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LP38852MR-ADJ Equivalent & Substitute Parts Reference
Part Overview
The LP38852MR-ADJ is a linear voltage regulator IC from Texas Instruments, categorized under Power Management Integrated Circuits (PMIC). It features a positive adjustable output, single regulator configuration, and supports up to 1.5A output current. The device is packaged in an 8-PowerSOIC (3.90mm width) with PowerPad features. The current part status is "Obsolete," which necessitates finding compatible alternative models to maintain product continuity and compliance in existing designs.
Substiute Parts
Key Parameters
| Parameter | LP38852MR-ADJ |
|---|---|
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 1.8V |
| Voltage Dropout (Max) | 0.18V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 300 µA |
| Current - Supply (Max) | 9 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) |
| Control Features | Enable, Soft Start |
| Protection Features | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO PowerPad |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0060 |
| Part Status | Obsolete |
Substitute Part Grouping Explanation
Substitution for LP38852MR-ADJ is determined strictly by matching the following key electrical and mechanical parameters: output configuration (positive), output type (adjustable), regulator count (1), input and output voltage specifications (max/min), maximum output current, quiescent and supply currents, dropout voltage at a specified output current, PSRR values, supported control and protection features, operating temperature range, mounting type (surface mount), package type and dimensions, and compliance features (RoHS, REACH, MSL, ECCN, HTSUS). Only products meeting these exact provided specifications are considered suitable substitutes.
Parameter Comparison
| Parameter | LP38852MR-ADJ | LP38852MR-ADJ/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Description | IC REG LIN POS ADJ 1.5A 8SO | IC REG LIN POS ADJ 1.5A 8SO |
| Output Configuration | Positive | Positive |
| Output Type | Adjustable | Adjustable |
| Number of Regulators | 1 | 1 |
| Voltage - Input (Max) | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V | 0.8V |
| Voltage - Output (Max) | 1.8V | 1.8V |
| Voltage Dropout (Max) | 0.18V @ 1.5A | 0.18V @ 1.5A |
| Current - Output | 1.5A | 1.5A |
| Current - Quiescent (Iq) | 300 µA | 300 µA |
| Current - Supply (Max) | 9 mA | 9 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) | 80dB ~ 65dB (120Hz ~ 1kHz) |
| Control Features | Enable, Soft Start | Enable, Soft Start |
| Protection Features | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) | 8-PowerSOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO PowerPad | 8-SO PowerPad |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8542.39.0060 | 8542.39.0001 |
| Part Status | Obsolete | Active |
| Packaging | Tube | Tube |
Engineering Selection Recommendations
Selection between LP38852MR-ADJ and LP38852MR-ADJ/NOPB is determined by product status and compliance requirements. LP38852MR-ADJ is obsolete and does not meet RoHS requirements. LP38852MR-ADJ/NOPB remains active and is ROHS3 compliant, maintaining identical electrical and mechanical specifications for direct substitution in applicable designs requiring current regulatory compliance or ongoing support.
Frequently Asked Questions (FAQ)
Q1: What criteria must substitute voltage regulators meet for compatibility with LP38852MR-ADJ?
A1: Substitute parts must match output configuration, output type, regulator count, electrical specifications (input/output voltage, output current, dropout voltage, quiescent and supply currents), PSRR performance, supported control and protection features, temperature ratings, mounting type, and package dimensions.
Q2: Can LP38852MR-ADJ/NOPB directly replace LP38852MR-ADJ without modifications?
A2: Yes, LP38852MR-ADJ/NOPB matches all provided key electrical and mechanical parameters and shares identical package and pinout characteristics.
Q3: Are there compliance differences between the two part numbers?
A3: LP38852MR-ADJ is RoHS non-compliant, while LP38852MR-ADJ/NOPB is ROHS3 compliant. Both are unaffected by REACH and share MSL ratings.
Q4: Does packaging type influence substitution selection?
A4: Both LP38852MR-ADJ and LP38852MR-ADJ/NOPB are supplied in tube packaging, and no packaging differences exist in the provided data affecting substitution.
Q5: Is there a difference in operational or thermal performance between the two parts?
A5: No, all specified electrical and environmental parameters, including output ranges and operating temperature, are identical.
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