LM3488MMX/NOPB Part Information

Details for LM3488MMX/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Description

The LM3488 is a versatile low-side N-FET highperformance controller for switching regulators. This device is suitable for use in topologies requiring lowside FET, such as boost, flyback, or SEPIC. Moreover, the LM3488 can be operated at extremely high switching frequency to reduce the overall solution size. The switching frequency of LM3488 can be adjusted to any value from 100 kHz to 1 MHz by using a single external resistor or by synchronizing it to an external clock. 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 LM3488 has built-in 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.

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Part Features

  • 8-Lead VSSOP Package
  • Automotive Grade Product, AEC-Q100 Qualified
  • Create a Custom Design Using the LM3488 with
  • Current Limit and Thermal Shutdown
  • Current Mode Operation
  • Frequency Compensation Optimized With a Capacitor and a Resistor
  • Internal Push-Pull Driver With 1-A Peak Current Capability
  • Internal Soft-Start
  • Key Specifications: u2013 Wide Supply Voltage Range of 2.97 V to 40 V u2013 100-kHz to 1-MHz Adjustable and Synchronizable Clock Frequency u2013 u00b11.5% (Overtemperature) Internal Reference u2013 5-u00b5A Shutdown Current (Overtemperature)
  • Undervoltage Lockout With Hysteresis

Part Specifications

Supply Voltage Min 2.97V
Supply Voltage Max 40V
No. of Outputs 1 Output
Duty Cycle (%) 100%
Controller IC Case Style VSSOP
No. of Pins 8Pins
Switching Frequency 1MHz
Topology Boost Flyback SEPIC
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard AEC-Q100
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • DC/DC CTRL, BOOST, FLYBACK, 1MHZ, VSSOP8; Supply Voltage Min:2.97V; Supply Voltage Max:40V; No. of Outputs:1 Output; Duty Cycle (%):100%; Controller IC Case Style:VSSOP; No. of Pins:8Pins; Switching Frequency:1MHz; Product Range:- RoHS Compliant: Yes | Newark Electronics
  • 2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching Regulators | Texas Instruments

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