LM3478MM/NOPB

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Details for Texas Instruments

LM3478MM/NOPB

2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller
Buy Directly from Texas Instruments (13276 in Stock)
$0.8300 per unit
Series Information for LM3478MM/NOPB - Texas Instruments

Features

  • feature
    8-lead VSSOP-8 and SOIC-8 packages
  • feature
    Create a Custom Design Using the LM3478 with
  • feature
    Current Limit and Thermal Shutdown
  • feature
    Current Mode Operation
  • feature
    Frequency Compensation Optimized With a Capacitor and a Resistor
  • feature
    Internal Push-Pull Driver With 1-A Peak Current Capability
  • feature
    Internal Soft Start
  • feature
    LM3478Q-Q1 in VSSOP-8 package is AEC-Q100 Qualified and Manufactured on an Automotive Grade Flow
  • feature
    Undervoltage Lockout With Hysteresis

Description

IC CONTROLLER PWM SMD FULL REEL
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 100 kHz and 1 MHz 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 5 µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.

Specifications

Driver Configuration:
Low Side
Peak Output Current:
-
Supply Voltage Min:
2.97V
Supply Voltage Max:
40V
Driver Case Style:
VSSOP
No. of Pins:
8Pins
Input Delay:
4ms
Output Delay:
-
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Controller Type:
PWM
Frequency:
400kHz
Input Voltage:
12V
Operating Temperature Range:
-40°C to +125°C
Output Current:
200mA
Output Current Max:
2A
Output Voltage:
7.2V
Output Voltage Max:
5V
Supply Voltage Range:
2.97V to 40V
Termination Type:
Surface Mount Device

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Step Up 2.97V to 40V Input 8-Pin MSOP T/R

Avnet America product

Avnet Europe

DC DC Cntrlr Single-OUT Step Up 2.97V to 40V Input 8-Pin MSOP T/R

Avnet Europe product

Texas Instruments

2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller

Texas Instruments product

Distrelec

1.39

Distrelec product