Datasheets
LP3961EMP-1.8/NOPB by:

800-mA, high-accuracy, low-dropout voltage regulator with enable 5-SOT-223 -40 to 125

Part Details for LP3961EMP-1.8/NOPB by Texas Instruments

Results Overview of LP3961EMP-1.8/NOPB by Texas Instruments

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

LP3961EMP-1.8/NOPB Information

LP3961EMP-1.8/NOPB by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for LP3961EMP-1.8/NOPB

Part # Distributor Description Stock Price Buy
DISTI # 3122255
Farnell LDO, FIXED, 1.8V, 0.8A, SOT-223-5 RoHS: Compliant Min Qty: 1 Lead time: 53 Weeks, 2 Days Container: Cut Tape 4
  • 1 $3.0469
  • 10 $2.4615
  • 25 $2.3151
  • 50 $2.2353
  • 100 $2.1555
  • 250 $2.0889
  • 500 $2.0357
  • 1,000 $1.9825
$1.9825 / $3.0469 Buy Now
DISTI # 3122255RL
Farnell LDO, FIXED, 1.8V, 0.8A, SOT-223-5 RoHS: Compliant Min Qty: 100 Lead time: 53 Weeks, 2 Days Container: Reel 4
  • 100 $2.1555
  • 250 $2.0889
  • 500 $2.0357
  • 1,000 $1.9825
$1.9825 / $2.1555 Buy Now
DISTI # LP3961EMP-1.8/NOPBCT-ND
DigiKey IC REG LIN 1.8V 800MA SOT-223-5 Min Qty: 1 Lead time: 12 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 2768
In Stock
  • 1 $3.4300
  • 10 $2.5810
  • 25 $2.3680
  • 100 $2.1337
  • 250 $2.0221
  • 500 $1.9548
  • 1,000 $1.8995
  • 2,000 $1.8539
  • 3,000 $1.8311
  • 5,000 $1.8058
$1.8058 / $3.4300 Buy Now
DISTI # 926-LP3961EMP1.8NOPB
Mouser Electronics LDO Voltage Regulators 800MA FAST ULTRA LDO LINEAR REGULATOR A 926-LP3961EMPX18NOPB RoHS: Compliant 2056
  • 1 $2.7800
  • 10 $2.2600
  • 25 $2.1100
  • 100 $1.9800
  • 250 $1.9100
  • 500 $1.8600
  • 1,000 $1.8100
  • 2,000 $1.7700
$1.7700 / $2.7800 Buy Now
DISTI # V72:2272_07294618
Arrow Electronics LDO Regulator Pos 1.8V 0.8A 5-Pin(4+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Cut Strips Americas - 3345
  • 1 $1.9310
  • 10 $1.9020
  • 25 $1.8730
  • 100 $1.8430
  • 250 $1.8140
  • 500 $1.7850
  • 1,000 $1.7550
  • 3,000 $1.7260
$1.7260 / $1.9310 Buy Now
DISTI # 88943600
Verical LDO Regulator Pos 1.8V 0.8A 5-Pin(4+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 4 Package Multiple: 1 Americas - 3345
  • 4 $1.9310
$1.9310 Buy Now

Part Details for LP3961EMP-1.8/NOPB

LP3961EMP-1.8/NOPB CAD Models

LP3961EMP-1.8/NOPB Part Data Attributes

LP3961EMP-1.8/NOPB Texas Instruments
Buy Now Datasheet
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LP3961EMP-1.8/NOPB Texas Instruments 800-mA, high-accuracy, low-dropout voltage regulator with enable 5-SOT-223 -40 to 125
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOT-223
Package Description GREEN, SOT-223, 5 PIN
Pin Count 5
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Adjustability FIXED
Dropout Voltage1-Max 0.7 V
Dropout Voltage1-Nom 0.24 V
Input Voltage Absolute-Max 7.5 V
Input Voltage-Max 7 V
Input Voltage-Min 2.5 V
JESD-30 Code R-PDSO-G5
JESD-609 Code e3
Length 6.5 mm
Load Regulation-Max 0.00144%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 5
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current1-Max 0.8 A
Output Voltage1-Max 1.854 V
Output Voltage1-Min 1.746 V
Output Voltage1-Nom 1.8 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOT-223-4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1.8 mm
Surface Mount YES
Technology CMOS
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.5 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 3%
Width 3.56 mm

LP3961EMP-1.8/NOPB Related Parts

LP3961EMP-1.8/NOPB Frequently Asked Questions (FAQ)

  • The maximum input voltage is 15V, but it's recommended to keep it below 12V for optimal performance and to prevent damage to the device.

  • To ensure stability, make sure to follow the recommended PCB layout guidelines, use a sufficient output capacitor (at least 10uF), and add a 1uF capacitor between the VIN and GND pins.

  • The minimum input voltage is 2.5V, but it's recommended to keep it above 3V for optimal performance.

  • The LP3961EMP-1.8/NOPB is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at higher temperatures to prevent overheating and ensure reliability.

  • The output voltage is fixed at 1.8V, but you can adjust it by using an external resistor divider network. Refer to the datasheet for the calculation formula and example circuits.

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