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ISL9008 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 200mΩ.

The ISL9008 has a high PSRR of 65dB and output noise less than 45µV_RMS. When coupled with a no load quiescent current of 45µA (typical), and 0.5µA shutdown current, the ISL9008 is an ideal choice for portable wireless equipment.

The ISL9008 comes in several fixed voltage options with ±1.8% output voltage accuracy over temperature, line and load. Other output voltage options are available on request.

Key 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
• High PSRR: 65dB @ 1kHz
• Wide Input Voltage Capability: 2.3V to 6.5V
• Very Low Quiescent Current: 45µA
• Low Dropout Voltage: Typically 200mV @ 150mA
• Low Output Noise: Typically 45µVrms @ 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
• -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