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UC3901N
- Manufacturer's Part No.:UC3901N
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- Description:IC ISOLATED FB GENERATOR 14-DIP
- Quantity:RFQAdd to RFQ List
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- In Stock: 1000
- Available: 14543
Reference Price(In US Dollars)
Qty | Unit Price | Ext.Price |
---|---|---|
1+ | US $2.88000 | US $2.88 |
10+ | US $1.92000 | US $19.20 |
30+ | US $1.44000 | US $43.20 |
100+ | US $1.15200 | US $115.20 |
500+ | US $1.05600 | US $528.00 |
1000+ | US $0.96000 | US $960.00 |
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- Description
- Alternatives
- Shopping Guide
The UC1901 family is designed to solve many of the problems associated with closing a feedback control loop across a voltage isolation boundary. As a stable and reliable alternative to an optical coupler, these devices feature an amplitude modulation system which allows a loop error signal to be coupled with a small RF transformer or capacitor.
The programmable, high-frequency oscillator within the UC1901 series permits the use of smaller, less expensive transformers which can readily be built to meet the isolation requirements of today's line-operated power systems. As an alternative to RF operation, the external clock input to these devices allows synchronization to a system clock or to the switching frequency of a SMPS. An additional feature is a status monitoring circuit which provides an activelow output when the sensed error voltage is within ±10% of the reference.
The DRIVERA output, DRIVERB output, and STATUS output are disabled until the input supply has reached a sufficient level to allow proper operation of the device. Since these devices can also be used as a DC driver for optical couplers, the benefits of 4.5 to 40V supply operation, a 1% accurate reference, and a high gain general purpose amplifier offer advantages even though an AC system may not be desired.
Features
• An Amplitude-Modulation System for Transformer Coupling an Isolated Feedback Error Signal
• Low-Cost Alternative to Optical Couplers
• Internal 1% Reference and Error Amplifier
• Internal Carrier Oscillator Usable to 5MHz
• Modulator Synchronizable to an External Clock
• Loop Status Monitor Applications SONET/SDHNetworkingSD/HD videoTest and measurementClock and data recoveryFPGA/ASIC clock generation
Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.
SHIPPING GUIDE
Shipping Methods
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Shipping Cost
Shipping starts at $40 but varies for destinations like South Africa, Brazil, India, and more. The actual shipping charges depend on time zone, country, and package weight/volume.
Delivery Time
We ship orders once daily, around 5 p.m., except on Sundays. The estimated delivery time may vary depending on the courier service you choose, but typically ranges from 5 to 7 business days.
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