LP3990 - 用于数字应用的 150mA 线性电压稳压器

LP3990是TI德州仪器公司的一款单通道LDO产品，LP3990是用于数字应用的 150mA 线性电压稳压器，本站介绍了LP3990的封装应用图解、特点和优点、功能等，并给出了与LP3990相关的TI元器件型号供参考。

LP3990 - 用于数字应用的 150mA 线性电压稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

1% Voltage Accuracy at Room Temperature
Stable with Ceramic Capacitor
Logic Controlled Enable
No Noise Bypass Capacitor Required
Thermal-Overload and Short-Circuit Protection
Input Voltage Range, 2 V to 6 V
Output Voltage Range, 0.8 V to 3.3 V
Output Current, 150 mA
Output Stable - Capacitors, 1 µF
Virtually Zero IQ (Disabled), < 10 nA
Very Low IQ (Enabled), 43 µA
Low Output Noise, 150 µVRMS
PSRR, 55 dB at 1 kHz
Fast Start-Up, 105 µs

产品应用

Cellular Handsets
Hand-Held Information Appliances

产品说明

The LP3990 regulator is designed to meet the requirements of portable, battery-powered systems providing an accurate output voltage, low-noise, and low-quiescent current. The LP3990 will provide a 0.8-V output from the low input voltage of 2 V at up to a 150-mA load current. When switched into shutdown mode via a logic signal at the enable pin (EN), the power consumption is reduced to virtually zero.

The LP3990 is designed to be stable with space-saving ceramic capacitors with values as low as 1 µF.

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

For output voltages other than 0.8 V, 1.2 V, 1.35 V, 1.5 V, 1.8 V, 2.5 V, 2.8 V, or 3.3 V, please contact the Texas Instruments sales office.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LP3990	DSBGA (4)	1.324 mm x 1.045 mm (MAX)
	WSON (6)	2.90 mm x 1.60 mm
	SOT-23 (5)	3.00 mm x 3.00 mm

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