Datasheet for LT3470EDDB#WTRPBF:
- Manufacturer Part Number : LT3470EDDB#WTRPBF
- Manufacturer : AD
- Description : Micropower Buck Regulator with Integrated Boost and Catch Diodes IC
- Series : LT3470
- Reference Price : USD 2.088
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 8-Lead DFN (3mm x 2mm w/ EP)
- Pins : 8
- MFG Package Case : 05-08-1702
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 125C
- Other Part Number : LT3470EDDB#WTRPBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Low Quiescent Current: 26µA at 12VIN to 3.3VOUT
- Integrated Boost and Catch Diodes
- Input Range: 4V to 40V
- Low Output Ripple: <10mV
- <1µA in Shutdown Mode
- Output Voltage: 1.25V to 16V
- 200mA Output Current
- Hysteretic Mode Control
- Low Ripple Burst Mode® Operation at Light Loads
- Continuous Operation at Higher Loads
- Solution Size as Small as 50mm2
- Low Profile (0.75mm) 3mm × 2mm Thermally Enhanced 8-Lead DD and 1mm ThinSOT Packages
- AEC-Q100 Qualified for Automotive Applications
The LT3470 is a micropower step-down DC/DC converter that integrates a 300mA power switch, catch diode and boost diode into low profile 3mm × 2mm DD and ThinSOT™ packages. The LT3470 combines Burst Mode and continuous operation to allow the use of tiny inductor and capacitors while providing a low ripple output to loads of up to 200mA.
With its wide input range of 4V to 40V, the LT3470 can regulate a wide variety of power sources, from 2-cell Li-Ion batteries to unregulated wall transformers and lead-acid batteries. Quiescent current in regulation is just 26µA in a typical application while a zero current shutdown mode disconnects the load from the input source, simplifying power management in battery-powered systems. Fast current limiting and hysteretic control protects the LT3470 and external components against shorted outputs, even at 40V input.
| Vin Min Startup | Switch Current | |
| LT3470 | 5.5V | 300mA |
| LT3470A | 4V | 400mA |
Applications
- Automotive Battery Regulation
- Power for Portable Products
- Distributed Supply Regulation
- Industrial Supplies
- Wall Transformer Regulation
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
