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The L5980 is a step-down switching regulator with a 1 A (min.) current limited embedded Power MOSFET, so it is able to deliver in excess of 0.7 A DC current to the load depending on the application condition.
The input voltage can range from 2.9 V to 18 V, while the output voltage can be set starting from 0.6 V to VIN. Having a minimum input voltage of 2.9 V, the device is suitable also for a 3.3 V bus.
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 VFQFPN8 package with an exposed pad allows reducing the RthJAdown to approximately 60 °C/W.Key Features
- 0.7 A DC output current
- 2.9 V to 18 V input voltage
- Output voltage adjustable from 0.6 V
- 250 kHz switching frequency, programmable up to 1 MHz
- Internal soft-start and inhibit
- Low dropout operation: 100% duty cycle
- Voltage feedforward
- Zero load current operation
- Overcurrent and thermal protection
- VFQFPN8 3 x 3 mm package
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Evaluation Tools
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Picture Part number Manufacturer Description EVAL5980 -- L5980, 0.7 A step-down switching regulator, evaluation board 
STEVAL-ISA154V1 -- 0.7 A step-down switching regulator evaluation board based on the L5980 Part NumberL5980, 0.7 A step-down switching regulator, evaluation board
0.7 A step-down switching regulator evaluation board based on the L5980
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L5980TR | Active | DFN8 3x3 | Industrial | Ecopack2 | |
L5980TR
Package:
DFN8 3x3Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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Sample & Buy
| Part Number | Order from Distributors | Order from ST | Package | Packing Type | Marketing Status | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|
| L5980TR | 3 distributors | DFN8 3x3 | Tape And Reel | Active | EAR99 | PHILIPPINES | 0.869 / 1k |
L5980TR
Package
DFN8 3x3Packing Type
Tape And ReelBudgetary Price (US$)*/Qty
0.869 / 1k(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
