UCC3960

所属类别：ACDC-和-DCDC-电源
产品名称：初级侧启动控制器
厂商：TI
生产批号：11+
封装：8PDIP, 8SOIC
库存状态：有库存
库存量：48000
最低订购量：1
详细资料：

Product Introduction

The UCC3960 Primary Side Startup Controller is a unique solution that provides all the primary side functions, single-ended, isolated offline needs, switching power converters, and secondary side PWM control. It is a widely used secondary loop and is particularly suitable for systems required for overload handling under complex conditions.

The secondary control assumes that the output voltage and current measurement is directly connected to the output site as a reference PWM development stage, which is the command of the power supply switch. This digital PWM command can be transmitted to the primary side power switch through a simple and low pulse isolation transformer's cost. Secondary side control, which is easy to monitor and control the load of the analog control loop system with tight coupling.

characteristic

With the secondary side PWM control operation
Receives isolated PWM instructions through the pulse rising edge transformer
Preliminary free operation and duty cycle clamp soft start
Switching frequencies up to 400 kHz can be synchronized
High current FET driver (1.5 sink, 0.75 source)
Overcurrent protection
Undervoltage lockout with 2 - V hysteresis
Low current starts a typical operating circuit

parameter

	UCC3960
Duty Cycle (Max) (%)	72
Frequency (max) (kHz)	400
Pin/Pack	8PDIP，8SOIC
(#) Regulated output	One
Operating Temperature Range (°C)	0 to 70

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UCC3960

parameter

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