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

HT7130-1 3V 30mA Low Dropout Voltage Regulator LDO SOT-89 is a high-precision three-terminal regulator that utilizes CMOS technology to deliver a stable 3.0V output with remarkably low power consumption. This specialized component features a low dropout voltage, which ensures consistent performance even when the input voltage resides closely above the target output. Consequently, it serves as an ideal solution for battery-powered devices where maximizing energy efficiency and extending battery life are paramount. Furthermore, the integrated SOT-89 package provides a compact footprint while maintaining sufficient thermal dissipation for low-power applications. Therefore, you can effectively utilize this LDO to provide clean, regulated power to microcontrollers and sensors in space-constrained electronic designs.

Key Features:

• Low Quiescent Current: The device draws a very small current during operation, which significantly preserves battery capacity in standby modes.
• Low Dropout Voltage: It maintains a stable 3V output even with a minimal voltage differential between input and output pins.
• High Input Voltage Tolerance: Supports input voltages up to 24V, allowing for versatile power sourcing from various battery configurations or wall adapters.
• High Accuracy Output: This regulator provides a fixed 3V output with a tight tolerance of ±3%, ensuring reliable performance for sensitive digital logic.
• CMOS Technology: Utilizes advanced CMOS architecture to achieve a superior balance between low power consumption and high voltage stability.

Technical Specifications:

• Output Voltage (V_OUT): 3.0 V
• Maximum Output Current (I_OUT): 30 mA
• Maximum Input Voltage (V_IN): 24 V
• Quiescent Current (I_Q): Typically 2.5 μA
• Dropout Voltage (V_DROP): Typically 100 mV at low loads
• Output Voltage Accuracy: ±3%
• Operating Temperature Range: −40°C to +85°C

Mechanical Specifications:

• Package Type: SOT-89 (Surface Mount Device)
• Lead Finish: Matte Tin or Lead-free plating
• Construction: Molded plastic case with a heat-sink tab
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited floor life)

Dimensions:

• Body Length: ≈ 4.50 mm
• Body Width (Including leads): ≈ 4.10 mm
• Body Height: ≈ 1.50 mm
• Lead Pitch: 1.50 mm

Pinout and Wiring:

• Pin 1 (GND): Connect this pin to the common circuit ground.
• Pin 2 (VIN): Connect to the unregulated input voltage source (up to 24V).
• Pin 3 (VOUT): Regulated 3.0V output pin; connect a 10μF capacitor between this pin and GND for stability.
• Wiring Note: However, always place input and output capacitors as close as possible to the regulator pins to minimize noise and ensure stable regulation.

Datasheet Reference:

• Download HT71xx-1 Series Datasheet

Commonly Used in:

• Battery-Powered Equipment: Providing a steady voltage for low-power handheld electronics and remote sensors.
• Voltage Keep-Alive Circuits: Maintaining power to memory or RTC modules during primary power fluctuations.
• Communication Tools: Regulating power for low-power RF modules and Bluetooth LE transceivers.

Applications:

• IoT Nodes: Powering 3V microcontrollers (like ESP8266 or MSP430) in wireless sensor networks.
• Consumer Electronics: Regulating voltage in cameras, remote controls, and portable media players.
• Industrial Automation: Serving as a local voltage regulator on control boards for logic-level signal processing.

Equivalent Models:

• MCP1700-3002E/MB: A popular 3V LDO with low quiescent current, however, check the pinout configuration as it may differ.
• XC6206P302MR: A high-accuracy CMOS LDO that offers a similar 3.0V output in an SMT package.
• HT7130 (Standard): The base version of the regulator which shares nearly identical electrical characteristics.

Package Includes:

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