The HT7344 is a low-dropout (LDO) linear regulator from Holtek. It's designed to provide a stable and regulated output voltage from a higher input voltage, with minimal voltage drop across the regulator. This makes it ideal for battery-powered applications and other situations where input voltage may vary.
Applications:
- Battery-powered devices
- Portable electronics
- Microcontroller power supplies
- Wireless communication devices
- Power management circuits
Features:
- Low dropout voltage: Typically 170mV at 300mA
- High output voltage accuracy: ±2%
- Low quiescent current: Typically 4μA
- Over-current protection
- Short-circuit protection
- Thermal shutdown protection
- Stable with ceramic capacitors
- Available in SOT-89 and SOT-23 packages
Benefits:
- Extended battery life: The low quiescent current minimizes power consumption, extending the battery life of portable devices.
- Stable output voltage: Provides a stable and regulated output voltage, ensuring reliable operation of downstream circuits.
- Robust protection: Built-in protection features prevent damage from over-current, short-circuit, and thermal overload conditions.
- Small size: The compact package options make it suitable for space-constrained applications.
- Stable with ceramic capacitors: Allows for the use of smaller and more cost-effective ceramic capacitors.
Additional Details:
The HT7344 is available in various fixed output voltage options, ranging from 1.8V to 5.0V. The low dropout voltage ensures that the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage. The regulator's internal circuitry includes a bandgap reference, error amplifier, and output driver. It is designed to operate over a wide temperature range. It is an ideal choice for a wide range of applications that require a stable and efficient power supply.
