Manufacturer: STMicroelectronics
Win Source Part Number: 002273-L4957AD3.3TR
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Number of Regulators: 1
Output Type: Fixed
Output Current: 5A
Output Voltage: 3.3V
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: 0°C to 125°C
Case / Package: D2PAK
Maximum Input Voltage: 14V
Nominal Output Voltage (Min/Fixed): 3.3V
Operating Supply Current: 2mA
PSRR: 75dB (120Hz)
Control Protection Features: Over Temperature, Short Circuit
Popularity: Medium
Fake Threat In the Open Market: 37 pct.
Supply and Demand Status: Balance
3.3V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO3, D2PAK-3 Product overview: L4957AD3.3TR 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, 0.6V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3.3V, 0.6V, 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-L4957AD3.3TR can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Lingto Electronic Limited | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology 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 |
| Product Number | 002273-L4957AD3.3TR | 776-L4957AD3.3TR | 497-6153-2-ND | L4957AD3.3TR | L4957AD3.3TR | L4957AD3.3TR |
| Product Name | PMIC - PMIC - Voltage Regulators - Linear - L4957AD3.3TR | 3.3V 0.6V LDO Voltage Regulator IC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - Voltage Regulators - Linear | Voltage Regulators - Linear | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear |
| Regulator Type | Low Dropout | Standard | ||||
| Output Polarity | Positive | Positive | ||||
| Output Voltage Type | Fixed; Fixed | Fixed | Fixed | Fixed; Fixed | ||
| Package Type | Other; D2PAK | Other; TO-263-3 | TO-263; Other; TO-263-3, D2PAK (2 Leads + Tab), TO-263AB | TO-263; Other; TO-263-3, D²Pak (2 Leads + Tab), TO-263AB | ||
| Life Cycle Stage | PhaseOut; Obsolete(EOL) | Removed; Obsolete |
