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TI LM3478MM/NOPB product image
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TI LM3478MM/NOPBRoHS

Manufacturer
TI
MPN
LM3478MM/NOPB
LCSC Part #
C9404
Packaging
VSSOP-8-0.65mm
Customer #
Key Attributes
High-Efficiency Low-Side N-Channel Controller for Switching Regulator
Datasheetpdf iconTI LM3478MM/NOPB
In-Stock: 1,472
1,472 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.973$ 0.7784$ 0.78
10+$ 0.8335$ 0.6668$ 6.67
30+$ 0.7638$ 0.6111$ 18.33
100+$ 0.6535$ 0.5228$ 52.28
500+$ 0.6114$ 0.4892$ 244.60
1,000+$ 0.5903$ 0.4723$ 472.30
Standard Packaging1000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerTI
PackagingVSSOP-8-0.65mm
Synchronous RectifierNo
Operating Temperature-40℃~+125℃@(TJ)
Output Current-
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Overcurrent Protection;Built-in LDO regulator
Number of Channels1
TopologyBoost;Flyback;SEPIC
Frequency - Switching100kHz~1MHz
Operating Voltage2.97V~40V
Output TypeAdjustable
Output Voltage-
FunctionBoost
Quiescent Current2.7mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging1000
Sales UnitPiece

Introduction

AI Translation

The LM3478 is a versatile Low-Side N-Channel MOSFET controller for switching regulators. It is suitable for use in topologies requiring a low side MOSFET, such as boost, flyback, SEPIC, etc. Moreover, the LM3478 can be operated at extremely high switching frequency in order to reduce the overall solution size. The switching frequency of the LM3478 can be adjusted to any value between 100kHz and 1MHz by using a single external resistor. Current mode control provides superior bandwidth and transient response, besides cycle-by-cycle current limiting. Output current can be programmed with a single external resistor. The LM3478 has built in features such as thermal shutdown, short-circuit protection, over voltage protection, etc. Power saving shutdown mode reduces the total supply current to 5μA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.

Features

AI Translation
  • LM3478Q in VSSOP-8 package is AEC-Q100 qualified and manufactured on an Automotive Grade Flow
  • 8-lead VSSOP-8 and SOIC-8 packages
  • Internal push-pull driver with 1A peak current capability
  • Current limit and thermal shutdown
  • Frequency compensation optimized with a capacitor and a resistor
  • Internal soft start
  • Current Mode Operation
  • Undervoltage Lockout with hysteresis

Applications

AI Translation
  • Distributed Power Systems
  • Battery Chargers
  • Offline Power Supplies
  • Telecom Power Supplies
  • Automotive Power Systems