Single Output LDO, 100mA, Fixed(3.3V), Shutdown, 0.75% Tolerance 5-SOT-23 -40 to 125
Manufacturer: Texas Instruments
Win Source Part Number: 019772-LP2981A-33DBV
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.2V @ 100mA
Number of Regulators: 1
Output Type: Fixed
Control Features: Enable
Output Current: 100mA
Family Name: LP2981
Output Voltage: 3.3V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: SOT-23-5
Maximum Input Voltage: 16V
Nominal Output Voltage (Min/Fixed): 3.3V
Dropout Voltage-Max: 0.37V @ 100mA
Operating Supply Current: 95μA to 1.7mA
PSRR: 63dB (1kHz)
Protection Features: Over Current, Over Temperature, Short Circuit
Alternative Parts (Cross-Reference): LD2981CM32; LD2979M32TR; LD2980CM33;
Introduction Date: December 01, 2005
ECCN: EAR99
Country of Origin: China, Thailand
Estimated EOL Date: 2028
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 45 pct.
Supply and Demand Status: Balance
Fixed Positive LDO Regulator, 3.3V, 0.375V Dropout, BIPolar, PDSO5
3.3V LDO Regulator, 100mA, 16V In, 1% Acc, SOT-23 Product overview: LP2981A-33DBVR from Texas Instruments is a LDO Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include LDO, 3.3V, 100mA, 16V, SOT-23. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3.3V, 100mA, 16V, LDO Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-LP2981A-33DBVR can be used for catalog matching and distributor lookup.
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| Texas Instruments | Win Source Electronics | Rochester Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators |
| Product Number | LP2981A-33DBVR | 019772-LP2981A-33DBVR | LP2981A-33DBVR | 776-LP2981A-33DBVR | 296-17361-1-ND | LP2981A-33DBVR | LP2981A-33DBVR | LP2981A-33DBVR | LP2981A-33DBVR |
| Product Name | LP2981A-33 Single Output LDO, 100mA, Fixed(3.3V), Shutdown, 0.75% Tolerance | PMIC - PMIC - Voltage Regulators - Linear - LP2981A-33DBVR | 3.3V 100mA 16V SOT-23 LDO Voltage Regulator IC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - Voltage Regulators - Linear | LDO Voltage Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | |
| Regulator Type | Low Dropout | Low Dropout | Standard | ||||||
| Output Voltage Type | Fixed | Fixed; Fixed | Fixed | Fixed | Fixed | ||||
| Package Type | Other; SOT-23 | SOT23; Other; SOT-23-5 | SOT23; Other; SOT-23-5 | Other; SOT-23 | Other; SC-74A, SOT-753 | SOT23; Other; SC-74A, SOT-753 | |||
| Special Features | Input Overcurrent Protection; Thermal Shutdown Protection; Fast Transient Response,Overcurrent Protection,Thermal Shutdown | Input Overcurrent Protection; Enable | Input Overcurrent Protection | Enable | |||||
| Output Voltage | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts |
