AP7375-36W5-7

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

The AP7375-36W5-7 is a fixed-output low-dropout linear regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 3.6V with a maximum load current capability of 300mA. The device supports a wide input voltage range from 3V to 45V and features an enable pin that accepts up to 45V. Key electrical characteristics include a typical quiescent current of 2.1µA, high power supply rejection ratio of 85dB at 1kHz, and excellent line and load regulation. The component is housed in a SOT25 (W5) surface-mount package.

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

• Wide input voltage range supporting up to 45V
• Integrated enable pin for power control
• High power supply rejection ratio for noise-sensitive applications
• Built-in thermal shutdown and short-circuit protection

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

• Battery-powered equipment
• Smoke detectors and sensors
• Microcontroller applications
• Home appliances

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

Verify the specific ordering suffix W5 to confirm the SOT25 package type. Ensure the EN pin configuration matches the system logic levels, as it requires a high-level input above 1V to activate. Confirm compliance requirements such as RoHS and halogen-free status if applicable to the target market. Cross-reference the datasheet revision to ensure all latest electrical specifications are considered during design validation.

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

Select this component when a stable 3.6V rail is required from a high-voltage source up to 45V. The low quiescent current makes it suitable for battery-operated devices where standby power consumption must be minimized. Verify that the input capacitor meets the minimum requirement of 1µF and the output capacitor is at least 1µF ceramic X7R or X5R for stability under varying load conditions.

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

This part belongs to the AP7375 series of ultra-low-dropout regulators designed for high-voltage inputs. The series offers multiple fixed output voltages including 1.8V, 3.0V, 3.3V, 3.6V, and 5.0V. It is available in various packages such as SOT23, SOT89, SOT25, and U-DFN2020-6. An automotive-compliant variant, AP7375Q, is also available under a separate datasheet.

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

AP7375-36WR-7