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線性與低壓差 (LDO) 穩壓器

LP3892

現行

具啟用功能的 1.5-A 超低壓降電壓穩壓器

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產品規格表

LP3892

現行
產品規格表 立即訂購

產品詳細資料

Output options Fixed Output Iout (max) (A) 1.5 Vin (max) (V) 5.5 Vin (min) (V) 1.34 Vout (max) (V) 1.8 Vout (min) (V) 1.2 Fixed output options (V) 1.2, 1.5, 1.8 Noise (µVrms) 150 Iq (typ) (mA) 4 Thermal resistance θJA (°C/W) 40 Rating Catalog Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 PSRR at 100 KHz (dB) 30 Dropout voltage (Vdo) (typ) (mV) 140 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 1.5 Vin (max) (V) 5.5 Vin (min) (V) 1.34 Vout (max) (V) 1.8 Vout (min) (V) 1.2 Fixed output options (V) 1.2, 1.5, 1.8 Noise (µVrms) 150 Iq (typ) (mA) 4 Thermal resistance θJA (°C/W) 40 Rating Catalog Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable Accuracy (%) 2 PSRR at 100 KHz (dB) 30 Dropout voltage (Vdo) (typ) (mV) 140 Operating temperature range (°C) -40 to 125
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 TO-263 (KTT) 5 154.8384 mm² 10.16 x 15.24
  • Ultra Low Dropout Voltage (140 mV at 1.5A typ)
  • Low Ground Pin Current
  • Load Regulation of 0.04%/A
  • 60 nA Typical Quiescent Current in Shutdown
  • 1.5% Output Accuracy (25°C)
  • TO-220, DDPAK/TO-263 and SO PowerPAD-8 Packages
  • Over Temperature/Over Current Protection
  • −40°C to +125°C Junction Temperature Range

All trademarks are the property of their respective owners.

  • Ultra Low Dropout Voltage (140 mV at 1.5A typ)
  • Low Ground Pin Current
  • Load Regulation of 0.04%/A
  • 60 nA Typical Quiescent Current in Shutdown
  • 1.5% Output Accuracy (25°C)
  • TO-220, DDPAK/TO-263 and SO PowerPAD-8 Packages
  • Over Temperature/Over Current Protection
  • −40°C to +125°C Junction Temperature Range

All trademarks are the property of their respective owners.

The LP3892 is a high current, fast response regulator which can maintain output voltage regulation with minimum input to output voltage drop. Fabricated on a CMOS process, the device operates from two input voltages: Vbias provides voltage to drive the gate of the N-MOS power transistor, while Vin is the input voltage which supplies power to the load. The use of an external bias rail allows the part to operate from ultra low Vin voltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.

The fast transient response of these devices makes them suitable for use in powering DSP, Microcontroller Core voltages and Switch Mode Power Supply post regulators. The parts are available in TO-220, DDPAK/TO-263 and SO PowerPAD-8 packages.

Dropout Voltage:140mV (typ) at 1.5A load current.

Ground Pin Current: 3 mA (typ) at full load.

Shutdown Current: 60 nA (typ) when S/D pin is low.

Precision Output Voltage: 1.5% room temperature accuracy.

The LP3892 is a high current, fast response regulator which can maintain output voltage regulation with minimum input to output voltage drop. Fabricated on a CMOS process, the device operates from two input voltages: Vbias provides voltage to drive the gate of the N-MOS power transistor, while Vin is the input voltage which supplies power to the load. The use of an external bias rail allows the part to operate from ultra low Vin voltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.

The fast transient response of these devices makes them suitable for use in powering DSP, Microcontroller Core voltages and Switch Mode Power Supply post regulators. The parts are available in TO-220, DDPAK/TO-263 and SO PowerPAD-8 packages.

Dropout Voltage:140mV (typ) at 1.5A load current.

Ground Pin Current: 3 mA (typ) at full load.

Shutdown Current: 60 nA (typ) when S/D pin is low.

Precision Output Voltage: 1.5% room temperature accuracy.
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* Data sheet LP3892 1.5A Fast-Response Ultra Low Dropout Linear Regulators datasheet (Rev. D) 2013年 4月 2日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

MLTLDO2EVM-037 — 適用於 DCY、DDA 和 KVU 封裝的通用 LDO 線性電壓穩壓器評估模組

MLTLDO2EVM-037 多重封裝低壓差 (LDO) 評估模組 (EVM) 可讓設計工程師評估多種常用線性穩壓器封裝的運作情形及性能，以利在自己的電路應用中使用。此 EVM 配置包含 DDA、3 針腳和 5 針腳 KVU，以及用於工程師焊接和評估其零件的 DCY 封裝板上配置。

使用指南: PDF
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參考設計

PMP10613 — Xilinx Zynq 7000 系列 (XC7Z045) 20W 參考設計

The PMP10613 reference design provides all the power supply rails necessary to power Xilinx® Zynq® 7000 series (XC7Z045)  FPGA.   This design uses several LMZ3 series modules, LDOs, and a DDR termination regulator to provide all the necessary rails to power the FPGA.  It (...)
Test report: PDF
電路圖: PDF
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HSOIC (DDA) 8 檢視選項
TO-263 (KTT) 5 檢視選項
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