(Hong Kong)
Product Summary
The LM2674MX-5.0 is a 500 mA Step-Down Voltage Regulator. It provides all the active functions for a step-down (buck) switching regulator, capable of driving a 500 mA load current with excellent line and load regulation.
Parametrics
Absolute maximum ratings: (1)Supply Voltage:45V; (2)ON/OFF Pin Voltage:-0.1V ≤ VSH ≤ 6V; (3)Switch Voltage to Ground:-1V; (4)Boost Pin Voltage VSW:+8V; (5)Feedback Pin Voltage:-0.3V ≤ VFB ≤ 14V; (6)Storage Temperature Range:-65℃ to +150℃; (7)Maximum Junction Temperature:+150℃.
Features
Features: (1)Efficiency up to 96%; (2)Available in SO-8, 8-pin DIP and LLP packages; (3)Simple and easy to design with; (4)Requires only 5 external components; (5)Uses readily available standard inductors; (6)3.3V, 5.0V, 12V, and adjustable output versions; (7)Adjustable version output voltage range: 1.21V to 37V; (8)±1.5% max output voltage tolerance over line and load conditions; (9)Guaranteed 500mA output load current; (10)0.25Ω DMOS Output Switch; (11)Wide input voltage range: 8V to 40V; (12)260 kHz fixed frequency internal oscillator; (13)TTL shutdown capability, low power standby mode; (14)Thermal shutdown and current limit protection.
Diagrams
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 LM2674MX-5.0 |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers |
Data Sheet |
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LM2674MX-5.0/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers PWR CONVERTER HI EFF 500MA SD VLTG REG |
Data Sheet |
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