The IR3473 SupIRBuckTM is an easy‐to‐use, fully integrated and highly efficient DC/DC voltage regulator. The onboard constant on time hysteretic controller and MOSFETs make IR3473 a space‐efficient solution that delivers up to 6A of precisely controlled output voltage. Programmable switching frequency, soft start, and thermally compensated over curren.
• Input Voltage Range: 3V to 27V
• Output Voltage Range: 0.5V to 12V
• Continuous 6A Load Capability
• Constant On‐Time Control
• Compensation Loop not Required
• Excellent Efficiency at Very Low Output Currents
• Programmable Switching Frequency and Soft Start
• Thermally Compensated Over Current Protection
• Power Good Output
• Precision Voltage Reference (0.5V, +/‐1%)
• Enable Input with Voltage Monitoring Capability
• Pre‐bias Start Up
• Thermal Shut Down
• Under/Over Voltage Fault Protection
• Forced Continuous Conduction Mode Option
• Very Small, Low Profile 4mm x .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | IR3475 |
International Rectifier |
10A Highly Integrated SupIRBuck | |
2 | IR3476 |
International Rectifier |
12A Highly Integrated SupIRBuck | |
3 | IR3477 |
International Rectifier |
15A Highly Integrated SupIRBuck | |
4 | IR3403 |
Sharp |
5-Unit 400mA Darlington Transistor Array | |
5 | IR340LM |
International Rectifier |
Fast Recovery Diodes | |
6 | IR3447 |
International Rectifier |
Synchronous Buck Regulator | |
7 | IR3447 |
Infineon |
Synchronous Buck Regulator | |
8 | IR3448 |
International Rectifier |
Synchronous Buck Regulator | |
9 | IR3448 |
Infineon |
Synchronous Buck Regulator | |
10 | IR300N-D0 |
CT Micro |
Infrared Emitter | |
11 | IR304C-AXXXX |
Xinqiao Optoelectronic |
Infrared LED Lamp | |
12 | IR3080 |
International Rectifier |
XPHASE VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT |