MP3801DH-LF-P EL Lamp Driver Equivalent & Substitute Parts

Part Overview

The MP3801DH-LF-P is an EL Lamp Driver Controller manufactured by Monolithic Power Systems Inc., designed for applications requiring 50kHz to 200kHz switching frequency operation. This part operates across a 2.5V to 5.5V supply voltage range in an 8-MSOP package with exposed pad. The MP3801DH-LF-P carries a "Not For New Designs" status, making identification of functionally equivalent alternatives essential for ongoing production and new design initiatives.

Key Parameters

Parameter	MP3801DH-LF-P Value
Manufacturer	Monolithic Power Systems Inc.
Type	EL Lamp Driver
Frequency Range	50kHz ~ 200kHz
Voltage - Supply	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MP3801DH-LF-P is determined by alignment across the following critical parameters:

Primary Substitution Criteria:

EL Lamp Driver functional type
Frequency range compatibility (50kHz ~ 200kHz operation)
Supply voltage range overlap (2.5V ~ 5.5V)
Package compatibility (8-MSOP or equivalent pinout)
Operating temperature range (-40°C ~ 85°C minimum)
RoHS3 compliance and MSL rating

Substitution Logic: Parts are grouped into two categories based on frequency alignment. The primary substitute MP3802DH-LF-P maintains identical frequency, voltage, and package specifications with Active product status. Secondary substitutes from Microchip Technology (HV833MG-G, HV830LG-G, HV823LG-G) operate within overlapping frequency ranges but may require application-level verification due to frequency band differences. Parts with non-overlapping frequency ranges (HV809LG-G, HV825LG-G, HV825MG-G, HV857K7-G, HV857LK7-G, HV857LMG-G) are listed for reference but require design review before implementation.

Parameter Comparison

Parameter	MP3801DH-LF-P	MP3802DH-LF-P	HV833MG-G	HV830LG-G	HV823LG-G	HV825LG-G	HV825MG-G	HV809LG-G	HV857K7-G	HV857LK7-G	HV857LMG-G
Manufacturer	MPS	MPS	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip
Type	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver	EL Lamp Driver
Frequency Range	50kHz ~ 200kHz	50kHz ~ 200kHz	55kHz ~ 75kHz	55kHz ~ 75kHz	50kHz ~ 70kHz	30kHz	30kHz	320Hz ~ 480Hz, 800Hz ~ 1.2kHz	1kHz	1kHz	1kHz
Voltage - Supply	2.5V ~ 5.5V	2.5V ~ 5.5V	1.8V ~ 6.5V	2V ~ 9.5V	2V ~ 9.5V	1V ~ 1.6V	1V ~ 1.6V	50V ~ 200V	1.8V ~ 5V	1.8V ~ 5V	1.8V ~ 5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C	-25°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-MSOP (0.118", 3.00mm)	8-MSOP (0.118", 3.00mm)	8-MSOP (0.118", 3.00mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-SOIC (0.154", 3.90mm)	8-MSOP (0.118", 3.00mm)	8-SOIC (0.154", 3.90mm)	8-DFN (3x3)	8-DFN (3x3)	8-MSOP (0.118", 3.00mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Not For New Designs	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)

Engineering Selection Recommendations

Tier 1 - Direct Replacement: MP3802DH-LF-P is the recommended primary substitute. It maintains identical frequency range (50kHz ~ 200kHz), supply voltage (2.5V ~ 5.5V), package format (8-MSOP), and operating temperature specifications (-40°C ~ 85°C). Both parts carry ROHS3 compliance and MSL 1 rating. MP3802DH-LF-P holds Active product status with 781 units in stock.

Tier 2 - Frequency-Compatible Alternatives: HV833MG-G, HV830LG-G, and HV823LG-G from Microchip Technology operate within overlapping frequency bands (55kHz ~ 75kHz and 50kHz ~ 70kHz respectively). These parts maintain 8-MSOP or 8-SOIC package options and ROHS3 compliance. HV833MG-G offers the closest frequency alignment (55kHz ~ 75kHz) with extended temperature range (-40°C ~ 85°C) and 16,085 units in stock. HV830LG-G and HV823LG-G operate at reduced temperature range (-25°C ~ 85°C).

Tier 3 - Reference Only: HV825LG-G, HV825MG-G, HV809LG-G, HV857K7-G, HV857LK7-G, and HV857LMG-G operate at significantly different frequency ranges (30kHz, 320Hz ~ 1.2kHz, and 1kHz respectively) and are listed for reference. These parts require full application-level design review and are not direct substitutes for 50kHz ~ 200kHz operation.

Frequently Asked Questions (FAQ)

Q: Can MP3802DH-LF-P directly replace MP3801DH-LF-P without PCB modification? A: Yes. MP3802DH-LF-P maintains identical pinout, package format (8-MSOP), frequency range (50kHz ~ 200kHz), supply voltage (2.5V ~ 5.5V), and operating temperature range (-40°C ~ 85°C). No PCB layout changes are required.

Q: Why is MP3801DH-LF-P marked "Not For New Designs"? A: This status indicates the part is in mature phase with no active development. MP3802DH-LF-P is the recommended alternative for new designs, offering identical electrical specifications with Active product status.

Q: Can Microchip HV833MG-G substitute for MP3801DH-LF-P in existing applications? A: HV833MG-G operates at 55kHz ~ 75kHz, which overlaps with the MP3801DH-LF-P range but does not cover the full 50kHz ~ 200kHz spectrum. Application-level verification is required to confirm frequency compatibility with your specific circuit design.

Q: What is the difference between 8-MSOP and 8-SOIC packages? A: 8-MSOP measures 0.118" (3.00mm) width, while 8-SOIC measures 0.154" (3.90mm) width. These are not pin-compatible and require different PCB footprints. Verify your board layout before selecting a substitute with a different package type.

Q: Are all listed substitutes ROHS3 compliant? A: Yes. All substitute parts listed carry ROHS3 compliance and MSL 1 rating (except HV857LMG-G which carries MSL 2). All parts are suitable for RoHS-regulated applications.

Q: What does MSL 1 (Unlimited) mean? A: MSL 1 indicates unlimited shelf life without moisture baking requirements. Parts can be stored indefinitely under standard conditions. HV857LMG-G carries MSL 2, requiring moisture baking after one year of storage.

Q: Can I use HV825LG-G or HV825MG-G as substitutes? A: No. These parts operate at 30kHz fixed frequency, which falls outside the MP3801DH-LF-P operating range of 50kHz ~ 200kHz. They are not suitable for direct substitution.

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