LDI8119-3.3EN Linear Voltage Regulator SOT-23-5

The LDI8119-3.3EN is a low-dropout linear voltage regulator providing fixed 3.3V output in a compact SOT-23-5 package. Designed for battery-powered applications, it delivers up to 150mA output current with excellent line and load regulation, making it ideal for portable electronics, IoT devices, and embedded systems requiring stable voltage regulation.

Key Features of LDI8119-3.3EN Linear Voltage Regulator:

• Fixed 3.3V Output: Precision-regulated output voltage (±2% accuracy)
• Low Dropout Voltage: 300mV typical at 100mA load current
• Ultra-Low Quiescent Current: Just 1μA in shutdown mode
• High Output Current: Delivers up to 150mA continuous current
• Thermal Protection: Built-in over-temperature shutdown

Technical Specifications of LDI8119-3.3EN Linear Voltage Regulator:

• Output Voltage: 3.3V ±2%
• Input Voltage Range: 2.5V to 6.0V
• Output Current: 150mA (maximum)
• Dropout Voltage: 300mV typical at 100mA
• Quiescent Current: 45μA typical
• Operating Temperature Range: -40°C to +85°C

Mechanical Specifications of LDI8119-3.3EN Linear Voltage Regulator:

• Package Type: SOT-23-5 (Small Outline Transistor)
• Lead Material: Matte Sn plating
• Moisture Sensitivity Level (MSL): Level 1
• RoHS Compliance: Fully compliant

Dimensions:

• Package Length: 2.9mm ± 0.1mm
• Package Width: 1.6mm ± 0.1mm
• Package Height: 1.2mm max
• Lead Pitch: 0.95mm

Mounting Options:

• Surface Mount: Designed for SMD PCB assembly
• Prototyping Boards: Compatible with SOT-23-5 adapter boards

Schematic Diagram, Connection, Wiring and Pinout of LDI8119-3.3EN Regulator:

• Pin 1 (VIN): Input voltage (2.5V to 6.0V)
• Pin 2 (GND): Ground connection
• Pin 3 (EN): Enable pin (active high)
• Pin 4 (NC): No connection
• Pin 5 (VOUT): 3.3V regulated output

Datasheet of LDI8119-3.3EN Linear Voltage Regulator:

• Download LDI8119-3.3EN Datasheet (PDF)

Applications of LDI8119-3.3EN Linear Voltage Regulator:

• Battery-Powered Devices: Portable electronics and wireless sensors
• Microcontroller Power: Voltage regulation for MCUs and peripherals
• IoT Modules: Power management for connected devices
• Consumer Electronics: Handheld devices and accessories
• Industrial Controls: Sensor interfaces and low-power circuits

Equivalent of LDI8119-3.3EN Linear Voltage Regulator:

• MCP1700-3302E: Microchip 3.3V 250mA LDO regulator
• AP2112K-3.3: Diodes Inc. 3.3V 600mA regulator
• XC6206P332MR: Torex 3.3V 200mA ultra-low LDO
• RT9193-33GB: Richtek 3.3V 300mA regulator

Package Includes:

• 1 x LDI8119-3.3EN Linear Voltage Regulator (SOT-23-5)