PAM3116ABLBADJR Equivalent & Substitute Parts

Part Overview

The PAM3116ABLBADJR is a linear voltage regulator IC from Diodes Incorporated designed for positive adjustable output applications. It delivers 1.5A output current in an 8-SOP surface mount package. This component is classified as Not For New Designs, making identification of equivalent and substitute parts essential for ongoing production support, maintenance applications, and design transitions.

Key Parameters

Parameter	Value
Manufacturer	Diodes Incorporated
Part Number	PAM3116ABLBADJR
Category	Power Management (PMIC)
Output Configuration	Positive Adjustable
Current - Output	1.5A
Voltage - Input (Max)	6V
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	5V
Voltage Dropout (Max)	0.4V @ 1.5A
Current - Quiescent (Iq)	150 µA
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the PAM3116ABLBADJR are identified based on strict electrical and mechanical parameter alignment. The critical parameters determining substitution eligibility are:

Output current capability: 1.5A
Output configuration: Positive adjustable
Input voltage maximum: 6V
Output voltage range: 0.8V to 5V
Package type: 8-SOIC form factor
Surface mount compatibility
Control features: Enable function

Two substitute parts meet these criteria: the PAM3116BLBADJR (parametric equivalent from the same manufacturer) and the MCP1727-ADJE/SN (manufacturer-recommended alternative from Microchip Technology).

Parameter Comparison

Parameter	PAM3116ABLBADJR	PAM3116BLBADJR	MCP1727-ADJE/SN
Manufacturer	Diodes Incorporated	Diodes Incorporated	Microchip Technology
Output Configuration	Positive Adjustable	Positive Adjustable	Positive Adjustable
Current - Output	1.5A	1.5A	1.5A
Voltage - Input (Max)	6V	6V	6V
Voltage - Output (Min/Fixed)	0.8V	0.8V	0.8V
Voltage - Output (Max)	5V	5V	5V
Voltage Dropout (Max)	0.4V @ 1.5A	0.4V @ 1.5A	0.55V @ 1.5A
Current - Quiescent (Iq)	150 µA	150 µA	220 µA
PSRR	70dB ~ 50dB (100Hz ~ 10kHz)	70dB ~ 50dB (100Hz ~ 10kHz)	60dB (100Hz)
Control Features	Enable	Enable	Enable, Power Good
Protection Features	Over Temperature, Short Circuit	Over Temperature, Short Circuit	Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Not For New Designs	Not For New Designs	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The PAM3116BLBADJR provides direct parametric equivalence to the PAM3116ABLBADJR, maintaining identical electrical specifications and operating temperature range while offering higher inventory availability (17,600 units versus 905 units). Both parts share Not For New Designs status and identical compliance certifications.

The MCP1727-ADJE/SN from Microchip Technology qualifies as a manufacturer-recommended substitute with Active product status, providing long-term design continuity. This part maintains core electrical compatibility across output current, voltage ranges, and package form factor. Differences include higher quiescent current (220 µA versus 150 µA), slightly higher dropout voltage (0.55V versus 0.4V), and extended operating temperature range (-40°C to 125°C versus -40°C to 85°C). The MCP1727-ADJE/SN includes additional protection features (Power Good output and Under Voltage Lockout) and maintains ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the PAM3116BLBADJR directly replace the PAM3116ABLBADJR?

A: Yes. The PAM3116BLBADJR is a parametric equivalent with identical electrical specifications, output current rating, voltage ranges, dropout characteristics, quiescent current, and operating temperature range. Both use the same 8-SOIC package and share identical control and protection features.

Q: What are the key differences between the PAM3116ABLBADJR and MCP1727-ADJE/SN?

A: The MCP1727-ADJE/SN maintains electrical compatibility for core parameters (1.5A output, 0.8V to 5V adjustable range, 6V maximum input). Differences include: quiescent current of 220 µA (versus 150 µA), dropout voltage of 0.55V at 1.5A (versus 0.4V), extended operating temperature to 125°C (versus 85°C), and additional protection features including Power Good output and Under Voltage Lockout. The MCP1727-ADJE/SN carries Active product status.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the 8-SOIC (0.154", 3.90mm Width) package and are surface mount compatible with identical pinout configuration for adjustable positive linear regulator applications.

Q: Which substitute should be selected for new production?

A: The MCP1727-ADJE/SN is recommended for new production due to its Active product status, extended operating temperature range, and additional protection features. The PAM3116BLBADJR is suitable for ongoing support of existing designs using the PAM3116ABLBADJR.

Q: Do all parts meet RoHS compliance requirements?

A: Yes. The PAM3116ABLBADJR, PAM3116BLBADJR, and MCP1727-ADJE/SN are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).

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