％以内。


Topology
Control Method
Vin (Min) (V)
Vin (Max) (V)
Frequency (Max) (kHz)
UVLO Thresholds On/Off (V)
Duty Cycle (Max) (%)
Gate Drive (Typ) (A)
Features
Rating
Operating Temperature Range (C)
Pin/Package

UCC3808-1	UCC3808-2	UCC3808A-1	UCC3808A-2
Push-Pull	Push-Pull	Push-Pull	Push-Pull
Current	Current	Current	Current
8.3	4.1	8.3	4.1
15	15	15	15
1000	1000	1000	1000
12.5/8.3	4.3/4.1	12.5/8.3	4.3/4.1
49	49	49	49
1	1	1	1
Error Amplifier Multi-topology Soft Start	Error Amplifier Multi-topology Soft Start	Error Amplifier Multi-topology Soft Start	Error Amplifier Multi-topology Soft Start
Catalog	Catalog	Catalog	Catalog
0 to 70	0 to 70	0 to 70	0 to 70
8PDIP 8SOIC	8PDIP 8SOIC	8PDIP 8SOIC	8PDIP 8SOIC 8TSSOP

数据手册（1）

元器件购买 UCC3808-1 相关库存