LM2830ZSD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2830ZSD/NOPB is a high-frequency step-down DC-DC switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 3 V to 5.5 V and provides an adjustable output voltage from 600 mV to 4.5 V. The device supports a maximum output current of 1 A and utilizes a fixed switching frequency of 3 MHz. It is housed in a WSON-6 package and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 3 MHz fixed-frequency PWM controller for compact passive component sizing
• Provides adjustable output voltage regulation via external resistor feedback network
• Includes integrated soft-start functionality to limit inrush current during startup

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient voltage conversion
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries
• General-purpose low-voltage power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to confirm pinout compatibility and RoHS status. Ensure that the ordering information matches the exact package variant required for the target PCB footprint. Cross-reference the datasheet revision history for any recent changes in electrical characteristics or recommended operating conditions prior to finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting 3.3 V or 5 V rails to lower logic voltages. The 3 MHz switching frequency allows for smaller inductors compared to lower-frequency alternatives. Confirm that the load current requirements do not exceed the 1 A continuous output capability and that the input supply remains within the specified 3 V to 5.5 V operational window.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2830 family of synchronous buck converters designed for space-constrained applications. It serves as a direct replacement for older non-NOPB variants, ensuring compliance with modern environmental standards while maintaining identical functional specifications and pin configurations for legacy board upgrades.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2830ZSD/NOPB is the active NOPB version of the discontinued LM2830ZSDX. Verify pin compatibility if substituting with other LM283x series devices.