NJM79L24UA-TE1

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The NJM79L24UA-TE1 is a three-terminal negative voltage regulator from the NJM79L00 series, manufactured by Nisshinbo Micro Devices Inc. It provides a fixed output voltage of -24 V with a guaranteed maximum output current of 100 mA. The device operates within an input voltage range of -27 V to -38 V and supports an operating temperature range of -40 °C to +85 °C. Electrical characteristics include a typical ripple rejection of 55 dB at 120 Hz and a maximum power dissipation of 350 mW in the SOT-89 package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Incorporates internal short-circuit current limiting for robust protection against output faults.
• Features built-in thermal overload protection to prevent damage during excessive heat conditions.
• Delivers stable regulation suitable for local or on-card noise elimination.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Local or on-card voltage regulation
• Replacement for Zener diode/resistor combinations
• Power pass element integration for high-current regulators

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify component authenticity through authorized channels as this part is designated for existing customers only. Confirm that the specific ordering suffix matches the required package and tape-and-reel specifications. Ensure compliance with RoHS directives and check for any recent product change notifications regarding the discontinuation timeline before finalizing procurement plans.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed negative supply rail is required for low-power applications. The SOT-89 package is appropriate for surface-mount designs where space is limited. Consider the maximum power dissipation limits relative to ambient temperature and ensure adequate heat sinking if the junction temperature approaches the upper operational limit.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This regulator belongs to the NJM79L00 series of three-terminal negative voltage regulators. Constructed using bipolar planar epitaxial technology, the series offers various fixed output voltages. The NJM79L24UA variant specifically targets applications requiring a -24 V supply line with moderate current capabilities.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

NJM79L24FA

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ

What is the recommended output capacitor type?

An electrolytic capacitor is recommended for the output to ensure stability.

How does this regulator compare to a Zener diode combination?

It offers an effective output impedance improvement of typically two orders of magnitude along with lower quiescent current and lower noise.