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XC6423 电压调整器 双路

XC6423 电压调整器 双路
带防止突入电流防止功能 300mA 高速双路LDO的小型电压调整器NEW

电路框图

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概要

The XC6423 series is an ultra small CMOS dual LDO regulator, with 300mA output current capability. The series features high accuracy of 1% output voltages, high ripple rejection and low dropout voltage.
The series is available in LGA-6A01 (1.2mm × 1.2mm × h0.4mm) which features ultra small and high heat dissipation. The series is suited for high density board installation.
Each regulator can be turned off independently to be in stand-by mode by controlling EN pin. In this state, the electric charge at the output capacitor (CL) is discharged via the internal auto-discharge switch, and as a result the VOUT voltage quickly returns to the VSS level.
The output stabilization capacitor (CL) is also compatible with low ESR ceramic capacitors.
The high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response
performance.
Over current protection circuit and over heat protection circuit are integrated, these circuits start working when output current reaches current limit or junction temperature reaches temperature limit.
The two regulators are completely isolated so that a cross talk during load fluctuations is minimized.

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特点

输出电压1.2V~3.6V 0.05V 间隔
高精度±1% (VOUT≧2.00V)
±20mV (VOUT≦1.95V)
输入输出电压差95mV@IOUT=150mA (VOUT=3.0V)
低消耗电流90μA / ch (TYP.)
待机电流Less than 0.1μA
高纹波抑制75dB@1kHz
EN端子功能Active High
CL Auto Discharge
保护电路电流限制 450mA (TYP.)
短路保护 125mA (TYP.)
突入电流防止功能
过热关断
低ESR 电容陶瓷电容器1.0μF
工作温度范围-40℃~+85℃
封装LGA-6A01
适应环保要求与EU RoHS规格对应, 无铅

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封装

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