LSP2015BAADADJ Equivalent & Substitute Parts

Part Overview

The LSP2015BAADADJ is a linear voltage regulator IC from Diodes Incorporated designed for positive adjustable output applications. This Surface Mount device delivers 300mA output current in a compact SOT-23-5 package and is classified as Last Time Buy, indicating end-of-life status. Finding equivalent substitute parts is necessary to ensure design continuity and maintain supply chain reliability for new production runs and long-term support.

Substiute Parts

LSP2015BAADADJ

Diodes IncorporatedIn Stock: 1627LSP2015BAADADJ Datasheet

Current PartRFQ

AP7330-W5-7

Diodes IncorporatedIn Stock: 44391AP7330-W5-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LSP2015BAADADJ is determined by the following critical parameters:

Output configuration (Positive), output type (Adjustable), and current rating (300mA) form the primary substitution criteria. The input voltage maximum of 5.5V and output voltage range (0.8V to 4.3V) define the operational envelope. Operating temperature range (-40°C to 85°C) and protection features (Over Current, Over Temperature, Short Circuit) must be maintained or exceeded. Package compatibility in Surface Mount form factor is required for PCB integration.

The AP7330-W5-7 qualifies as a direct substitute based on matching all critical parameters: identical output configuration, adjustable output type, 300mA current rating, 5.5V maximum input voltage, compatible output voltage range, matching operating temperature, and equivalent protection features. Both devices are manufactured by Diodes Incorporated and share the same functional architecture.

Parameter Comparison

Engineering Selection Recommendations

The AP7330-W5-7 is the recommended substitute for the LSP2015BAADADJ. The primary justification is product status: the LSP2015BAADADJ is designated Last Time Buy, indicating discontinued production, while the AP7330-W5-7 maintains Active status with 44,348 units in stock, ensuring long-term availability.

From a compliance perspective, the AP7330-W5-7 provides superior specifications across multiple parameters. Dropout voltage is reduced from 1.2V to 0.31V at 300mA, improving efficiency in low-input-voltage applications. Quiescent current decreases from 100 µA to 78 µA, reducing standby power consumption. Power Supply Rejection Ratio (PSRR) improves from 60dB to 80dB at 1kHz, providing better noise rejection.

The AP7330-W5-7 is RoHS3 Compliant and REACH Unaffected, meeting modern environmental and regulatory requirements. Moisture Sensitivity Level (MSL) is rated 1 (Unlimited), indicating robust handling characteristics. Both devices share identical core functionality, output configuration, current rating, and protection features, making the AP7330-W5-7 a direct functional replacement with enhanced performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the AP7330-W5-7 replace the LSP2015BAADADJ in existing designs?

A: Yes. Both devices are positive adjustable linear regulators with 300mA output current, 5.5V maximum input voltage, and identical protection features. The AP7330-W5-7 offers improved dropout voltage, lower quiescent current, and better PSRR, making it functionally superior for the same application space.

Q: What is the difference in package between these parts?

A: The LSP2015BAADADJ uses SOT-23-5 packaging (Supplier Device Package), while the AP7330-W5-7 uses SOT-25 packaging. Both are Surface Mount packages with SC-74A and SOT-753 case designations. Pin compatibility and PCB footprint must be verified during design transition.

Q: Why is the LSP2015BAADADJ marked as Last Time Buy?

A: Last Time Buy status indicates the manufacturer has discontinued this product line. Existing inventory (1,572 units) represents the final available stock. The AP7330-W5-7 is the active replacement from the same manufacturer, ensuring design continuity without changing suppliers.

Q: Are there any output voltage range differences I should consider?

A: The LSP2015BAADADJ supports 0.8V to 4.3V output range, while the AP7330-W5-7 supports 1V to 4.5V. The AP7330-W5-7 provides a slightly higher minimum output voltage (1V vs 0.8V) and higher maximum output voltage (4.5V vs 4.3V). Applications requiring output below 1V must retain the LSP2015BAADADJ or select an alternative regulator.

Q: What are the control feature differences?

A: The LSP2015BAADADJ lists no control features, while the AP7330-W5-7 includes an Enable (EN) control feature. This allows the AP7330-W5-7 to be powered down externally, providing additional design flexibility for power management applications.