UMW LM2674M-12(UMW)
| Manufacturer | UMWAsian Brands |
| MPN | LM2674M-12(UMW) |
| LCSC Part # | C5563869 |
| Packaging | SOP-8 |
| Customer # | |
| Key Attributes | LM2674 DC-DC Switching Buck Converter |
| Datasheet |
Products Specifications
Show similar products (0) >| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | UMW | |
| Packaging | SOP-8 | |
| Operating Temperature | -40℃~+105℃ | |
| Function | Step-down type | |
| Number of Outputs | 1 | |
| Frequency - Switching | 260kHz | |
| Features | Overcurrent Protection | |
| Output Type | Fixed | |
| Topology | Buck | |
| Operating Voltage | 14V~40V | |
| Switch tube (built-in/external) | Built-in | |
| Output Voltage | 12V | |
| Output Current | 500mA | |
| Quiescent Current | 3mA |
Additional Information
| Type | Details |
|---|---|
| Minimum | 1 |
| Multiple | 1 |
| Standard Packaging | 2500 |
| Sales Unit | Piece |
| EDA Models | EasyEDA Model |
Introduction
The LM2674M series is a DC/DC switching buck converter controlled by a 260kHz fixed-frequency PWM. It primarily consists of internal frequency compensation, a fixed-frequency oscillator, built-in overcurrent protection, and power switch control circuitry, capable of driving a 500mA load with high efficiency, low ripple, and excellent line and load regulation. Only a minimal number of external components are required to implement DC/DC step-down regulation, making it highly practical and easy to use. The PWM control circuit adjusts the duty cycle from 0% to 100% based on load conditions to achieve high operating efficiency. It features an external enable control for power-on functionality, enabling controlled switching between standby and active states for greater application flexibility.
Features
- Built-in thermal shutdown protection
- Built-in overcurrent protection
- Integrated high-efficiency power switch
- Excellent line and load regulation
- ON/OFF pin with hysteresis
- TTL-compatible shutdown
- High efficiency
- Simple peripheral circuitry
- Wide input voltage range: 7V~40V
- Fixed output voltages: 3.3V, 5V, 12V
- Adjustable output voltage range: 1.21V~37V (adjustable)
- High output accuracy: ±2%
- Fixed switching frequency: 260 kHz
- Maximum output current: 500mA
- Minimum dropout voltage: 1.5V
- Package: SOP-8
Applications
- LCD and LCD TVs
- ADSL modems
- LED lighting, LED backlighting
- Digital photo frames
- Telecom/networking equipment
| Qty | Unit Price | Total Amount |
|---|---|---|
| 1+ | $ 0.6862 | $ 0.69 |
| 10+ | $ 0.6078 | $ 6.08 |
| 30+ | $ 0.5694 | $ 17.08 |
| 100+ | $ 0.531 | $ 53.10 |
| 500+ | $ 0.507 | $ 253.50 |
| 1,000+ | $ 0.4958 | $ 495.80 |
Standard Packaging2500/Full Reel | ||
Products Specifications
Show similar products (0) >| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators | |
| Manufacturer | UMW | |
| Packaging | SOP-8 | |
| Operating Temperature | -40℃~+105℃ | |
| Function | Step-down type | |
| Number of Outputs | 1 | |
| Frequency - Switching | 260kHz | |
| Features | Overcurrent Protection | |
| Output Type | Fixed | |
| Topology | Buck | |
| Operating Voltage | 14V~40V | |
| Switch tube (built-in/external) | Built-in | |
| Output Voltage | 12V | |
| Output Current | 500mA | |
| Quiescent Current | 3mA |
Additional Information
| Type | Details |
|---|---|
| Minimum | 1 |
| Multiple | 1 |
| Standard Packaging | 2500 |
| Sales Unit | Piece |
| EDA Models | EasyEDA Model |
Introduction
The LM2674M series is a DC/DC switching buck converter controlled by a 260kHz fixed-frequency PWM. It primarily consists of internal frequency compensation, a fixed-frequency oscillator, built-in overcurrent protection, and power switch control circuitry, capable of driving a 500mA load with high efficiency, low ripple, and excellent line and load regulation. Only a minimal number of external components are required to implement DC/DC step-down regulation, making it highly practical and easy to use. The PWM control circuit adjusts the duty cycle from 0% to 100% based on load conditions to achieve high operating efficiency. It features an external enable control for power-on functionality, enabling controlled switching between standby and active states for greater application flexibility.
Features
- Built-in thermal shutdown protection
- Built-in overcurrent protection
- Integrated high-efficiency power switch
- Excellent line and load regulation
- ON/OFF pin with hysteresis
- TTL-compatible shutdown
- High efficiency
- Simple peripheral circuitry
- Wide input voltage range: 7V~40V
- Fixed output voltages: 3.3V, 5V, 12V
- Adjustable output voltage range: 1.21V~37V (adjustable)
- High output accuracy: ±2%
- Fixed switching frequency: 260 kHz
- Maximum output current: 500mA
- Minimum dropout voltage: 1.5V
- Package: SOP-8
Applications
- LCD and LCD TVs
- ADSL modems
- LED lighting, LED backlighting
- Digital photo frames
- Telecom/networking equipment
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | |
| ECCN | - |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Type | Details |
|---|---|
| RoHS | |
| ECCN | - |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
