LP3982 - 微功耗、超低压降、低噪声 300mA CMOS 稳压器

LP3982是TI德州仪器公司的一款单通道LDO产品，LP3982是微功耗、超低压降、低噪声 300mA CMOS 稳压器，本站介绍了LP3982的封装应用图解、特点和优点、功能等，并给出了与LP3982相关的TI元器件型号供参考。

LP3982 - 微功耗、超低压降、低噪声 300mA CMOS 稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器

产品特性

2.5-V to 6-V Input Range
MAX8860 Pin, Package, and Specification Compatible
300-mA Output Current
120-mV Typical Dropout at 300 mA
90-μA Typical Quiescent Current
1-nA Typical Shutdown Mode
60-dB Typical PSRR
120-μs Typical Turnon Time
Stable with Small Ceramic Output Capacitors
37-μVRMS Output Voltage Noise (10 Hz to 100 kHz)
Overtemperature/Overcurrent Protection
±2% Output Voltage Tolerance

产品应用

Wireless Handsets
DSP Core Power
Battery Powered Electronics
Portable Information Appliances

产品说明

The LP3982 low-dropout (LDO) CMOS linear regulator is available in 1.8-V, 2.5-V, 2.82-V, 3-V, 3.3-V, and adjustable versions. They deliver 300 mA of output current. Packaged in an 8-pin VSSOP, the LP3982 is pin- and package-compatible with Maxim's MAX8860. The LM3982 is also available in the small footprint WSON package.

The LP3982 suits battery-powered applications because of its shutdown mode (1 nA typical), low quiescent current (90 μA typical), and LDO voltage (120 mV typical). The low dropout voltage allows for more utilization of a battery’s available energy by operating closer to its end-of-life voltage. The LP3982 device's PMOS output transistor consumes relatively no drive current compared to PNP LDO regulators.

This PMOS regulator is stable with small ceramic capacitive loads (2.2 μF typical).

These devices also include regulation fault detection, a bandgap voltage reference, constant current limiting, and thermal-overload protection.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LP3982	WSON (8)	2.50 mm × 3.00 mm
LP3982	VSSOP (8)	3.00 mm × 3.00 mm

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