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TYPE | DESCRIPTION |
|---|---|
Mfr | Ti |
Series | SIMPLE SWITCHER® |
Product Status | Active |
Function | Step-Down |
Output Configuration | Positive |
Topology | Buck |
Output Type | Adjustable |
Number of Outputs | 1 |
Voltage - Input (Min) | 6.5V |
Voltage - Input (Max) | 40V |
Voltage - Output (Min/Fixed) | 1.2V |
Voltage - Output (Max) | 37V |
Current - Output | 500mA |
Frequency - Switching | 260kHz |
Synchronous Rectifier | No |
Operating Temperature | -40°C ~ 125°C (TJ) |
Mounting Type | Surface Mount |
Package / Case | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package | 8-SOIC |
Base Product Number | LM2674 |
Features of LM2674MX-ADJ
1• Efficiency up to 96%
• Available in 8-Pin SOIC, PDIP, and 16-Pin WSON
Packages
• Simple and Easy to Design With
• Requires Only 5 External Components
• Uses Readily Available Standard Inductors
• 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 500-mA Output Load Current
• 0.25-Ω DMOS Output Switch
• 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 of LM2674MX-ADJ
• Simple High Efficiency (>90%) Step-Down (Buck)
Regulators
• Efficient Preregulator for Linear Regulators
• Positive-to-Negative Converters
Overview of LM2674MX-ADJ
The LM2674 SIMPLE SWITCHER®
regulator is an easy-to-use non-synchronous step-down DC-DC
converter
with a wide input voltage range up to 40 V. It is capable of
delivering up to 0.5-A DC 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. The family requires few external
components and the pin arrangement was designed
for simple, optimum PCB layout.
