LM3481QMMX/NOPB

1 Adjustable Boost VSSOP-10-0.5mm DC DC Switching Controllers RoHS

VSSOP-10-0.5mmROHS3 CompliantActive

High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters

Manufacturer: TI
Manufacturer part #: LM3481QMMX/NOPB
Store part #: C477975
Package / case: VSSOP-10-0.5mm
Category: DC DC Switching Controllers
Packaging: Tape & Reel (TR)

Datasheet (PDF)

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7,589 in stock

#C477975

Stock & price checked 6 days ago

Quantity	Unit price	Pack price
1+	₹169.86	₹169.86
10+	₹133.15	₹1,331.50
30+	₹117.95	₹3,538.50
100+	₹100.79	₹10,079.00
500+	₹93.18	₹46,590.00
1,000+	₹89.71	₹89,710.00

Quantity (min 1)

1 × ₹169.86

₹169.86

excl. GST

₹200.43 incl. 18% GST

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Standard pack: 3,500 per reel

LM3481QMMX/NOPB

₹169.86 for 1 + GST

Specifications

Synchronous Rectifier: No
Features: Adjustable current limiting;Cycle-by-cycle current limiting;Frequency synchronization;External compensation;Light load efficient mode;Overcurrent Protection
Number of Channels: 1
Topology: Boost;Flyback;SEPIC
Operating Voltage: 2.97V~48V
Switch tube (built-in/external): External
Operating Temperature: -40℃~+125℃@(TJ)
Frequency - Switching: 1MHz
Output Type: Adjustable
Function: Boost
Quiescent Current: 9uA

Packaging & compliance

RoHS: ROHS3 Compliant
Lifecycle: Active
ECCN: EAR99
Packaging: Tape & Reel (TR)
Standard pack: 3,500 / Reel
Sold per: Piece
Minimum order: 1
Unit weight: 0.057 g

Overview

The LM3481 device is a versatile Low-Side N-FET high-performance controller for switching regulators. The device is designed for use in Boost, SEPIC and Flyback converters and topologies requiring a lowside FET as the primary switch. The LM3481 device can be operated at very high switching frequencies to reduce the overall solution size. The switching frequency of the LM3481 device can be adjusted to any value between 100kHz and 1MHz by using a single external resistor or by synchronizing it to an external clock. Current mode control provides superior bandwidth and transient response in addition to cycle-by-cycle current limiting. Current limit can be programmed with a single external resistor. The LM3481 device has built-in protection features such as thermal shutdown, short-circuit protection and overvoltage protection. Power-saving shutdown mode reduces the total supply current to 5 μA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up. Integrated current slope compensation simplifies the design and, if needed for specific applications, can be increased using a single resistor.

Applications

Automotive Start-Stop Applications
Automotive ADAS Driver Information
One Cell/Two Cell Li-ion Battery Powered Portable Bluetooth Audio Systems
Notebooks, PDAs, Digital Cameras, and Other Portable Applications
Offline Power Supplies
Set-Top Boxes
Boost for Audio Amplifiers

Key features

LM3481QMM are Automotive-Grade Products
That are AEC-Q100 Grade 1 Qualified (-40°C to +125°C Operating Junction Temperature)
10-Lead VSSOP Package
Internal Push-Pull Driver With 1-A Peak Current Capability
Current Limit and Thermal Shutdown
Frequency Compensation Optimized With a Capacitor and a Resistor
Internal Softstart
Current Mode Operation
Adjustable Undervoltage Lockout With Hysteresis
Pulse Skipping at Light Loads
Wide Supply Voltage Range of 2.97 V to 48 V
100-kHz to 1-MHz Adjustable and Synchronizable Clock Frequency ±1.5% (Over Temperature) Internal Reference
10-μA Shutdown Current (Over Temperature)
Create a Custom Design Using the LM3481 with the WEBENCH Power Designer