LP5990中文资料具有使能功能的 200mA、低 IQ、高精度、低压降稳压器数据手册TI规格书

描述 Description

The LP5990 regulator is designed to meet the requirements of portable, battery-powered systems providing an accurate output voltage, low noise and low quiescent current.

The LP5990 will provide a 1.8V output from a low input voltage of 2.2V and can provide 200mA to an external load.

When switched into shutdown mode via a logic signal at the enable pin, the power consumption is reduced to virtually

zero.

Fast shut-down is achieved by the push pull architecture.

The LP5990 is designed to be stable with space saving 0402 ceramic capacitors as small as 1µF, this gives an overall solution size of < 2.5mm 2.

Performance is specified for a -40°C to 125°C junction temperature range.

The device is available in micro SMD Package (0.4mm pitch) and is available with 1.2V,1.3V,1.8V,2.8V,3.0V,3.3V and 3.6V outputs.Lower voltage options down to 0.8V are available on request. For all other output voltage options please contact your local NSC sales office.

特性 Features

• Operation from 2.2V to 5.5V input
• Output voltage from 0.8V to 3.6V in 50mV increments
• 10nA Quiescent current (disabled)
• 60 μVRMSOutput voltage noise
• 500μs shut-down time
• Stable with 0402 1.0µF ceramic capacitors
• Thermal–overload and short–circuit protection
Package 4-Bump micro SMD,0.4mm pitch (lead free) 866 µm x 917 µm