3.3V LDO, 250mA, 400mV Dropout, 2% Acc, SO, SM Product overview: L4931CD33-TR from STMicroelectronics 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, 250mA. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3.3V, 250mA, 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-L4931CD33-TR can be used for catalog matching and distributor lookup.
Linear Voltage Regulator IC Positive Fixed 1 Output 250mA 8-SOIC
Linear Voltage Regulator IC Positive Fixed 1 Output 250mA 8-SOIC
Linear Voltage Regulator IC Positive Fixed 1 Output 250mA 8-SOIC
IC REG LINEAR 3.3V 250MA 8SO
VLDO Regulator 250mA 3.3V Inhibit SOIC8
VLDO Regulator 250mA 3.3V Inhibit SOIC8
Manufacturer: STMicroelectronics
Win Source Part Number: 002249-L4931CD33-TR
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.4V @ 250mA
Number of Regulators: 1
Output Type: Fixed
Output Current: 250mA
Family Name: L4931C
Output Voltage: 3.3V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: 8-SO
Maximum Input Voltage: 20V
Nominal Output Voltage (Min/Fixed): 3.3V
Dropout Voltage-Max: 0.82V @ 250mA
Operating Supply Current: 1mA to 6mA
PSRR: 73dB to 55dB (120Hz to 10kHz)
Control Protection Features: Over Current, Over Temperature
Alternative Parts (Cross-Reference): AMS3107S-3.3; AMS3107CS-3.3; AMS3102AS-3.3; AMS3102S-3.3;
Introduction Date: June 21, 2004
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2025
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 42 pct.
Supply and Demand Status: Balance
IC REG LINEAR 3.3V 250MA 8SO
IC REG LINEAR 3.3V 250MA 8SO
LDO Voltage Regulators 3.3V 0.25A Positive
| ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | RS Components, Ltd. | RS Components, Ltd. | Win Source Electronics | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | 776-L4931CD33-TR | 497-6640-2-ND | L4931CD33-TR | 8772687P | 1655288 | 002249-L4931CD33-TR | L4931CD33-TR | L4931CD33-TR | L4931CD33-TR |
| Product Name | 3.3V 250mA LDO Voltage Regulator IC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Voltage Regulators | Voltage Regulators | PMIC - PMIC - Voltage Regulators - Linear - L4931CD33-TR | PMIC - Voltage Regulators - Linear | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | LDO Voltage Regulators |
| Output Voltage Type | Fixed | Fixed | Fixed | Fixed | Fixed; Fixed | ||||
| Package Type | Other; SO | SOIC; Other; "8-SOIC (0.154"", 3.90mm Width)" | SOIC; Other; 8-SOIC (0.154", 3.90mm Width) | SOIC; Other; SOIC | SOIC; Other; Soic | Other; 8-SO | |||
| Output Voltage | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | 3.3 volts | ||||
| IOUT | 0.2500 amps | 0.2500 amps | 0.2500 amps | 0.2500 amps | 0.2500 amps | 0.2500 amps | |||
| Dropout Voltage | 0.4000 volts | 0.8000 volts | 0.8000 volts | 0.8200 volts |
