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FEATURES
• 3A Low-Dropout Voltage Regulator
TPS758xx is designed to have fast transient
• Available in 1.5V, 1.8V, 2.5V, and 3.3V response for large load current changes.
Fixed-Output and Adjustable Versions
Because the PMOS device behaves as a low-value
• Dropout Voltage Typically 150mV at 3A
resistor, the dropout voltage is very low (typically
(TPS75833)
150mV at an output current of 3A for the TPS75833)
• VREF and Pinout Compatible with MIC29302 and is directly proportional to the output current.
(TPS758A01) Additionally, since the PMOS pass element is a
voltage-driven device, the quiescent current is very
• Low 125μA Typical Quiescent Current
low and independent of output loading (typically
• Fast Transient Response
125μA over the full range of output current). These
• 3% Tolerance Over Specified Conditions for two key specifications yield a significant
Fixed-Output Versions improvement in operating life for battery-powered
systems.
• Available in 5-Pin TO-220 and TO-263
Surface-Mount Packages The device is enabled when EN (enable) is
• Thermal Shutdown Protection connected to a high voltage level (> 2V). Applying a
low voltage level (< 0.7V) to EN shuts down the
regulator, reducing the quiescent current to less than
1μA at TJ = +25°C.
TPS75833KTTR
TPS75833KTTRTPS75833KTTRTPS75833KTTR
特性
•3A低压差稳压器
TPS758xx被设计为具有快速瞬态
•适用于大负载电流变化的1.5V、1.8V、2.5V和3.3V响应。
固定输出和可调版本
因为PMOS器件的性能很低
•3A的压降电压通常为150mV
电阻器,压降电压非常低(通常
(TPS75833)
TPS75833的输出电流为3A时的150mV)
•与MIC29302兼容的VREF和Pinout与输出电流成正比。
(TPS758A01)另外,因为PMOS通道元素是a
电压驱动装置,静止电流非常大
•低125μa典型的静态电流
低和独立的输出负载(通常
•快速瞬态响应
125μa全方位的输出电流)。这些
对两个关键规范的指定条件的3%公差产生显著影响
固定输出版本提高了电池供电的使用寿命
系统。
•5针to 220和to 263
当EN (enable)启动时,设备就启用了
•连接高压电平(>2v)的热停机保护。应用一个
低压电平(< 0.7V)到EN关闭
调整器,使静止电流小于
1μa TJ = + 25°C。
低压差稳压器
SMD/SMT
TO-263-5
3.3 V
3 A
1 Output
Positive
5.5 V
2.8 V
Fixed
- 40 C to + 125 C