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TI LM2675N-ADJ/NOPBRoHS

Manufacturer
TI
MPN
LM2675N-ADJ/NOPB
LCSC Part #
C1355288
Packaging
PDIP-8
Customer #
Key Attributes
260kHz Step-down type Adjustable 1A 1.21V~37V PDIP-8 Voltage Regulators - DC DC Switching Regulators RoHS
Datasheetpdf iconTI LM2675N-ADJ/NOPB
In-Stock: 10
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QtyUnit PriceTotal Amount
1+$ 8.3258$ 8.33
10+$ 8.1184$ 81.18
40+$ 7.8073$ 312.29
80+$ 7.6679$ 613.43
Standard Packaging40/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingPDIP-8
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching260kHz
FunctionStep-down type
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage6.5V~40V
Switch tube (built-in/external)Built-in
Output Current1A
Output Voltage1.21V~37V
Quiescent Current2.5mA
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Introduction

AI Translation

The LM2675 series of regulators are monolithic integrated DC-DC converter circuits built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load current with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation and a fixed frequency oscillator. The LM2675 series operates at a switching frequency of 260 kHz, thus allowing smaller-sized filter components than what would be needed with lower frequency switching regulators. Because of its very high efficiency (>90%), the copper traces on the printed-circuit board are the only heat sinking needed. A family of standard inductors for use with the LM2675 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies using these advanced ICs. Also included in the data sheet are selector guides for diodes and capacitors designed to work in switch-mode power supplies. Other features include ±1.5%-tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring typically 50-μA standby current. The output switch includes current limiting, as well as thermal shutdown for full protection under fault conditions.

Features

AI Translation
  • Efficiency up to 96%
  • Available in 8-Pin SOIC, PDIP, and 16-Pin WSON Package
  • Requires only 5 External Components
  • 3.3-V, 5-V, 12-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.21 V to 37 V
  • ±1.5% Maximum Output Voltage Tolerance Over Line and Load Conditions
  • Ensured 1-A Output Load Current
  • Wide Input Voltage Range: 8 V to 40 V
  • 260-kHz Fixed Frequency Internal Oscillator
  • TTL Shutdown Capability, Low-Power Standby Mode
  • Thermal Shutdown and Current Limit Protection

Applications

AI Translation
  • Simple High Efficiency (>90%) Step-Down (Buck) Regulator
  • Efficient Preregulator for Linear Regulators
  • Positive-to-Negative Converter