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0.8V输入5V 2.5A输出-ZCC2003A
Description
The is a high efficiency, high power
density, current mode, fully integrated boost
converter with output disconnect, which can
start up from an input voltage as low as 0.8V
and convert up to 5.5V output voltage. During
shutdown, it can disconnect the output from
input.
This converter integrates two 100mΩ power
switches for high converter efficiency and can
deliver >1A output current at 5V output with
2.5V input supply. When the output is shorted,
the enters hiccup protection mode
and recover automatically when the output
short is removed.
The also includes input under
voltage lockout, output over-voltage protection,
cycle-by-cycle over-current protection, short
circuit protection and thermal shutdown to
prevent damage in the event of output overload.
The is available in a small 6-pin
SOT23 package.
Features
• Input Voltage Range: 0.8V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• 2.5-A Peak Switching Current Limit
• Two 100-mΩ(LS)/100-mΩ(HS) MOSFETs
• 25uA Quiescent Current
• Internal Compensation and Soft-start
• True Load Disconnect from Input
• Low Shutdown Current < 1µA
• OVP, OCP, SCP and OTP Protection
• High Efficiency over Whole Load Range
• SOT23-6 Package
Applications
• Single Cell Battery Powered Products
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