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3-A, ultra-low-dropout voltage regulator with enable

Inventory: 2,800

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Packaging information

Package | Pins TO-263 (KTT) | 5
Operating temperature range (℃) Q (-40 to 125)
Package qty | Carrier: 500 | LARGE T&R
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Quality information

RoHS Exempt
REACH Affected
Lead finish / Ball material SN
MSL rating / Peak reflow Level-3-245C-168 HR
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DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
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  • Ultra Low Dropout Voltage (210 mV @ 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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The LP3883 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: 210 mV (typ) @ 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.

Qty Price
1-99 $4.42
100-249 $3.60
250-999 $2.83
1,000+ $2.40

Alternative carriers

Part number LP3883ES-1.2/NOPB
Package qty | Carrier 45 | TUBE
Inventory 7,635
Qty | Price (USD) 1ku | $2.88