RT9183HGS Linear Voltage Regulator - Equivalent & Substitute Parts

Part Overview

The RT9183HGS is an active linear voltage regulator IC manufactured by Richtek USA Inc., classified as a Power Management (PMIC) component. This positive adjustable output regulator delivers 1.5A maximum output current in an 8-SOP surface mount package. The device is currently in active production status with 2417 units in stock inventory.

The RT9183HGS is designed for applications requiring adjustable positive voltage regulation with low dropout characteristics. Equivalent and substitute parts are identified based on matching electrical performance parameters, package compatibility, and regulatory compliance standards.

Substiute Parts

RT9183HGS

Richtek USA Inc.In Stock: 2502RT9183HGS Datasheet

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MCP1727-ADJE/SN

Microchip TechnologyIn Stock: 2316MCP1727-ADJE/SN Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RT9183HGS are identified based on the following critical electrical and mechanical parameters:

• Output current capability: 1.5A minimum
• Output configuration: Positive adjustable topology
• Package compatibility: 8-SOIC surface mount form factor with 0.154" width (3.90mm)
• Input voltage tolerance: Maximum rating of 5.5V or higher
• Output voltage adjustability: Minimum 0.8V to maximum 4.5V or higher
• Operating temperature range: -40°C to 125°C minimum
• Regulatory compliance: ROHS3 compliant, REACH unaffected status

The MCP1727-ADJE/SN from Microchip Technology meets these substitution criteria through equivalent electrical performance and identical package specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the RT9183HGS and MCP1727-ADJE/SN are active production components with ROHS3 compliance and REACH unaffected status, making them suitable for current design implementations. The MCP1727-ADJE/SN provides extended input voltage tolerance (6V vs 5.5V maximum) and lower quiescent current consumption (220 µA vs 500 µA), which may offer advantages in power-sensitive applications. The MCP1727-ADJE/SN also includes additional protection features including short circuit protection and under-voltage lockout (UVLO), along with enable and power good control features.

Selection between these parts should be based on specific application requirements regarding input voltage headroom, quiescent current budget, and control feature necessity. Both components maintain identical output current capability, adjustable output voltage range compatibility, and thermal operating specifications.

Frequently Asked Questions (FAQ)

Q: Can the MCP1727-ADJE/SN directly replace the RT9183HGS in existing designs?

A: Yes, the MCP1727-ADJE/SN is pin-compatible and functionally equivalent for applications within the specified electrical parameters. Both devices use the 8-SOIC package with identical 0.154" width and pinout compatibility for standard regulator configurations.

Q: What are the key differences between these two regulators?

A: The primary differences are: (1) Input voltage maximum rating is 6V for MCP1727-ADJE/SN versus 5.5V for RT9183HGS; (2) Quiescent current is 220 µA for MCP1727-ADJE/SN versus 500 µA for RT9183HGS; (3) MCP1727-ADJE/SN includes additional control features (Enable, Power Good) and protection features (Short Circuit, UVLO) not present in RT9183HGS; (4) Dropout voltage is marginally lower for MCP1727-ADJE/SN at 0.55V versus 0.5V.

Q: Are both parts suitable for -40°C to 125°C operating temperature applications?

A: Yes, both the RT9183HGS and MCP1727-ADJE/SN are rated for -40°C to 125°C operating temperature range.

Q: What is the moisture sensitivity level difference between these parts?

A: The RT9183HGS has MSL rating of 3 (168 hours), while the MCP1727-ADJE/SN has MSL rating of 1 (unlimited). This indicates the MCP1727-ADJE/SN has lower moisture sensitivity and less stringent storage requirements.

Q: Do both parts support adjustable output voltage configuration?

A: Yes, both the RT9183HGS and MCP1727-ADJE/SN are positive adjustable output regulators with output voltage range from 0.8V minimum to 4.5V (RT9183HGS) or 5V (MCP1727-ADJE/SN) maximum.