HT7333-LDO 3.3V Linear Voltage Regulators TO-92

HT7333-LDO 3.3V Linear Voltage Regulator TO-92 is a high-efficiency Low Dropout (LDO) regulator that delivers a stable 3.3V output from higher input voltages. Housed in a compact TO-92 package, it is ideal for battery-powered and compact electronics where reliable voltage regulation is required with minimal power dissipation.

Key Features:

• Fixed 3.3V Output: Regulates voltage accurately for 3.3V applications.
• Low Dropout Voltage: Works efficiently even with low input-output voltage difference.
• TO-92 Package: Compact and suitable for breadboard or through-hole mounting.
• Built-in Current Limiting: Protects against short circuits or overcurrent conditions.
• Thermal Shutdown: Automatically disables the regulator on overheating.

Technical Specifications:

• Output Voltage: 3.3V ±2%
• Input Voltage Range: 3.7V to 12V
• Maximum Output Current: 250mA
• Dropout Voltage: 120mV @ 60mA
• Quiescent Current: 4μA typical
• Output Noise: 60μVrms
• Operating Temperature Range: -40°C to +85°C

Mechanical Specifications:

• Package Type: TO-92
• Pin Count: 3 (VIN, GND, VOUT)
• Lead Pitch: 1.27mm (standard TO-92 spacing)

Mounting Options:

• Through-Hole Mounting: Compatible with standard PCBs and breadboards.
• Heat Dissipation: Requires minimal heatsinking for low loads.

Schematic Diagram, Connection, Wiring and Pinout:

• Pin 1 (VIN): Input voltage (3.7V to 12V)
• Pin 2 (GND): Ground
• Pin 3 (VOUT): Regulated 3.3V output
• Usage: Add 1μF input and output capacitors for stability

Datasheet and Documentation:

• Download HT7333 LDO Voltage Regulator Datasheet (PDF)

Applications:

• Arduino and ESP Boards: Stable 3.3V power supply for microcontrollers.
• Battery Powered Devices: Low quiescent current extends battery life.
• IoT Sensors: Consistent voltage for sensitive sensor modules.
• Wearable Electronics: Small package fits compact form factors.
• Low-Power Systems: High efficiency and minimal heat output.

Equivalent Models:

• AMS1117-3.3: Common alternative with higher current capability
• LD1117-3.3: Compatible pinout and performance
• MIC5205-3.3: SMD option with low dropout

Package Includes:

• 1 x HT7333-LDO 3.3V Linear Voltage Regulator TO-92