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LM5002SD Equivalent & Substitute Parts
Part Overview
The LM5002SD is a multi-configuration adjustable switching regulator IC from Texas Instruments designed for boost, flyback, forward converter, and SEPIC topologies. It supports positive, isolation-capable output configurations with adjustable voltage output ranging from 3.1V to 76V and a maximum switch current of 400mA. The device operates across an input voltage range of 3.1V to 75V with a switching frequency range of 50kHz to 1.5MHz.
The LM5002SD carries an obsolete product status. Locating equivalent or substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and access components with active manufacturing support and improved compliance certifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Function | Step-Up, Step-Up/Step-Down |
| Topology | Boost, Flyback, Forward Converter, SEPIC |
| Output Configuration | Positive, Isolation Capable |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.1V |
| Voltage - Input (Max) | 75V |
| Voltage - Output (Min/Fixed) | 3.1V |
| Voltage - Output (Max) | 76V (Switch) |
| Current - Output | 400mA (Switch) |
| Frequency - Switching | 50kHz ~ 1.5MHz |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) |
Substitute Part Grouping Explanation
Substitution of the LM5002SD is determined by strict equivalence across the following critical parameters:
- Topology support: Boost, Flyback, Forward Converter, SEPIC
- Output configuration: Positive, Isolation Capable
- Adjustable output voltage range: 3.1V to 76V
- Input voltage range: 3.1V to 75V
- Switch current rating: 400mA
- Switching frequency range: 50kHz to 1.5MHz
- Package type: 8-WDFN Exposed Pad (8-WSON 4x4)
- Operating temperature range: -40°C to 125°C (TJ)
- Mounting type: Surface Mount
The LM5002SD/NOPB is identified as a direct substitute based on identical electrical specifications, mechanical compatibility, and package configuration. The primary distinction is product status and compliance certification.
Parameter Comparison
| Parameter | LM5002SD | LM5002SD/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Topology | Boost, Flyback, Forward Converter, SEPIC | Boost, Flyback, Forward Converter, SEPIC |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 3.1V | 3.1V |
| Voltage - Input (Max) | 75V | 75V |
| Voltage - Output (Min/Fixed) | 3.1V | 3.1V |
| Voltage - Output (Max) | 76V (Switch) | 76V (Switch) |
| Current - Output | 400mA (Switch) | 400mA (Switch) |
| Frequency - Switching | 50kHz ~ 1.5MHz | 50kHz ~ 1.5MHz |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) | 8-WSON (4x4) |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8542.39.0001 | 8542.39.0001 |
Engineering Selection Recommendations
The LM5002SD/NOPB is the direct substitute for the LM5002SD. Both parts are manufactured by Texas Instruments and share identical electrical and mechanical specifications. The LM5002SD/NOPB offers the following advantages:
- Active product status ensures ongoing manufacturing support and availability
- ROHS3 compliance meets current environmental and regulatory requirements
- Higher inventory availability (34,123 pcs vs. 3,200 pcs) supports supply chain continuity
Selection of the LM5002SD/NOPB is appropriate for new designs and redesigns of existing applications. The obsolete status of the LM5002SD makes the LM5002SD/NOPB the preferred choice for long-term design reliability and regulatory compliance.
Frequently Asked Questions (FAQ)
Q: Can the LM5002SD/NOPB be used as a direct replacement for the LM5002SD?
A: Yes. The LM5002SD/NOPB is electrically and mechanically identical to the LM5002SD. All electrical parameters, including input/output voltage ranges, current ratings, switching frequency, and operating temperature, are identical. The package type and pin configuration are the same.
Q: What is the difference between LM5002SD and LM5002SD/NOPB?
A: The primary differences are product status and compliance certification. The LM5002SD is obsolete, while the LM5002SD/NOPB is active. The LM5002SD/NOPB is ROHS3 compliant, whereas the LM5002SD is RoHS non-compliant. The "/NOPB" suffix indicates lead-free and halogen-free manufacturing.
Q: Are there any package or pinout differences?
A: No. Both parts use the 8-WDFN Exposed Pad package (8-WSON 4x4) with identical pinout and mechanical dimensions. Surface mount compatibility is maintained.
Q: What topologies does the LM5002SD/NOPB support?
A: The LM5002SD/NOPB supports boost, flyback, forward converter, and SEPIC topologies with adjustable positive output voltage and isolation capability.
Q: What is the maximum input and output voltage range?
A: Input voltage range is 3.1V to 75V. Output voltage range is 3.1V to 76V (switch), with adjustable configuration.
Q: What is the maximum output current?
A: The maximum switch current is 400mA.
Q: Is the LM5002SD/NOPB suitable for high-temperature applications?
A: Yes. The operating temperature range is -40°C to 125°C (TJ), supporting both industrial and extended temperature applications.
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