0.5V低输入电压 1A 高速电压稳压器(附带外部调整软启动时间的功能)
XC6603系列产品能从0.5V的输入电压开始工作。此外,因为是超低导通电阻,最适用于需要在低电压同时高效率地输出大电流的应用。输出电压为±15mV/±20mV且精度高,内部由N沟道驱动晶体管,基准电压源,误差放大器,过电流保护电路(反馈),过热保护电路(TSD),欠压锁闭电路(输入欠压锁闭),软启动电路,相位补偿电路等构成。
输出电压由内部激光微调固定,能在0.5V~1.8V的范围内以0.1V的间隔选择产品。输出滤波电容(CL)还能对应陶瓷等低ESR电容。
在IC启动时,软启动电路给CL充电,能抑制从VIN急剧地流向VOUT的冲击电流,能抑制从VIN急剧地流向VOUT的冲击电流。通过调节SS引脚连接的电容能任意地设定软启动时间。因为冲击电流与软启动时间成相反的关系,设定延长软启动时间能抑制冲击电流。
通过CE引脚使IC成待机状态能大幅度降低消耗电流。此外,由内部开关能使CL中的充电电荷高速放电,迅速地返回VSS电平。并且,在IC内部CE引脚内置下拉电阻,在CE未连接电平时,使IC成待机状态。
特点
最大输出电流 | 1A(1.3ALimit) |
导通阻抗 | 0.15Ω@VBIAS=3.6V,VOUT=1.2V |
BIAS电压范围 | 2.5V~6.0V |
输入电压范围 | 0.5V~3.0V |
输出电压范围 | 0.5V~1.8V(0.1V间隔) |
输出电压精度 | ±0.015V@VOUT<1.2V ±0.020V@VOUT≧1.2V |
纹波抑制率 | 60dB@f=1kHz(VBIAS_PSRR) 75dB@f=1kHz(VIN_PSRR) |
消耗电流 | 100μA(VBIAS),6.5μA(VIN)@VOUT=1.2V |
待机电流 | 0.01μA(VBIAS),0.01μA(VIN) |
UVLO | 1.8V(VBIAS),0.4V(VIN) |
TSD | 150℃@检测,125℃@解除 |
保护电路 | 反馈,TSD,UVLO |
功能 | 外部调整软启动时间的功能 CE下拉电阻(高电平有效)(高电平有效) CL高速自动放电 |
工作温度范围 | -40℃~+85℃ |
输出电容 | 陶瓷电容(2.2μF) |
适应环保要求 | 与EU RoHS规格对应、无铅 |
典型电路框图
技术文件
封装
XC6603 系列型号列表
型号 | 样品 | Type | Output Voltage | Output Voltage Accuracy | Packages | EDA | 在线商店 |
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XC6603A051ER-G |
Adjustable Soft-start time with an external capacitor | 0.5V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A051MR-G |
Adjustable Soft-start time with an external capacitor | 0.5V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A061ER-G |
Adjustable Soft-start time with an external capacitor | 0.6V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A061MR-G |
Adjustable Soft-start time with an external capacitor | 0.6V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A071ER-G |
Adjustable Soft-start time with an external capacitor | 0.7V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A071MR-G |
Adjustable Soft-start time with an external capacitor | 0.7V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A081ER-G |
Adjustable Soft-start time with an external capacitor | 0.8V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A081MR-G |
Adjustable Soft-start time with an external capacitor | 0.8V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A091ER-G |
Adjustable Soft-start time with an external capacitor | 0.9V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A091MR-G |
Adjustable Soft-start time with an external capacitor | 0.9V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A101ER-G |
Adjustable Soft-start time with an external capacitor | 1.0V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A101MR-G |
Adjustable Soft-start time with an external capacitor | 1.0V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A111ER-G |
Adjustable Soft-start time with an external capacitor | 1.1V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A111MR-G |
Adjustable Soft-start time with an external capacitor | 1.1V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A121ER-G |
Adjustable Soft-start time with an external capacitor | 1.2V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A121MR-G |
Adjustable Soft-start time with an external capacitor | 1.2V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A131ER-G |
Adjustable Soft-start time with an external capacitor | 1.3V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A131MR-G |
Adjustable Soft-start time with an external capacitor | 1.3V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A141ER-G |
Adjustable Soft-start time with an external capacitor | 1.4V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A141MR-G |
Adjustable Soft-start time with an external capacitor | 1.4V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A151ER-G |
Adjustable Soft-start time with an external capacitor | 1.5V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A151MR-G |
Adjustable Soft-start time with an external capacitor | 1.5V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A161ER-G |
Adjustable Soft-start time with an external capacitor | 1.6V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A161MR-G |
Adjustable Soft-start time with an external capacitor | 1.6V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A171ER-G |
Adjustable Soft-start time with an external capacitor | 1.7V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A171MR-G |
Adjustable Soft-start time with an external capacitor | 1.7V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W | |||
XC6603A181ER-G |
Adjustable Soft-start time with an external capacitor | 1.8V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | USP-6C | |||
XC6603A181MR-G |
Adjustable Soft-start time with an external capacitor | 1.8V | ±0.015V(VOUT<1.2V),±0.020V(VOUT≧1.2V) | SOT-26W |
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