LP5990 - 微功耗 200mA 低压降稳压器

LP5990是TI德州仪器公司的一款单通道LDO产品，LP5990是微功耗 200mA 低压降稳压器，本站介绍了LP5990的封装应用图解、特点和优点、功能等，并给出了与LP5990相关的TI元器件型号供参考。

LP5990 - 微功耗 200mA 低压降稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品描述

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.

产品特性

Operation from 2.2V to 5.5V input

±1% accuracy over temp range

Output voltage from 0.8V to 3.6V in 50mV increments

30 μA Quiescent current (enabled)

10nA Quiescent current (disabled)

160mV dropout at 200mA load

60 μVRMSOutput voltage noise

60 μs start-up time

500μs shut-down time

PSRR 55 dB at 10 kHz

Stable with 0402 1.0µF ceramic capacitors

Logic controlled enable

Thermal–overload and short–circuit protection

Package

4-Bump micro SMD,0.4mm pitch (lead free) 866 µm x 917 µm

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