MIC2212-SMBML-TR Equivalent & Substitute Parts

Part Overview

The MIC2212-SMBML-TR is a dual-output linear voltage regulator IC from Microchip Technology, designed for positive fixed voltage regulation with 150mA and 300mA output capabilities. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and procurement. The device provides 3.3V and 2.8V outputs in a compact 10-MLF® (3x3) surface mount package with integrated enable and power-on-reset control features.

Key Parameters

Parameter	Value
Manufacturer	Microchip Technology
Category	Power Management (PMIC)
Output Configuration	Positive Fixed, 2 Outputs
Voltage Output (Fixed)	3.3V, 2.8V
Voltage Input (Max)	5.5V
Current Output	150mA, 300mA
Voltage Dropout (Max)	0.25V @ 150mA, 0.42V @ 300mA
Quiescent Current	80 µA
PSRR	60dB ~ 40dB (1KHz ~ 20kHz)
Control Features	Enable, Power On Reset
Protection Features	Over Current, Over Temperature
Operating Temperature	-40°C ~ 125°C
Package	10-MLF® (3x3)
Mounting Type	Surface Mount
RoHS Status	RoHS non-compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MIC2212-SMBML-TR is determined by the following critical parameters:

Dual-output positive fixed voltage regulation with 3.3V and 2.8V outputs
150mA and 300mA output current capability
Maximum input voltage of 5.5V or higher
Voltage dropout specifications
Quiescent current performance
Surface mount package compatibility (10-MLF® or equivalent 10-pin footprint)
Control features (Enable, Power On Reset)
Protection features (Over Current, Over Temperature)
Operating temperature range

Substitute parts are grouped into two categories:

Parametric Equivalent: MIC2212-SMYML-TR maintains identical electrical specifications and output voltage configuration with improved RoHS3 compliance and active product status.

Manufacturer Recommended Alternatives: LP3996 series parts from Texas Instruments provide dual-output linear regulation with compatible current ratings and package footprints. These parts feature different output voltage combinations (0.8V, 1.8V, 2.5V, 3V, 3.3V) to support various system requirements while maintaining core functionality.

Parameter Comparison

Parameter	MIC2212-SMBML-TR	MIC2212-SMYML-TR	LP3996SD-0833/NOPB	LP3996SD-1833/NOPB	LP3996SD-2533/NOPB	LP3996SD-3333/NOPB
Manufacturer	Microchip Technology	Microchip Technology	National Semiconductor	Texas Instruments	Texas Instruments	Texas Instruments
Output Configuration	Positive Fixed, 2 Outputs	Positive Fixed, 2 Outputs	Positive Fixed, 2 Outputs	Positive Fixed, 2 Outputs	Positive Fixed, 2 Outputs	Positive Fixed, 2 Outputs
Voltage Output (Fixed)	3.3V, 2.8V	3.3V, 2.8V	0.8V, 3.3V	1.8V, 3.3V	2.5V, 3.3V	3.3V
Voltage Input (Max)	5.5V	5.5V	6V	6V	6V	6V
Current Output	150mA, 300mA	150mA, 300mA	150mA, 300mA	150mA, 300mA	150mA, 300mA	150mA, 300mA
Voltage Dropout (Max)	0.25V @ 150mA, 0.42V @ 300mA	0.25V @ 150mA, 0.42V @ 300mA	0.22V @ 150mA, 0.55V @ 150mA	0.22V @ 150mA, 0.55V @ 150mA	0.22V @ 150mA, 0.55V @ 150mA	0.22V @ 150mA, 0.55V @ 150mA
Quiescent Current	80 µA	80 µA	100 µA	100 µA	100 µA	100 µA
PSRR	60dB ~ 40dB (1KHz ~ 20kHz)	60dB ~ 40dB (1KHz ~ 20kHz)	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)	58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz)
Control Features	Enable, Power On Reset	Enable, Power On Reset	Enable	Enable	Enable	Enable
Protection Features	Over Current, Over Temperature	Over Current, Over Temperature	Over Temperature, Short Circuit	Over Temperature, Short Circuit	Over Temperature, Short Circuit	Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package	10-MLF® (3x3)	10-MLF® (3x3)	10-WSON (3x3)	10-WSON (3x3)	10-WSON (3x3)	10-WSON (3x3)
RoHS Status	RoHS non-compliant	RoHS3 Compliant	Not specified	RoHS3 Compliant	RoHS3 Compliant	RoHS3 Compliant
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Active

Engineering Selection Recommendations

MIC2212-SMYML-TR is the direct parametric equivalent with identical electrical performance and output voltage configuration. This part is recommended as the primary replacement due to active product status and RoHS3 compliance, addressing regulatory requirements that the original part does not meet.

LP3996 Series parts from Texas Instruments are manufacturer-recommended alternatives with active product status and RoHS3 compliance. Selection within this series depends on required output voltage combinations:

LP3996SD-0833/NOPB: For 0.8V and 3.3V dual outputs
LP3996SD-1833/NOPB: For 1.8V and 3.3V dual outputs
LP3996SD-2533/NOPB: For 2.5V and 3.3V dual outputs
LP3996SD-3333/NOPB: For 3.3V single or dual outputs

LP3996 series parts feature improved input voltage tolerance (6V maximum vs. 5.5V) and are available in higher inventory quantities. Operating temperature range is reduced to -40°C ~ 85°C compared to the original -40°C ~ 125°C specification. Package footprints are compatible (10-pin surface mount), though MLF® and WSON variants may require PCB layout verification.

Frequently Asked Questions (FAQ)

Q: Can MIC2212-SMYML-TR be used as a direct drop-in replacement for MIC2212-SMBML-TR?

A: Yes. MIC2212-SMYML-TR maintains identical electrical specifications, output voltages (3.3V and 2.8V), current ratings (150mA and 300mA), and package footprint (10-MLF® 3x3). The primary difference is improved RoHS3 compliance and active product status.

Q: What are the key differences between MIC2212 and LP3996 series parts?

A: MIC2212 provides fixed dual outputs of 3.3V and 2.8V with 80 µA quiescent current and -40°C ~ 125°C operating range. LP3996 series offers selectable output voltage combinations with 100 µA quiescent current and -40°C ~ 85°C operating range. Both support 150mA and 300mA outputs with Enable control and thermal protection.

Q: Are MLF® and WSON packages pin-compatible?

A: Both packages are 10-pin surface mount with 3x3mm footprints. Physical dimensions and pin assignments are compatible for PCB layout purposes. Verify specific package drawings with manufacturer datasheets for thermal pad and solder mask requirements.

Q: Which LP3996 variant should I select if my design requires 3.3V output?

A: LP3996SD-3333/NOPB provides 3.3V output and is the highest-inventory option (4200 pcs). If dual-output capability is required, select based on the second output voltage needed: LP3996SD-1833/NOPB (1.8V), LP3996SD-2533/NOPB (2.5V), or LP3996SD-0833/NOPB (0.8V).

Q: Does the reduced operating temperature range of LP3996 (-40°C ~ 85°C vs. -40°C ~ 125°C) affect my application?

A: This depends on your system requirements. If your design operates above 85°C, the original MIC2212-SMYML-TR or MIC2212-SMBML-TR is required. For applications within -40°C ~ 85°C, LP3996 series parts are suitable.

Q: What is the impact of higher quiescent current in LP3996 (100 µA vs. 80 µA)?

A: The 20 µA difference is negligible in most applications. For battery-powered or ultra-low-power designs where quiescent current is critical, MIC2212-SMYML-TR maintains the lower 80 µA specification.

Q: Are there inventory considerations for part selection?

A: MIC2212-SMYML-TR has 800 pcs available. LP3996SD-3333/NOPB offers the highest inventory at 4200 pcs, followed by LP3996SD-1833/NOPB (3100 pcs) and LP3996SD-2533/NOPB (1859 pcs). Inventory levels should be verified with current suppliers.

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