LM3578AM Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM3578AM is a current-mode PWM switching regulator IC supporting 2V–40V input, 8-pin SOIC package, ideal for DC-DC buck/boost converters. From $0.93 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM3578AM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9310(MOQ 1)
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control for fast transient response and cycle-by-cycle current limiting
- Wide input voltage range of 2V to 40V supports diverse power supply designs
- Compact 8-pin SOIC (R-PDSO-G8) package for space-constrained applications
- Adjustable output voltage and frequency via external components
- Lead-free (Pb-free) construction compliant with RoHS environmental standards
Applications
The LM3578AM is widely used in DC-DC buck, boost, and flyback converter designs for industrial power supplies and embedded systems. Its current-mode PWM architecture makes it suitable for battery-powered devices, point-of-load regulators, and telecom equipment requiring tight output voltage regulation. It is also employed in motor drive pre-regulators and general-purpose switching power supplies where a wide input voltage range is essential.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1989-01-01 |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 2V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.75A |
| Output Voltage-Min | 1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 4mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 100kHz |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3578AM:
Switching Regulator, Current-mode, 0.75A, 24kHz Switching Freq-Max, BIPolar, PDSO8
Frequently Asked Questions
What is the input voltage range of the LM3578AM?
The LM3578AM accepts an input voltage from 2V to 40V, making it versatile for a wide range of power supply applications including battery-powered systems and industrial equipment operating from unregulated rails.
What control method does the LM3578AM use?
The LM3578AM uses current-mode pulse width modulation (PWM) control, which provides inherent cycle-by-cycle current limiting, improved line transient response, and easier compensation compared to voltage-mode controllers.
What package is the LM3578AM available in?
The LM3578AM is available in an 8-pin Small Outline Package (SOIC, JESD-30 code R-PDSO-G8), which is a compact surface-mount package suitable for high-density PCB designs.
What are typical applications for the LM3578AM?
Typical applications include DC-DC buck converters, boost converters, flyback power supplies, point-of-load regulators for industrial and telecom equipment, and battery-powered portable devices requiring efficient voltage conversion.
Is the LM3578AM RoHS compliant?
Yes, the LM3578AM carries a Pb-free (lead-free) code indicating it meets RoHS environmental compliance requirements, making it suitable for use in products destined for markets with strict hazardous substance regulations.
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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.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.6600 | $2.66 |
| 46+ | $0.9975 | $45.89 |
| 151+ | $0.9310 | $140.58 |
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