LP3470IM5-3.08 Equivalent & Substitute Parts

Part Overview

The LP3470IM5-3.08 is a single-channel power supply supervisor IC manufactured by Texas Instruments, designed for power management applications requiring voltage threshold monitoring and reset signal generation. This component operates as a simple reset/power-on reset device with an open drain or open collector output configuration.

The LP3470IM5-3.08 carries an Obsolete product status, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement. Alternative part numbers within the LP3470 series provide functional equivalence while offering improved availability and updated product lifecycle status.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage Threshold	3.08V
Output Configuration	Open Drain or Open Collector
Reset Logic	Active Low
Package Type	SC-74A, SOT-753 (SOT-23-5)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the LP3470IM5-3.08 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Voltage threshold: 3.08V
Number of voltages monitored: 1 channel
Output type: Open Drain or Open Collector
Reset logic: Active Low
Package: SC-74A, SOT-753 (SOT-23-5)
Mounting type: Surface Mount
Manufacturer: Texas Instruments
Base product series: LP3470

Allowable Variations:

Packaging format (Digi-Reel, Cut Tape, Tape & Reel)
Reset timeout specifications (1ms Minimum vs. 619ms Typical)
Operating temperature range (-40°C ~ 85°C vs. -40°C ~ 125°C)
Product lifecycle status (Obsolete, Not For New Designs, Active)

The identified substitute parts maintain full functional and mechanical compatibility while differing only in packaging configuration and thermal operating specifications.

Parameter Comparison

Parameter	LP3470IM5-3.08	LP3470IM5-3.08/NOPB	LP3470A308DBVR	LP3470IM5X-3.08/NOPB
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Voltage Threshold	3.08V	3.08V	3.08V	3.08V
Number of Channels	1	1	1	1
Output Type	Open Drain or Open Collector	Open Drain or Open Collector	Open Drain or Open Collector	Open Drain or Open Collector
Reset Logic	Active Low	Active Low	Active Low	Active Low
Reset Timeout	1ms Minimum	1ms Minimum	619ms Typical	1ms Minimum
Operating Temperature	-40°C ~ 85°C (TJ)	-40°C ~ 85°C (TJ)	-40°C ~ 125°C (TJ)	-40°C ~ 85°C (TJ)
Package	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Packaging Format	Digi-Reel	Cut Tape & Digi-Reel	Tape & Reel	Tape & Reel
Product Status	Obsolete	Not For New Designs	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Active Production and New Designs: LP3470A308DBVR is the recommended selection. This part carries Active product status from Texas Instruments, ensuring long-term availability and manufacturing support. The extended operating temperature range (-40°C ~ 125°C) provides thermal margin for demanding applications. Tape & Reel packaging supports high-volume manufacturing processes.

For Existing Inventory Replacement: LP3470IM5-3.08/NOPB provides direct functional equivalence with the original part. This variant maintains identical electrical specifications and reset timeout characteristics while offering improved availability through multiple packaging options (Cut Tape and Digi-Reel). Product status is Not For New Designs, suitable for sustaining production of existing designs.

For Parametric Equivalence: LP3470IM5X-3.08/NOPB maintains full electrical and mechanical compatibility. This part is functionally interchangeable with the original LP3470IM5-3.08 across all critical parameters. Tape & Reel packaging format accommodates automated assembly workflows.

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard PCB assembly and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can LP3470A308DBVR replace LP3470IM5-3.08 in existing designs? A: Yes. Both parts share identical voltage threshold (3.08V), channel count (1), output configuration (Open Drain/Open Collector), reset logic (Active Low), and package type (SC-74A, SOT-753). The extended operating temperature range of LP3470A308DBVR (-40°C ~ 125°C versus -40°C ~ 85°C) provides additional thermal capability without affecting functional compatibility.

Q: What is the difference between the packaging formats listed? A: Digi-Reel, Cut Tape, and Tape & Reel represent different physical delivery and handling formats for the same IC. Digi-Reel and Cut Tape are suitable for lower-volume or manual assembly processes. Tape & Reel format is optimized for high-speed automated pick-and-place equipment. All formats contain identical die and electrical performance.

Q: Why does LP3470A308DBVR have a different reset timeout specification? A: LP3470A308DBVR specifies 619ms Typical reset timeout, compared to 1ms Minimum for other variants. This difference reflects different characterization or binning within the LP3470 product family. Verify reset timeout requirements against your specific application before selection.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed parts carry ROHS3 Compliant status and MSL Level 1 rating, meeting standard environmental and moisture sensitivity requirements for PCB assembly and storage.

Q: Which part should be selected for new product designs? A: LP3470A308DBVR carries Active product status and is the appropriate selection for new designs. Parts marked Not For New Designs or Obsolete are intended for sustaining production of existing products only.

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