LP3470IM5X-4.63 Equivalent & Substitute Parts

Part Overview

The LP3470IM5X-4.63 is a single-channel supervisor IC manufactured by Texas Instruments, designed for power management and reset control applications. This device operates as a simple reset/power-on reset supervisor with an open drain or open collector output, housed in a SOT-23-5 surface mount package.

The LP3470IM5X-4.63 is classified as obsolete. Locating equivalent or substitute parts is necessary for ongoing production support, design updates, or inventory replenishment when the original part becomes unavailable.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage Threshold	4.63V
Output Type	Open Drain or Open Collector
Reset Logic	Active Low
Reset Timeout	1ms Minimum
Operating Temperature Range	-40°C ~ 85°C (TJ)
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LP3470IM5X-4.63 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Parameters for Substitution:

Voltage threshold: 4.63V
Supervisor type: Simple reset/power-on reset with 1 channel
Output configuration: Open drain or open collector
Reset logic: Active low
Reset timeout: 1ms minimum
Operating temperature range: -40°C ~ 85°C
Package type: SOT-23-5 (SC-74A, SOT-753)
Mounting type: Surface mount

All substitute parts listed maintain identical electrical specifications and mechanical compatibility with the main part number. Variations in packaging format (tape & reel, cut tape, or digi-reel) do not affect functional equivalence.

Parameter Comparison

Parameter	LP3470IM5X-4.63	LP3470IM5X-4.63/NOPB	LP3470IM5-4.63/NOPB
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments
Type	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset
Number of Voltages Monitored	1	1	1
Voltage Threshold	4.63V	4.63V	4.63V
Output Type	Open Drain or Open Collector	Open Drain or Open Collector	Open Drain or Open Collector
Reset Logic	Active Low	Active Low	Active Low
Reset Timeout	1ms Minimum	1ms Minimum	1ms Minimum
Operating Temperature	-40°C ~ 85°C (TJ)	-40°C ~ 85°C (TJ)	-40°C ~ 85°C (TJ)
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5
Mounting Type	Surface Mount	Surface Mount	Surface Mount
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Not For New Designs	Not For New Designs
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

LP3470IM5X-4.63/NOPB is the direct manufacturer equivalent with identical electrical and mechanical specifications. This part carries ROHS3 compliance and is classified as "Not For New Designs," indicating it remains available but is not recommended for new product development.

LP3470IM5-4.63/NOPB is a parametric equivalent offering the same functional performance and package compatibility. This part also carries ROHS3 compliance and shares the same "Not For New Designs" status.

The original LP3470IM5X-4.63 is RoHS non-compliant and obsolete. Both substitute parts provide improved compliance status while maintaining full electrical and mechanical compatibility. Selection between LP3470IM5X-4.63/NOPB and LP3470IM5-4.63/NOPB should be based on packaging format availability and inventory requirements, as both are functionally equivalent.

Frequently Asked Questions (FAQ)

Q: Can LP3470IM5X-4.63/NOPB be used as a direct replacement for LP3470IM5X-4.63?

A: Yes. Both parts share identical electrical specifications, voltage threshold (4.63V), output configuration (open drain/open collector), reset logic (active low), and SOT-23-5 package. The primary difference is improved RoHS compliance status in the substitute part.

Q: What is the difference between LP3470IM5X-4.63/NOPB and LP3470IM5-4.63/NOPB?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications. The difference lies in packaging format: LP3470IM5X-4.63/NOPB is supplied in tape & reel format, while LP3470IM5-4.63/NOPB is available in cut tape and digi-reel format. Functional performance and package type (SOT-23-5) remain identical.

Q: Are these parts suitable for new designs?

A: Both substitute parts carry a "Not For New Designs" status. This classification indicates the parts remain available but are not recommended for new product development. Consult Texas Instruments for current-generation alternatives if designing new applications.

Q: Does the SOT-23-5 package remain consistent across all listed parts?

A: Yes. All parts use the SOT-23-5 package (SC-74A, SOT-753 case designation) with surface mount mounting type. PCB layout and footprint compatibility is maintained across all listed parts.

Q: What is the significance of RoHS compliance differences?

A: The original LP3470IM5X-4.63 is RoHS non-compliant, while both substitute parts (LP3470IM5X-4.63/NOPB and LP3470IM5-4.63/NOPB) are ROHS3 compliant. ROHS3 compliance indicates the parts meet current environmental and hazardous substance restrictions, which may be required for certain applications or markets.

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