
Adjustable RÖHM DC-DC step-down buck regulator. 6V-42V input, 1V-29.4V output, 500mA. SSOP-6 package with built-in MOSFET and protections.
The RÖHM GmbH DC-DC Switching Buck Regulator is a high-performance step-down switching voltage regulator featuring a built-in internal high-side 42V power MOSFET. It provides an adjustable output voltage ranging from 1V to 29.4V with a steady output current of 500mA.
Designed for efficiency and compact implementation, the regulator operates at a fixed switching frequency of 1.5MHz, which allows for the use of small inductors and ceramic capacitors. Phase compensation components are built-in, simplifying the circuit design and reducing the external component count.
Key Features and Protections
This regulator incorporates several protective features to ensure robust and reliable operation in demanding environments. These include internal over-current protection, under-voltage lockout (UVLO), and thermal shutdown. Additionally, it boasts a 0μA shutdown supply current, making it highly suitable for power-sensitive applications. The 45V/800mΩ internal power MOSFET and a high, wide input voltage range (6V to 42V) offer excellent versatility.
With an operating temperature range of -40°C to 105°C and a compact SSOP-6 surface-mount package, this adjustable buck regulator is ideal for space-constrained designs requiring robust power management.
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