Manufacturer: STMicroelectronics
Win Source Part Number: 1052575-LK115D33-TR
Packaging: Reel - TR
Mounting: SMD (SMT)
Number of Regulators: 1
Output Type: Fixed
Control Features: Enable
Output Current: 100mA
Family Name: LK115D33
Categories: Integrated Circuits
Status: Obsolete(EOL)
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: 0.17V @ 60mA (Typ)
Operating Supply Current: 500μA to 3mA
PSRR: 79dB to 57dB (120Hz to 10kHz)
Protection Features: Over Current, Over Temperature
Alternative Parts (Cross-Reference): LP2985-33IDBVT; TS5204CQ33 RF; LP2985-33IDBVR; TS5204CX33 RF;
Introduction Date: September 15, 1998
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: Obsolete / End of life
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 37 pct.
Supply and Demand Status: Limited
Quantity per package: 2,500
3.3V LDO Regulator, 100mA, 170mV Dropout, SO, SMT Product overview: LK115D33-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, 100mA. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 3.3V, 100mA, 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-LK115D33-TR can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators |
| Product Number | 1052575-LK115D33-TR | 776-LK115D33-TR | 497-1540-2-ND | LK115D33-TR | LK115D33-TR |
| Product Name | PMIC - PMIC - Voltage Regulators - Linear - LK115D33-TR | 3.3V 100mA LDO Voltage Regulator IC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | PMIC - Voltage Regulators - Linear | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear |
| Regulator Type | Low Dropout | Standard | |||
| Output Voltage Type | Fixed; Fixed | Fixed | Fixed | ||
| Package Type | Other; 8-SO | Other; SO | SOIC; Other; "8-SOIC (0.154"", 3.90mm Width)" | SOIC | |
| Life Cycle Stage | PhaseOut; Obsolete(EOL) | ||||
| Special Features | Input Overcurrent Protection; Enable | Input Overcurrent Protection | Enable |