LM3489QMM/NOPBIn StockTexas Instruments
Automotive-grade 4.5–35V hysteretic non-synchronous PFET buck controller with enable pin and adjustable mode. Supports current-mode control from 1.239V to 35V output, ideal for automotive power supplies. From $1.06, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM3489QMM/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0600(MOQ 119)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Automotive-grade rated for harsh environments with AEC-Q100 compliance
- Wide 4.5V to 35V input voltage range with hysteretic current-mode control
- Adjustable output from 1.239V to 35V for flexible power supply design
- Enable pin for power sequencing and system management
- Non-synchronous PFET topology for simplified external component design
Applications
The LM3489QMM/NOPB is well-suited for automotive power management applications including infotainment systems, ADAS modules, and body electronics requiring robust DC-DC step-down conversion. Its wide input voltage range and hysteretic control make it ideal for 12V automotive bus regulation and industrial power supplies. The adjustable output mode supports diverse load requirements across telematics, motor control, and embedded computing platforms.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| 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 | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 10A |
| Output Voltage-Max | 35V |
| Output Voltage-Min | 1.239V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1400kHz |
| Technology | BICMOS |
| 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 |
| 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 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LM3489QMM/NOPB?
The LM3489QMM/NOPB supports an input voltage range of 4.5V to 35V, with a nominal operating voltage of 12V. It can also operate in adjustable mode with output voltages from 1.239V to 35V, making it versatile for various automotive and industrial applications.
What control technique does the LM3489QMM/NOPB use?
The LM3489QMM/NOPB uses hysteretic current-mode control, which provides inherent stability, fast transient response, and simplified loop compensation. This technique is particularly beneficial in automotive environments where load variations can be rapid and significant.
What are the typical applications for the LM3489QMM/NOPB?
Typical applications include automotive infotainment systems, advanced driver assistance systems (ADAS), body control modules, and industrial DC-DC power supplies. Its automotive-grade rating and wide input range make it suitable for any 12V bus step-down conversion requiring reliable operation over temperature.
What package does the LM3489QMM/NOPB come in?
The LM3489QMM/NOPB is available in an 8-pin MSOP (S-PDSO-G8) small outline package, which offers a compact footprint suitable for space-constrained automotive PCB designs. The /NOPB suffix indicates it is lead-free and RoHS compliant.
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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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