ISL9003A is a high performance single low noise, high PSRR LDO that delivers a continuous 150mA of load current. It has a low standby current and is stable with 1µF of MLCC output capacitance with an ESR of up to 200m.

Features

• High Performance LDO with 150mA Continuous Output

• Excellent Transient Response to Large Current Steps

• Excellent Load Regulation:

<0.1 voltage change across full range of load current

• Very High PSRR: >90dB at 1kHz

• Wide Input Voltage Capability: 2.3V to 6.5V

• Extremely Low Quiescent Current: 31µA

• Low Dropout Voltage: Typically 200mV at 150mA

• Low Output Noise: Typically 20µVRMS at 100µA (1.5V)

• Stable with 1µF to 4.7µF Ceramic Capacitors

• Shutdown Pin Turns Off LDO with 1µA (max) Standby

Current

• Soft-start Limits Input Current Surge During Enable

• Current Limit and Overheat Protection

• ±1.8 Accuracy Over all Operating Conditions

• 5 Ld SC-70 Package or 6 Ld µTDFN Package

• -40°C to +85°C Operating Temperature Range

• Pb-Free (RoHS compliant)

Applications

• PDAs, Cell Phones and Smart Phones

• Portable Instruments, MP3 Players

• Handheld Devices Including Medical Handhelds

ISL9003A属于集成电路（IC） > 线性 + 开关稳压器。瑞萨科技有限公司制造生产的ISL9003A稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。