R1202L321A-TR Equivalent & Substitute Parts

Part Overview

The R1202L321A-TR is a boost switching regulator IC manufactured by Nisshinbo Micro Devices Inc. This positive adjustable output power management IC operates as a step-up converter with a maximum output current of 700mA and a switching frequency of 1.2MHz. The device is housed in a 6-XFDFN exposed pad surface mount package and is classified as Active product status.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across critical parameters including input voltage range, output voltage capability, current rating, switching frequency, package type, and operating temperature specifications. The R1202L321A-TR has been identified with one parametric equivalent substitute that maintains functional compatibility while offering alternative availability and compliance certifications.

Substiute Parts

R1202L321A-TR

Nisshinbo Micro Devices Inc.In Stock: 681R1202L321A-TR Datasheet

Current PartRFQ

R1202L721A-TR

Nisshinbo Micro Devices Inc.In Stock: 9256R1202L721A-TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The R1202L321A-TR and its identified substitute maintain functional equivalence based on the following critical parameters:

Matching Parameters (Substitution Basis):

• Input voltage range: 2.3V to 5.5V
• Output current rating: 700mA (Switch)
• Switching frequency: 1.2MHz
• Operating temperature range: -40°C to 85°C
• Package type: 6-XFDFN Exposed Pad (DFN1616-6B)
• Mounting type: Surface Mount
• Output configuration: Positive, Adjustable
• Synchronous rectifier: No
• Topology: Boost
• Series: R1202x
• Manufacturer: Nisshinbo Micro Devices Inc.

Differing Parameters (Non-Critical for Substitution):

• Maximum output voltage: R1202L321A-TR supports 14V; R1202L721A-TR supports 23V
• RoHS compliance status: R1202L321A-TR is RoHS Compliant; R1202L721A-TR is ROHS3 Compliant
• REACH status: R1202L721A-TR includes REACH Unaffected designation

The higher maximum output voltage capability of the R1202L721A-TR does not prevent substitution in applications requiring output voltages up to 14V, as this parameter represents an extended operating range rather than a reduced capability.

Parameter Comparison

Engineering Selection Recommendations

R1202L321A-TR (Primary Part):

• Product Status: Active
• RoHS Compliance: RoHS Compliant
• Current Inventory: 654 Pcs New Original In Stock
• Maximum Output Voltage: 14V

R1202L721A-TR (Substitute Part):

• Product Status: Active
• RoHS Compliance: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Current Inventory: 9152 Pcs New Original In Stock
• Maximum Output Voltage: 23V

Both parts maintain Active product status and full compliance certifications. The R1202L721A-TR offers significantly higher inventory availability and extended maximum output voltage capability. Selection between these parts depends on application output voltage requirements and compliance certification preferences. For applications requiring output voltages up to 14V, both parts are functionally equivalent. For applications requiring output voltages between 14V and 23V, only the R1202L721A-TR is suitable.

Frequently Asked Questions (FAQ)

Q: Can the R1202L721A-TR be used as a direct replacement for the R1202L321A-TR?

A: Yes, the R1202L721A-TR is a parametric equivalent substitute for the R1202L321A-TR in applications requiring output voltages up to 14V. Both parts share identical input voltage range, output current rating, switching frequency, operating temperature range, and package specifications. The R1202L721A-TR provides extended maximum output voltage capability (23V versus 14V), which does not restrict its use in lower voltage applications.

Q: What is the primary difference between these two parts?

A: The maximum output voltage specification differs: R1202L321A-TR supports up to 14V, while R1202L721A-TR supports up to 23V. Additionally, the R1202L721A-TR carries ROHS3 compliance and REACH Unaffected designation, compared to RoHS Compliant status for the R1202L321A-TR.

Q: Are the packages identical?

A: Yes, both parts use the 6-XFDFN Exposed Pad package (DFN1616-6B) with surface mount mounting type. PCB layout and footprint compatibility are maintained between these parts.

Q: What are the input voltage specifications for both parts?

A: Both the R1202L321A-TR and R1202L721A-TR accept input voltages from 2.3V minimum to 5.5V maximum.

Q: Is the switching frequency the same for both parts?

A: Yes, both parts operate at a switching frequency of 1.2MHz.

Q: What is the output current rating for both parts?

A: Both parts provide 700mA output current (Switch).

Q: Do these parts include synchronous rectification?

A: No, neither the R1202L321A-TR nor the R1202L721A-TR includes a synchronous rectifier.

Q: What is the operating temperature range?

A: Both parts operate across a temperature range of -40°C to 85°C (TA).

Q: Are both parts RoHS compliant?

A: Yes, both parts are RoHS compliant. The R1202L321A-TR carries RoHS Compliant status, while the R1202L721A-TR carries ROHS3 Compliant status.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life under normal storage conditions.