L79852A step-down switching regulator
The L7985/A is a step-down switching regulator with a 2.5 A (minimum) current limited 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 38 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.
The QFN and the HSOP packages with exposed pad allow the reduction of RthJAdown to 60 °C/W and 40 °C/W respectively.
- 2 A DC output current
- 4.5 V to 38 V input voltage
- Output voltage 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
- VFQFPN 3 x 3 - 10L and HSOP8 package
DS8733: 2 A step-down switching regulator
Design Notes & Tips
DN0011: ST1S03 alternative topology: Using a buck in a negative buck-boost configuration
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Sample & BuyTop
|Part Number||Marketing Status||Package||Packing Type||Automotive Grade||Order From ST||Unit Price (US$)*|
|Distributor Availability||RoHS Compliance Grade||Download
|L7985ATR||Active||PowerSO-8||Tape And Reel||_||-||.664|
|L7985TR||Active||VDFPN 10 3x3x1.0||Tape And Reel||_||-||.63|
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