LM3485MM Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM3485MM is a hysteretic PFET buck controller supporting 4.5V to 35V input, current-mode control, and adjustable output from 1.239V. From $0.39 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM3485MM Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3942(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Hysteretic current-mode control for fast transient response without external compensation
- Wide input voltage range: 4.5V to 35V, suitable for 5V, 12V, and 24V systems
- Adjustable output voltage from 1.239V to 35V for flexible power supply design
- External PFET switch driver for high efficiency and low RDS(on) flexibility
- Operates in both fixed and adjustable output modes for versatile applications
Applications
The LM3485MM is well-suited for point-of-load DC-DC conversion in industrial and telecom equipment, where wide input voltage range and fast transient response are critical. It is commonly used in distributed power architectures, embedded computing boards, and battery-powered systems requiring efficient step-down regulation from 12V or 24V rails. Its adjustable output capability also makes it ideal for programmable power supplies and lab bench power modules.
Specifications
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.239 V TO 35 V; ALSO OPERATES IN PWM CONTROL TECHNIQUE |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | HYSTERETIC CURRENT MODE |
| Input Voltage-Max | 35V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 0.1A |
| 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 |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 1000kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| 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 LM3485MM:
Switching Controller, Voltage-mode, 0.1A, 1000kHz Switching Freq-Max, PDSO8
Frequently Asked Questions
What is the input voltage range of the LM3485MM?
The LM3485MM operates over an input voltage range of 4.5V to 35V, with a nominal operating voltage of 12V. This wide range makes it suitable for 5V, 12V, and 24V power systems commonly found in industrial and telecom applications.
What control technique does the LM3485MM use?
The LM3485MM uses hysteretic current-mode control, which provides inherently fast transient response and eliminates the need for complex loop compensation. It can also operate in adjustable PWM control mode, offering design flexibility for different load conditions.
What is the adjustable output voltage range of the LM3485MM?
In adjustable mode, the LM3485MM can regulate output voltage from 1.239V up to 35V, allowing designers to set the desired rail voltage using a simple resistor divider network on the feedback pin.
What package does the LM3485MM come in?
The LM3485MM is available in an 8-pin MSOP (S-PDSO-G8) small outline package, which provides a compact footprint ideal for space-constrained PCB layouts in portable and embedded power applications.
Where can I buy the LM3485MM and what is the price?
The LM3485MM is available from FindMyChip starting from $0.39 per unit. It is in stock and available for worldwide shipping, making it easy to source for both prototype and production quantities.
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Why Buy from FindMyChip
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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