MP3360DG-LF-Z LED Driver IC Equivalent & Substitute Parts

Part Overview

The MP3360DG-LF-Z is a LED Driver IC manufactured by Monolithic Power Systems, classified as a Power Management PMIC. This device functions as a 1-output DC DC regulator with flyback topology, designed for camera flash applications. It operates with a 2.5V to 6V supply voltage and delivers 60V output in a compact 10-QFN (2x2) surface mount package.

The MP3360DG-LF-Z carries a "Not For New Designs" product status, indicating it is no longer recommended for new circuit development. This status necessitates identification of functionally equivalent or superior substitute components that maintain compatibility with existing designs or provide enhanced performance characteristics for new implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	MP3360DG-LF-Z
Manufacturer	Monolithic Power Systems
Category	Power Management (PMIC)
Type	DC DC Regulator
Topology	Flyback
Number of Outputs	1
Voltage - Supply (Min)	2.5V
Voltage - Supply (Max)	6V
Voltage - Output	60V
Internal Switch(s)	Yes
Applications	Camera Flash
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	10-TFQFN
Mounting Type	Surface Mount
Product Status	Not For New Designs
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MP3360DG-LF-Z is determined by the following critical parameters:

Primary Substitution Criteria:

Topology: Flyback or Step-Up (Boost) DC DC regulators capable of high voltage output generation
Supply Voltage Range: Minimum 2.5V input capability
Output Voltage: 60V or higher output capability
Application Suitability: Camera flash or high-voltage LED driver functionality
Internal Switch: Integrated switching element required
Package Compatibility: Surface mount packages suitable for PCB integration

Secondary Compatibility Factors:

Operating Temperature Range: -40°C minimum to 85°C or higher
RoHS3 Compliance: Environmental and regulatory alignment
Moisture Sensitivity: MSL 1 or MSL 3 acceptable for most applications
Product Status: Active or Obsolete status noted for design planning

The substitute parts listed below satisfy one or more of these criteria, enabling functional replacement or design migration scenarios.

Parameter Comparison

Parameter	MP3360DG-LF-Z	LM3648TTYFFR	LM3508TL/NOPB	LM3530UME-40B/NOPB	MAX31840ATA+	A6211GLJTR-T
Manufacturer	Monolithic Power Systems	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc./Maxim Integrated	Allegro MicroSystems
Type	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator	DC DC Regulator
Topology	Flyback	Step-Up (Boost)	Step-Up (Boost)	Step-Up (Boost)	Step-Up (Boost)	Step-Down (Buck)
Number of Outputs	1	1	1	1	1	1
Voltage - Supply (Min)	2.5V	2.5V	2.7V	2.7V	6.5V	6V
Voltage - Supply (Max)	6V	5.5V	5.5V	5.5V	26V	48V
Voltage - Output	60V	-	17.5V	40V	-	-
Internal Switch(s)	Yes	Yes	Yes	Yes	Yes	Yes
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-30°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TJ)	-40°C ~ 105°C (TA)
Package / Case	10-TFQFN	12-UFBGA, DSBGA	9-WFBGA, DSBGA	12-XFBGA, DSBGA	8-WDFN Exposed Pad	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Not For New Designs	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

For Camera Flash Applications (Primary Use Case):

The LM3648TTYFFR is the most direct functional equivalent. It shares the same supply voltage range (2.5V to 5.5V), operates at 4MHz switching frequency, and is explicitly rated for camera flash applications. Product status is Active, ensuring long-term availability and design support. This device delivers 1.5A flash current and maintains ROHS3 compliance with MSL 1 rating.

For High-Voltage Output Requirements:

The LM3530UME-40B/NOPB provides 40V output capability with a 12-DSBGA package. While output voltage is lower than the MP3360DG-LF-Z, it operates within the same supply range (2.7V to 5.5V) and maintains Active product status. This option suits applications where 40V output is acceptable.

For Extended Temperature Range:

The MAX31840ATA+ operates from -40°C to 125°C (junction temperature), exceeding the MP3360DG-LF-Z temperature range. However, supply voltage minimum is 6.5V, requiring circuit redesign for lower input voltage applications. Product status is Active with ROHS3 compliance.

For Buck Topology Alternative:

The A6211GLJTR-T employs Step-Down (Buck) topology with 3A output current capability. Supply voltage range is 6V to 48V, suitable for higher input voltage systems. Product status is Active with ROHS3 compliance, though MSL rating is 3 (168 Hours).

All recommended substitutes maintain ROHS3 compliance and are currently in Active product status, ensuring regulatory alignment and design continuity.

Frequently Asked Questions (FAQ)

Q: Can the LM3648TTYFFR directly replace the MP3360DG-LF-Z in existing designs?

A: The LM3648TTYFFR shares the same supply voltage range (2.5V to 5.5V) and camera flash application focus. However, package differences (12-DSBGA versus 10-TFQFN) require PCB layout modification. Output voltage specifications differ, necessitating circuit validation before implementation.

Q: What is the primary difference between flyback and boost topologies in these devices?

A: The MP3360DG-LF-Z uses flyback topology, which employs transformer-based energy transfer for high-voltage generation. Boost (Step-Up) topologies like the LM3648TTYFFR and LM3530UME-40B/NOPB use inductor-based energy storage. Both achieve voltage step-up, but circuit design and component requirements differ significantly.

Q: Why do some substitute parts have lower output voltage ratings than the MP3360DG-LF-Z?

A: The MP3360DG-LF-Z is specifically designed for 60V output using flyback topology. Most substitute parts employ boost topology with lower output voltage capability. Selection depends on actual application voltage requirements rather than maximum rated specifications.

Q: Is the MSL 3 rating of the A6211GLJTR-T acceptable for camera flash applications?

A: MSL 3 (168 Hours) indicates moisture sensitivity requiring controlled storage and handling. For camera flash applications with standard manufacturing processes, MSL 3 is acceptable. However, high-humidity environments or extended storage periods may require additional precautions compared to MSL 1 devices.

Q: What package considerations apply when substituting the MP3360DG-LF-Z?

A: The MP3360DG-LF-Z uses 10-TFQFN (2x2) package. Substitute parts employ different packages: LM3648TTYFFR (12-DSBGA), LM3508TL/NOPB (9-DSBGA), LM3530UME-40B/NOPB (12-DSBGA), MAX31840ATA+ (8-TDFN), and A6211GLJTR-T (8-SOIC). Each package has different pin configurations, requiring complete PCB redesign and schematic validation.

Q: Are all substitute parts suitable for new design implementations?

A: Yes. All listed substitute parts carry Active product status, indicating manufacturer support and long-term availability. The MP3360DG-LF-Z "Not For New Designs" status makes these Active alternatives the appropriate choice for new circuit development.

Q: How do operating temperature ranges affect substitute selection?

A: The MP3360DG-LF-Z operates -40°C to 85°C. Most substitutes maintain this range or extend it. The MAX31840ATA+ extends to 125°C (junction), suitable for high-temperature environments. Selection depends on specific application thermal requirements.

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