Richtek

RT9073A-18GQZ

The Richtek RT9073A-18GQZ is a high-efficiency synchronous buck-boost converter with an integrated power MOSFET. It is designed to provide a stable output voltage from input voltages that are higher or lower than the output voltage. The device is available in a compact QFN-16 (3x3mm) package.

Key Features:

1. Input voltage range: 2.5V to 5.5V
2. Output voltage range: 1.2V to 5.5V
3. Output current up to 1A
4. Synchronous buck-boost topology for high efficiency
5. Integrated power MOSFET for reduced external component count
6. Wide operating temperature range: -40°C to 125°C
7. Low quiescent current: 2.5μA in sleep mode
8. Programmable soft-start
9. Over-current protection (OCP)
10. Over-voltage protection (OVP)
11. Under-voltage lockout (UVLO)
12. Thermal shutdown protection

Applications:

1. Portable devices: smartphones, tablets, wearable devices
2. IoT devices: sensors, smart home devices
3. Medical devices: hearing aids, blood glucose meters
4. Industrial equipment: motor controllers, power supplies
5. Automotive electronics: infotainment systems, LED lighting

The RT9073A-18GQZ is a versatile and efficient solution for applications requiring a stable output voltage from a varying input voltage. Its compact size and integrated power MOSFET make it an ideal choice for space-constrained applications.