Allegro MicroSystems SI-8090JD
the SI-8090JD dc/dc step-down (buck) converter offers a constant 125 kHz switching frequency essential for low EMI noise. The npn switch is included on the die along with the oscillator, control, and logic circuitry requiring only four external components for a regulated 9.0 V output at up to 1.5 A.| Part No. | SI-8090JD |
|---|---|
| Datasheet | SI-8090JD Download |
| Manufacturer |  Allegro MicroSystems |
| Description | Step-Down to 9V / 1.5A DC-DC Converter |
| Buy | Stock & Price |
FEATURES
● 11 V to 40 V Input Range● 1.5 A Output Current at 9.0 V
● 2% Output Voltage Tolerance
● Foldback Current Limiting
● Constant 125 kHz Switching Frequency
● 200 µA Maximum Standby Current
● Soft Start Prevents Supply Voltage Dip
● Remote Voltage Sensing
● Exposed Pad for Superior Heat Dissipation
● Thermal Protection
APPLICATIONS
● TVs, VCRs, Electronic Games● Embedded Core, Memory, or Logic Supplies
● Printers and Other Office Equipment
● Industrial Machinery
● Telecommunications Equipment Data Sheet 27469.41*
ABSOLUTE MAXIMUM RATINGS
Input Voltage, VI . . . . . . . . . . . . . 43 V Output Current, IO . . . . . . . . . . . 1.5 A* Enable Input Voltage, VOE . . . . . . . . . . . 6 V Junction Temperature, TJ . . . . +125°C Storage Temperature Range, TS . . . . . . . . . . . . -40°C to +125°C * Output current rating is limited by input voltage, duty cycle, and ambient temperature. Under any set of conditions, do not exceed a junction temperature of +125°C. Always order by complete part number, e.g., SI-8090JD-TL , where “-TL” indicates tape and reel.
