AP7343DQ-15FDZW-7

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

The AP7343DQ-15FDZW-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.5V output with a guaranteed maximum current of 300mA. The device operates within an input voltage range of 1.7V to 5.25V and features high power supply rejection ratio performance. It includes integrated short-circuit protection, thermal shutdown, and an auto-discharge function for the output. The component is housed in a W-DFN2020-6 (SWP) Type A1 package.

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

• Automotive compliant design qualified to AEC-Q100 standards
• Integrated N-channel auto-discharge resistor for rapid output voltage decay
• High ripple rejection capability suitable for noise-sensitive applications
• Low quiescent current consumption for efficient power management

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

• Infotainment power supplies
• Automotive RF supplies
• Cameras
• Automotive POL in ADAS
• Automotive wireless communications

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

Verify that the specific suffix FDZW corresponds to the W-DFN2020-6 (SWP) Type A1 package configuration required for your PCB layout. Confirm the DQ designation indicates the inclusion of the internal auto-discharge feature, as this affects circuit behavior during shutdown states. Ensure compatibility with IATF 16949 certified manufacturing processes if strict automotive quality documentation is mandated for your production line.

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

Select this variant when a fixed 1.5V rail is required alongside automatic output discharge capabilities. The W-DFN2020-6 package offers a compact footprint ideal for dense layouts. Consider the 300mA current limit and 1.7V minimum input voltage when designing the power stage. This part is distinct from non-discharge versions due to its internal pull-down mechanism upon enable deactivation.

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

This component belongs to the AP7343Q family of low dropout regulators designed specifically for automotive environments. The series supports various fixed output voltages ranging from 0.9V to 3.6V. Differentiation within the family relies on package type and the presence or absence of the output discharge feature, allowing designers to optimize for space and power-down requirements.

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

AP7343Q-15FDZW-7