LT8636MPV#PBF Equivalent & Substitute Parts

Part Overview

The LT8636MPV#PBF is an active buck switching regulator IC manufactured by Analog Devices Inc., classified as a Power Management (PMIC) component. This device functions as a step-down converter with positive adjustable output, delivering 5A continuous output current across a wide input voltage range of 3.4V to 42V. The part operates with an adjustable output voltage starting at 0.97V and includes integrated synchronous rectification for improved efficiency. The LT8636MPV#PBF maintains active product status with full RoHS3 compliance and is currently in stock inventory. Substitute parts are identified to address application requirements including extended temperature range coverage, automotive-grade qualification, and alternative packaging designations.

Substiute Parts

LT8636MPV#PBF

Analog Devices Inc.In Stock: 1366LT8636MPV#PBF Datasheet

Current PartRFQ

LT8637JV#PBF

Analog Devices Inc.In Stock: 1304LT8637JV#PBF Datasheet

DirectRFQ

LT8637JV#WPBF

Analog Devices Inc.In Stock: 1535LT8637JV#WPBF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LT8636MPV#PBF is determined by strict equivalence across the following critical parameters: buck topology with positive adjustable output configuration, single output stage, input voltage range of 3.4V to 42V minimum, output voltage range of 0.97V to 42V, 5A output current rating, 200kHz to 3MHz switching frequency range, integrated synchronous rectification, 20-TFQFN Exposed Pad package, surface mount mounting type, RoHS3 compliance, and MSL 3 moisture sensitivity rating.

The identified substitute parts LT8637JV#PBF and LT8637JV#WPBF maintain full electrical and mechanical compatibility with the LT8636MPV#PBF across all specified parameters. Differences between the main part and substitutes are limited to operating temperature range and automotive qualification status, which represent application-specific enhancements rather than functional deviations.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active product status with full RoHS3 compliance and REACH unaffected designation. The LT8636MPV#PBF provides the widest operating temperature range of -55°C to 150°C junction temperature, suitable for extended temperature applications. The LT8637JV#PBF operates within -40°C to 150°C and serves as a direct functional equivalent for standard industrial applications. The LT8637JV#WPBF adds automotive-grade qualification with AEC-Q100 certification, designating it for automotive and harsh environment applications requiring enhanced reliability standards.

Selection between these parts depends on application temperature requirements and automotive qualification necessity. The LT8636MPV#PBF is appropriate for applications requiring the full -55°C minimum operating temperature. The LT8637JV#PBF addresses standard industrial requirements within the -40°C to 150°C range. The LT8637JV#WPBF is specified for automotive applications and systems requiring AEC-Q100 qualification.

Frequently Asked Questions (FAQ)

Q: Are the LT8637JV#PBF and LT8637JV#WPBF electrically identical to the LT8636MPV#PBF?

A: Yes. All three parts share identical electrical specifications including input voltage range (3.4V to 42V), output voltage range (0.97V to 42V), 5A output current, 200kHz to 3MHz switching frequency, and synchronous rectification capability. Differences are limited to operating temperature range and automotive qualification status.

Q: What is the temperature range difference between the LT8636MPV#PBF and the LT8637JV series?

A: The LT8636MPV#PBF operates from -55°C to 150°C junction temperature, while both LT8637JV#PBF and LT8637JV#WPBF operate from -40°C to 150°C. Applications requiring operation below -40°C must use the LT8636MPV#PBF.

Q: Can the LT8637JV#WPBF replace the LT8636MPV#PBF in automotive applications?

A: The LT8637JV#WPBF is qualified to AEC-Q100 automotive standards and operates within the -40°C to 150°C range. It is suitable for automotive applications that do not require operation below -40°C. Verify specific application temperature requirements before substitution.

Q: Are all three parts available in the same package?

A: Yes. All three parts use the 20-TFQFN Exposed Pad package with 20-LQFN (4x3) supplier device package designation. Pin-for-pin compatibility is maintained across all three parts.

Q: What compliance certifications apply to all three parts?

A: All three parts are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8542.39.0001. The LT8637JV#WPBF additionally carries AEC-Q100 automotive qualification.

Q: Is there an inventory difference between these parts?

A: Current inventory levels are: LT8636MPV#PBF (1289 pcs), LT8637JV#PBF (1280 pcs), and LT8637JV#WPBF (1448 pcs). All parts are listed as new original stock.

Q: What is the moisture sensitivity level for these parts?

A: All three parts carry MSL 3 (168 Hours) moisture sensitivity rating, indicating identical moisture handling and storage requirements.