1A Low Dropout Regulator for 5V to 3.3V Conversion 3-DDPAK/TO-263 -40 to 125
3.3V LDO Regulator, 1A, TO-263, Surface Mount Product overview: LM3940IS-3.3 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, SMD, 3.3V, 1A. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, SMD, 3.3V, 1A, 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-LM3940IS-3.3 can be used for catalog matching and distributor lookup.
IC REG LIN 3.3V 1A DDPAK/TO263-3
Manufacturer: Texas Instruments
Win Source Part Number: 082756-LM3940IS-3.3
Packaging: Tube/Rail
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.5V @ 1A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1A
Output Voltage: 3.3V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: DDPAK/TO-263-3
Maximum Input Voltage: 7.5V
Nominal Output Voltage (Min/Fixed): 3.3V
Dropout Voltage-Max: 0.2V @ 100mA
Operating Supply Current: 15mA
Control Protection Features: Over Temperature, Short Circuit
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 57 pct.
Supply and Demand Status: Limited
Application Field: Used in Power Management, Computers & Computer Peripherals, Signal Processing
Linear Voltage Regulator IC Positive Fixed 1 Output 1A DDPAK/TO-263-3
IC REG LIN 3.3V 1A DDPAK/TO263-3
Linear Voltage Regulator IC Positive Fixed 1 Output 1A DDPAK/TO-263-3
IC REG LIN 3.3V 1A DDPAK/TO263-3
LDO Voltage Regulators 1A Low Dropout Regulator for 5V to 3.3V Conversion 3-DDPAK/TO-263 -40 to 125
| Texas Instruments | ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | LM3940IS-3.3 | 776-LM3940IS-3.3 | LM3940IS-3.3 | 082756-LM3940IS-3.3 | LM3940IS-3.3-ND | LM3940IS-3.3 | LM3940IS-3.3 | LM3940IS-3.3 | LM3940IS-3.3 |
| Product Name | LM3940 1A Low Dropout Regulator for 5V to 3.3V Conversion | SMD 3.3V 1A LDO Voltage Regulator IC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - PMIC - Voltage Regulators - Linear - LM3940IS-3.3 | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | LDO Voltage Regulators |
| Output Voltage Type | Fixed | Fixed | Fixed | Fixed; Fixed | Fixed | Fixed; Fixed | |||
| Package Type | Other; DDPAK/TO-263,SOT-223,TO-220 | Other; TO-263 | TO-263; Other; TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | DPAK; TO-263; Other; DDPAK/TO-263-3 | TO-263; Other; TO-263-4, D2PAK (3 Leads + Tab), TO-263AA | TO-263; Other; TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | |||
| Special Features | Input Overcurrent Protection; Thermal Shutdown Protection; Overcurrent Protection,Thermal Shutdown | Over Temperature, Short Circuit | |||||||
| Output Voltage | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 to ? volts | ||
| IOUT | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps | 1 amps |
