STEVAL-ISA092V1:2 A step-down switching demonstration board based on the L7980
The STEVAL-ISA092V1 is a step-down switching power supply based on the L7980 in a QFN package.
The L7980 is a step-down switching regulator with embedded Power MOSFET, so it is able to deliver up to 2 A current to the load depending on the application conditions.
The input voltage can range from 4.5 V to 28 V, while the output voltage can be set starting from 0.6 V to VIN.
Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz.
Key Features
- 2 A DC output current
- 4.5 V to 28 V input voltage
- Output voltage: 3.3 V (adjustable from 0.6 V)
- 250 kHz switching frequency, programmable up to 1 MHz
- Internal soft-start and enable
- Low dropout operation: 100% duty cycle
- Voltage feed-forward
- Zero load current operation
- Overcurrent and thermal protection
- RoHS compliant
产品规格
Board Manufacturing Specifications
Bill of Materials
Schematic Packs
许可协议
样片和购买
型号 | Core Product | Unit Price (US$)
* | Quantity | ECCN (EU) | ECCN (US) | Country of Origin |
---|
STEVAL-ISA092V1 | L7980A | 30.63 | 1 | NEC | EAR99 | ITALY |
质量和可靠性
型号 | Package | Grade | RoHS Compliance Grade | Material Declaration** |
---|
STEVAL-ISA092V1 | CARD | Industrial | Ecopack2 | |