UCC25701

所属类别：ACDC-和-DCDC-电源
产品名称：高级电压模式脉宽调制器
厂商：TI
生产批号：10+
封装：14PDIP, 14SOIC, 14TSSOP
库存状态：有库存
库存量：2500
最低订购量：1
详细资料：

Product Introduction

In the pulse width modulator UCC35701/UCC35702 home is used to isolate the switching power supply using the primary side control supply. They can be used in both offline applications and DC/DC converter designs, such as in distributed power system architectures, or as telecom power supplies.

These devices have low start-up current, high efficiency off-site starting line allows, but there is enough output driver in the 500kHz switching power MOSFET surplus.

Voltage feedforward compensation, operates over the 5:1 input range, and provides a fast, accurate response to input voltage changes over the 4:1 range. Accurate volt-second pliers and maximum duty cycle limits are also on display.

Fault protection provides pulse current limiting of pulses and the ability to latch programmable numbers after a fault occurs.

characteristic

700kHz operation
Integrated oscillator/voltage feedforward compensation
Precise duty cycle limits
Accurate volt-second clamping
Optocoupler interface
Count shutdown failures
Fault locking or automatic shutdown
Soft-stop synchronous rectification optimization
1A peak gate drive output
130μA start-up current
750μA operating current

parameter

	UCC25701
topology	Boost, reverse, forward
Control method	Voltage mode
Duty Cycle (Max) (%)	99
Frequency (max) (kHz)	700
On/off of undervoltage lockout threshold (5)	13 / 9
Pin/Pack	14PDIP，14SOIC，14TSSOP
(#) Regulated output	One
Operating Temperature Range (°C)	-40 to 85

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UCC25701

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