LP3893ESX-1.2/NOPB
LDO Regulator Pos 1.2V 3A 6-Pin(5+Tab) DDPAK T/R
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Part Number : LP3893ESX-1.2/NOPB
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Package/Case : TO-263 (KTT)-5
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Brands : Texas Instruments
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Components Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Datesheet : LP3893ESX-1.2/NOPB DataSheet (PDF)
Overview of LP3893ESX-1.2/NOPB
The LP3893 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 and DDPAK/TO-263 packages.
Dropout Voltage: 270 mV (typ) at 3A 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.
Key Features
- Ultra Low Dropout Voltage (270 mV at 3A 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 Packages
- Over Temperature/Over Current Protection
- −40°C to +125°C Junction Temperature Range
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Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Output options | Fixed Output | Iout (max) (A) | 3 |
Vin (max) (V) | 5.5 | Vin (min) (V) | 1.47 |
Vout (max) (V) | 1.2 | Vout (min) (V) | 1.2 |
Fixed output options (V) | 1.2 | Noise (µVrms) | 150 |
Iq (typ) (mA) | 4 | Thermal resistance θJA (°C/W) | 40 |
Rating | Catalog | Load capacitance (min) (µF) | 33 |
Regulated outputs (#) | 1 | Features | Enable |
Accuracy (%) | 2 | PSRR at 100 KHz (dB) | 40 |
Dropout voltage (Vdo) (typ) (mV) | 270 | Operating temperature range (°C) | -40 to 125 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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