Slkor SL27523: A Reliable Substitute for Texas Instruments UCC27523

 Slkor SL27523: A Reliable Substitute for Texas Instruments UCC27523


VDD(V)：24V
IO(A)：4A
IDDq(A)：180μA
TA(℃）：125℃
Package：SOP-8



Description

● The SL27523/4/5 are dual-channel 4A high-speed low- side gate drivers that efficiently and safely drive MOSFETs and IGBTs. Features such as low propagation delay and mismatch, and a compact SOP-8 package allow MOSFETs to switch at several hundreds of kHz. The chip is applicable to synchronous rectification driving of servers and communication power supply. In this condition, the dead time of the synchronous tube MOSFET leads to direct influence on efficiency of the converter. The driver can increase the output drive current by paralleling two channels. Input pin threshold voltages are based on TTL levels and are compatible with inputs from -5V to 20V.

● The wide scope VDD supply voltage of 4.5V to 20V can effectively drive MOSFET or GaN power device.The integrated UVLO protective function can ensure the output low level in abnormal conditions. The -5V to 24V independent input pin voltage ranges can ensure stable working in condition of over-shoot caused by stray inductance. The voltage threshold value of the input pin is compatible to the TTL level input


Application

● AC/DC and DC/DC converter

● Server and rectifier for communication equipment

● EV/HEV inverter and DC/DC convertor

● PV voltage rise and inverter

● UPS

● Motor control

● Applied to emerging broad-band gap power element driver

Characteristics

● Dual-channel independent-grid driving

● 4A peak sourcing current and sinking current

● VDD power supply with wide ranges as high as 24V

● Independent enabling input

● With two channels, it can be applied to large current driving in a parallel way

● Optional reverse input and non-reverse input

● VDD under-voltage protection

● Compatible to TTL and CMOS input level

● Low propagation delay

● 1ns typical delay matching between two channels

● Output low level during input floating

● Working temperature ranges of - 40℃ to 125℃


Applications

● Industrial Equipment
● Consumer Electronics
● Automotive Systems
● Telecommunication Devices
● Portable Gadgets


SL27523_0.png

 
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