S-19251C12H-M5T1U4

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

The S-19251C12H-M5T1U4 is an automotive-grade linear voltage regulator from ABLIC, designed for high-density electronic installations. It delivers a fixed 1.2 V output with a maximum current capacity of 150 mA. The device operates within a wide input voltage range of 1.5 V to 5.5 V and maintains functionality across an extended temperature spectrum from -40°C to +105°C. Key electrical characteristics include a typical quiescent current of 20 μA during operation and a shutdown current of 0.1 μA. The unit features a ripple rejection ratio of 70 dB at 1.0 kHz and ensures output voltage accuracy within ±2.5% over the specified temperature range.

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

• Integrates overload current protection and thermal shutdown circuits to safeguard against excessive heat and current surges.
• Supports low-power applications through ultra-low consumption current in both active and sleep modes.
• Includes built-in ON/OFF control circuitry to extend battery life in portable or vehicle-mounted systems.

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

• Automotive instrument clusters
• Vehicle body electronics
• Car navigation systems

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

Verify component authenticity by cross-referencing the manufacturer part number with official ABLIC documentation. Confirm that the specific suffix aligns with required packaging and automotive qualification standards. Ensure all technical specifications match project requirements before finalizing acquisition orders.

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

Select this component when designing automotive systems requiring stable 1.2 V power delivery under varying load conditions. Consider its compact SOT-23-5 package for space-constrained layouts. Evaluate the low quiescent current benefit for battery-sensitive applications and verify thermal management needs given the 105°C operating limit.

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

This model belongs to the S-19251 series, a family of CMOS-based positive voltage regulators optimized for automotive environments. The series emphasizes high precision and low power consumption, utilizing advanced manufacturing techniques to achieve reliable performance in demanding vehicular applications.

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

Consult ABLIC directly for qualified substitute part numbers. Verify compatibility regarding pin configuration, thermal characteristics, and automotive certification standards before implementing any alternative components.