LM723H Equivalent & Substitute Parts Reference

Part Overview

The LM723H by Texas Instruments is a power management integrated circuit (PMIC) functioning as a linear voltage regulator IC. It features a positive adjustable output with a single regulated output, supporting up to 150mA, and comes in a TO-100-10 through-hole metal can package. The device supports a wide input voltage range (up to 40V), adjustable output (2V to 37V), and includes protection and control features such as current limit, frequency control, and short circuit protection. The active part status indicates it is available for design and repair purposes. However, alternative models may be necessary for situations involving requirements for different compliance standards or packaging preferences.

Substiute Parts

LM723H

Texas InstrumentsIn Stock: 2146LM723H Datasheet

Current PartRFQ

LM723H/NOPB

Texas InstrumentsIn Stock: 1644LM723H/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are identified by strict parameter alignment between the main part and alternatives. The allowed substitution is restricted by the following key parameters:

• Output Configuration (Positive)
• Output Type (Adjustable)
• Number of Regulators (1)
• Voltage - Input (Max): 40V
• Voltage - Output (Min/Fixed): 2V
• Voltage - Output (Max): 37V
• Current - Output: 150mA
• PSRR: 86dB ~ 74dB (50Hz ~ 10kHz)
• Control Features: Current Limit, Frequency Control
• Protection Features: Short Circuit
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-100-10 Metal Can
• Supplier Device Package: TO-100-10

Only those parts matching these specifications, regardless of RoHS or REACH status, are considered as direct parametric equivalents and valid substitutes within this product category.

Parameter Comparison

Engineering Selection Recommendations

Component selection between LM723H and LM723H/NOPB can be based on RoHS compliance requirements. Both parts maintain an active status and are functionally equivalent across all provided electrical and mechanical parameters. The primary distinction is in their RoHS and REACH compliance:

• LM723H: RoHS non-compliant; REACH Affected
• LM723H/NOPB: ROHS3 Compliant; REACH Unaffected

Selection should be aligned with project, regional, or customer-specific environmental compliance criteria.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting LM723H?
A1: Substitution requires strict equivalence in output configuration, voltage and current ratings, protection/control features, package type, mounting method, and operating temperature range.

Q2: Are LM723H and LM723H/NOPB functionally identical?
A2: Both parts match all key electrical and mechanical parameters, including input/output voltage range, current output, protection features, and package type.

Q3: Is the package format consistent between LM723H and LM723H/NOPB?
A3: Yes, both use the TO-100-10 metal can through-hole package.

Q4: What compliance considerations exist between these substitute parts?
A4: LM723H is RoHS non-compliant, whereas LM723H/NOPB is ROHS3 Compliant. Selection depends on the compliance requirements of the application.

Q5: Can either part be used in existing TO-100-10 PCBs?
A5: Both parts share the same package and pinout, maintaining mechanical compatibility with TO-100-10 layouts.