Datasheet for LT3905EUD#PBF:
- Manufacturer Part Number : LT3905EUD#PBF
- Manufacturer : AD
- Description : Boost DC/DC Converter with APD Current Monitor IC
- Series : LT3905
- Reference Price : USD 2.04
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Up (Boost) Regulators
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP)
- Pins : 16
- MFG Package Case : 05-08-1691
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 121
- Working Temperature : -40 to 125C
- Other Part Number : LT3905EUD#PBF
- 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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The LT3905 is a fixed frequency current-mode step-up converter designed to bias avalanche photodiodes (APD) in optical receivers. The LT3905 features high side APD current monitoring over four decades of dynamic range with better than 2% relative accuracy over the 3μA to 3mA range.
The maximum APD current is programmed with a single resistor, and a fast current limiter with indicator protects the APD during overload conditions. Adjustable output voltage provides dynamic bias control, and an adjustable loss-of-signal indicator flags low APD current.
Coupled with the integrated DMOS power switch and Schottky rectifier, the LT3905 provides a compact total solution with few external components and low solution cost. Constant switching frequency results in predictable output noise that is easy to filter.
The LT3905 is available in the tiny footprint (3mm × 3mm) 16-Lead QFN Package.
Applications
- APD Bias
- PIN Diode Bias
- Optical Receivers and Modules
- Fiber Optic Network Equipment
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.
