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标题:
ZCC7008B-23V 8A同步降压 替代RT6258B
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作者:
四维电子
时间:
2025-1-7 17:39
标题:
ZCC7008B-23V 8A同步降压 替代RT6258B
3.3V/8A Synchronous Step-down Converter
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The ZCC7008B operates at high efficiency over a wideoutput current load range with fixed 3.3V output voltageand capable of delivering 8A load current. lt supports awide range input voltage from 4.5V to 23V.AdaptiveConstant-On-Time (COT) control mode provides fasttransient response, eases loop stabilization, andoperates with a low-cost electrolytic capacitorZCC7008B also integrate a 100mA LDO and bypassswitch for efficiency improving.ZCC7008B provides complete enable control, under/overvoltage protect, short circuit protect, valley current limit,thermal shutdown function features.ZCC7008B provides compact solution for TCON powersystem
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Features
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4.5V ~ 23V Input Voltage Range
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Fixed 3.3V output voltage
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Supports 8-A continuous output current
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Integrated 20mQ High side FET and 10m0 low side FET3.3V LDO capable ofsourcing 100mA
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Internal +1% reference voltage at 25°C
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Integrated bypass switch, typical Ron is 1.50
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Internal 0.6ms soft-start
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Max switching frequency up to 500kHz
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fast transient response with COT control mode
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Power good indicator
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Ultrasonic Mode
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Integrated protections for Uv, Ov, OT, and OCP40°C to +150°C operating junction temperature
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AQFN3X3-12 FC Package
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Applications
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Notebook Computers
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Notebook, Tablet Computers
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General power supply for 3.3V output
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