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LP3982

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具有電源正常指示和使能功能的 300mA、高精度、低壓降穩(wěn)壓器

產(chǎn)品詳情

Rating Catalog Vin (max) (V) 6 Vin (min) (V) 2.5 Iout (max) (A) 0.3 Output options Adjustable Output, Fixed Output Vout (max) (V) 3.3 Vout (min) (V) 1.8 Fixed output options (V) 1.8, 2.5, 2.82, 3, 3.3 Noise (μVrms) 37 PSRR at 100 KHz (dB) 20 Iq (typ) (mA) 0.09 Features Enable, Power good Thermal resistance θJA (°C/W) 53 Load capacitance (min) (μF) 2.2 Regulated outputs (#) 1 Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 120 Operating temperature range (°C) -40 to 85
Rating Catalog Vin (max) (V) 6 Vin (min) (V) 2.5 Iout (max) (A) 0.3 Output options Adjustable Output, Fixed Output Vout (max) (V) 3.3 Vout (min) (V) 1.8 Fixed output options (V) 1.8, 2.5, 2.82, 3, 3.3 Noise (μVrms) 37 PSRR at 100 KHz (dB) 20 Iq (typ) (mA) 0.09 Features Enable, Power good Thermal resistance θJA (°C/W) 53 Load capacitance (min) (μF) 2.2 Regulated outputs (#) 1 Accuracy (%) 2 Dropout voltage (Vdo) (typ) (mV) 120 Operating temperature range (°C) -40 to 85
VSSOP (DGK) 8 14.7 mm2 3 x 4.9 WSON (NGM) 8 7.5 mm2 2.5 x 3
  • 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
  • Create a Custom Design Using the LP3982 With the WEBENCH? Power Designer
  • 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
  • Create a Custom Design Using the LP3982 With the WEBENCH? Power Designer

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.

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.
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* 數(shù)據(jù)表 LP3982 Micropower, Ultra-Low-Dropout, Low-Noise, 300-mA CMOS Regulator 數(shù)據(jù)表 (Rev. F) PDF | HTML 2017年 4月 25日
技術(shù)文章 Integrated power devices simplify FPGA and SoC designs PDF | HTML 2017年 1月 11日

設(shè)計和開發(fā)

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參考設(shè)計

TIDA-01172 — 適用于 MSP430 器件的帶單通道 LDO 的動態(tài)電壓縮放電源解決方案參考設(shè)計

本參考設(shè)計可節(jié)省功耗，適用于 MSP430 FRAM 器件或其他利用加電滯后功能的系統(tǒng)。TIDA-01172 采用可調(diào)節(jié) LDO 和 RC 延時時間，從而由更高的啟動電壓轉(zhuǎn)換至最終低功耗運行電壓。
設(shè)計指南: PDF
原理圖: PDF
封裝 引腳 CAD 符號、封裝和 3D 模型
VSSOP (DGK) 8 Ultra Librarian
WSON (NGM) 8 Ultra Librarian

訂購和質(zhì)量

包含信息：
  • RoHS
  • REACH
  • 器件標識
  • 引腳鍍層/焊球材料
  • MSL 等級/回流焊峰值溫度
  • MTBF/時基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續(xù)可靠性監(jiān)測
包含信息：
  • 制造廠地點
  • 封裝廠地點

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