LM5023MMX-2/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments LM5023MMX-2/NOPB is an AC-DC quasi-resonant current-mode PWM controller operating from 8 V to 14 V input, designed for flyback and forward converters in an 8-pin SOIC package, available with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM5023MMX-2/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6710(MOQ 1000)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM5023MMX-2/NOPB?
- Quasi-resonant valley-switching current-mode PWM control reduces switching losses in flyback converters
- Input voltage range of 8 V to 14 V with 10 V nominal bias supply for robust startup in offline SMPS designs
- 8-pin SOIC package simplifies PCB layout for compact AC-DC power supply designs
- Integrated cycle-by-cycle current limiting and soft-start for reliable overcurrent protection in high-frequency converters
What is LM5023MMX-2/NOPB used for?
The LM5023MMX-2/NOPB is designed for offline AC-DC flyback power supplies used in consumer adapters, industrial SMPS units, and LED driver power stages where quasi-resonant operation reduces EMI and switching losses. Operating with a bias supply of 8 V to 14 V, this current-mode PWM controller suits designs demanding efficient energy conversion in compact 8-pin SOIC footprints for set-top boxes, smart meters, and white goods applications.
What are the specifications of LM5023MMX-2/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 14V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom (Vsup) | 10V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 130kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM5023MMX-2/NOPB Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM5023MMX-2/NOPB datasheet?
LM5023MMX-2/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM5023MMX-2/NOPB?
Compatible alternatives and drop-in replacements for LM5023MMX-2/NOPB:
Switching Controller, Current-mode, 130kHz Switching Freq-Max, PDSO8
Frequently Asked Questions
What is the input voltage range for the LM5023MMX-2/NOPB bias supply?
The LM5023MMX-2/NOPB operates from a bias supply voltage ranging from 8 V minimum to 14 V maximum, with a nominal operating point of 10 V. This range is typical for self-biased flyback converters where an auxiliary winding provides the controller supply rail.
How does quasi-resonant switching in the LM5023MMX-2/NOPB improve efficiency compared to hard-switching PWM controllers?
Quasi-resonant valley switching turns on the MOSFET at a voltage minimum, reducing switching losses and peak drain voltage stress compared to hard-switching. This technique lowers conducted and radiated EMI at frequencies above 65 kHz, improving efficiency in offline flyback power supplies for consumer and industrial adapters.
Which protection features are built into the LM5023MMX-2/NOPB to safeguard the power stage?
The LM5023MMX-2/NOPB includes cycle-by-cycle current-mode limiting that responds within a single switching period, as well as soft-start to limit inrush current during startup. These features protect the power MOSFET and output rectifier in flyback designs with input voltages up to 14 V bias.
For an LED driver power supply, what package and board space does the LM5023MMX-2/NOPB require?
The LM5023MMX-2/NOPB comes in an 8-pin SOIC package with a footprint of approximately 5x4 mm, enabling compact LED driver PCB layouts. Its small size combined with the current-mode PWM control makes it practical for slim LED retrofit lamp drivers and industrial luminaire power stages operating from offline AC-DC rectified inputs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $0.7260 | $726.00 |
| 3500+ | $0.6870 | $2404.50 |
| 7000+ | $0.6710 | $4697.00 |
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