HT7130-1 3V 30mA Low Dropout Voltage Regulator LDO SOT-89

HT7130-1 3V 30mA Low Dropout Voltage Regulator (SOT-89) delivers a compact and reliable solution for low-current power regulation. Designers integrate it into portable electronics, battery-powered devices, and embedded systems that require a stable 3V output with low dropout characteristics.

Key Features:

• Fixed 3V Output: Provides regulated 3.0 V output for digital and analog circuits.
• Low Dropout: Maintains regulation with minimal input-to-output voltage difference.
• Low Quiescent Current: Consumes only microamps in standby, extending battery life.
• Current Limiting: Protects against overcurrent conditions.
• Thermal Shutdown: Ensures safe operation under excessive heat.
• SOT-89 Package: Compact surface-mount form factor for high-density boards.

Technical Specifications:

• Output Voltage: 3.0 V (fixed)
• Output Current: Up to 30 mA
• Dropout Voltage: Typically ~60 mV at 1 mA, ~380 mV at 30 mA
• Input Voltage Range: Up to 24 V maximum
• Quiescent Current: Typically 4 µA
• Line Regulation: ~0.2%/V (typical)
• Load Regulation: ~45 mV (at full load)
• Operating Temperature Range: −40 °C to +85 °C

Mechanical Specifications:

• Package Type: SOT-89 (surface-mount)
• Leads: Tin-plated for reliable soldering
• Body Material: Molded epoxy resin
• Mounting: Surface-mount compatible with reflow soldering

Dimensions:

• Package Footprint: ~4.5 mm × 2.5 mm
• Lead Pitch: ~1.5 mm
• Height: ~1.5 mm

Pinout and Wiring:

• Pin 1: Ground (GND)
• Pin 2: Output (VOUT = 3V regulated)
• Pin 3: Input (VIN)
• Tab: Connected to Ground for thermal dissipation
• Wiring Note: Place input and output capacitors close to pins for stability.

Datasheet Reference:

• Access the official Holtek HT7130-1 datasheet for complete specifications, test circuits, and application guidelines.

Applications:

• Battery-Powered Devices: Extend runtime with low quiescent current regulation.
• Portable Electronics: Provide stable 3V supply for small gadgets and IoT devices.
• Embedded Controllers: Deliver regulated voltage for microcontrollers and sensors.
• Consumer Electronics: Power auxiliary circuits in cameras, toys, and handheld products.

Equivalent Models:

• AMS1117-3.3: Popular alternative with higher current capacity but larger dropout.
• HT7133-1: 3.3V variant of the same regulator family.
• MIC5205-3.0: Low-noise LDO regulator with similar 3V output.

Package Includes:

• 1 x HT7130-1 3V 30mA Low Dropout Voltage Regulator (SOT-89)