ISL9012IRJRZ Equivalent & Substitute Parts

Part Overview

The ISL9012IRJRZ is a linear voltage regulator IC from Renesas Electronics Corporation designed for power management applications. It provides dual positive fixed outputs with 150mA and 300mA current capabilities in a compact 10-DFN (3x3) surface mount package. The device features integrated protection mechanisms including over-current, over-temperature, soft start, and under-voltage lockout functions.

The ISL9012IRJRZ is classified as obsolete. Identifying equivalent substitute parts is essential for ongoing system support, design updates, and procurement continuity when original inventory becomes unavailable.

Key Parameters

Parameter	ISL9012IRJRZ
Manufacturer	Renesas Electronics Corporation
Product Status	Obsolete
Package Type	10-VFDFN Exposed Pad (3x3)
Output Configuration	Positive Fixed, 2 Outputs
Voltage Output (Fixed)	2.8V, 2.6V
Maximum Input Voltage	6.5V
Current Output	150mA, 300mA
Dropout Voltage	0.2V @ 150mA, 0.4V @ 300mA
Quiescent Current	40 µA
Operating Temperature Range	-40°C to 85°C
Protection Features	Over Current, Over Temperature, Soft Start, UVLO
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ISL9012IRJRZ is determined by the following critical parameters:

Identical package type: 10-VFDFN Exposed Pad (3x3)
Matching output configuration: Positive fixed dual-output topology
Compatible voltage output specifications: Fixed output voltages must support the required 2.8V and 2.6V rails
Equivalent current delivery: 150mA and 300mA output capability
Maximum input voltage rating: 6.5V or higher
Identical or superior protection feature set
Operating temperature range: -40°C to 85°C minimum
Compliance certifications: ROHS3, REACH Unaffected

The ISL9012IRJNZ meets these substitution criteria as an active product variant within the same ISL9012 base product family from Renesas Electronics Corporation.

Parameter Comparison

Parameter	ISL9012IRJRZ (Main)	ISL9012IRJNZ (Substitute)
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation
Product Status	Obsolete	Active
Package Type	10-VFDFN Exposed Pad (3x3)	10-VFDFN Exposed Pad (3x3)
Packaging Format	Not specified	Tube
Output Configuration	Positive Fixed, 2 Outputs	Positive Fixed, 2 Outputs
Voltage Output (Fixed)	2.8V, 2.6V	2.8V, 3.3V
Maximum Input Voltage	6.5V	6.5V
Current Output	150mA, 300mA	150mA, 300mA
Dropout Voltage	0.2V @ 150mA, 0.4V @ 300mA	0.2V @ 150mA, 0.325V @ 300mA
Quiescent Current	40 µA	40 µA
Supply Current (Max)	60 µA	60 µA
Operating Temperature Range	-40°C to 85°C	-40°C to 85°C
Protection Features	Over Current, Over Temperature, Soft Start, UVLO	Over Current, Over Temperature, Soft Start, UVLO
Control Features	Enable	Enable
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

The ISL9012IRJNZ is a direct substitute for the obsolete ISL9012IRJRZ based on the following factors:

Both devices share identical package geometry, electrical topology, and core functional specifications. The ISL9012IRJNZ maintains active product status with Renesas Electronics Corporation, ensuring ongoing availability and manufacturing support.

The primary difference is the second fixed output voltage: the substitute provides 3.3V instead of 2.6V. System designs requiring the original 2.6V output must evaluate whether the 3.3V alternative is compatible with downstream circuitry or if voltage regulation modifications are necessary.

The ISL9012IRJNZ exhibits improved dropout voltage performance at 300mA (0.325V versus 0.4V), providing superior efficiency characteristics. The substitute maintains identical quiescent current, supply current, and protection feature specifications.

Both devices comply with ROHS3 and REACH requirements. The MSL rating difference (1 versus 3) reflects standard moisture sensitivity classifications and does not affect functional compatibility in typical operating environments.

Frequently Asked Questions (FAQ)

Q: Can the ISL9012IRJNZ directly replace the ISL9012IRJRZ without PCB modifications?

A: Physical and electrical compatibility is confirmed for package type and core functionality. However, the output voltage difference on the second rail (3.3V versus 2.6V) must be verified against system requirements. If the 2.6V output is critical to circuit operation, alternative solutions may be necessary.

Q: What is the significance of the MSL rating difference between these parts?

A: MSL 1 (Unlimited) indicates no moisture sensitivity restrictions, while MSL 3 (168 Hours) requires controlled storage conditions. For standard manufacturing environments with proper moisture control, this difference does not impact device reliability or performance.

Q: Are there any compliance or certification differences between these parts?

A: Both devices maintain identical ROHS3 compliance, REACH Unaffected status, and EAR99 ECCN classification. No compliance barriers exist for substitution.

Q: How does the improved dropout voltage of the ISL9012IRJNZ affect system design?

A: The lower dropout voltage at 300mA (0.325V versus 0.4V) reduces power dissipation and improves efficiency. This represents a performance enhancement with no negative impact on compatibility.

Q: Is the ISL9012IRJNZ available in the same packaging format as the original part?

A: The ISL9012IRJNZ is supplied in Tube packaging, while the original part's packaging format was not specified. Both use identical 10-VFDFN Exposed Pad (3x3) physical packages suitable for surface mount assembly.

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