SI9108DN - Brand New Teledyne Relays IC Chips
In Stock:729 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
729,
Ready for Immediate Shipping
Marke:Teledyne Relays
Kategorie:IC Chips
Chipdatas Teilenummer:CD94-SI9108DN
Hersteller-Teile-Nr.:SI9108DN
Datumscode:09+
Paket:PLCC
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Description
Si9108DN is a current mode PWM controller for ISDN power supplies. In a 14-pin SOIC package, it provides all necessary functions to implement a single-switch PWM with a minimum of external parts. To maximize the circuit integration, the Si9108DN is designed with a 200-V depletion mode MOSFET capable of powering directly off the high input bus without an external start-up circuit. The Start and Stop input voltage thresholds can be programmed within the operating input voltage range by means of a resistor divider, provided +VIN (Start) > +VIN (Stop).
Specifications and features
- BiC/DMOS Technology
- Current Mode Control
- Max 50% Duty Cycle Operation
- 1.3-MHz Error Amp
- Up to 500-kHz Internal Oscillator
- Soft-Start
- 0.6-V Fast Over-Current Protection
- <5-µA Supply Current for +VIN <18 V
- 23.5-V to 200-V Input Voltage Range
- Programmable Start/Stop Capability
- Internal Start-Up Circuit
- Power_Good Output
Application Scenarios
The Si9108DN PWM controller can be used in various power supply applications, particularly in the field of ISDN power supplies.
Comparison
Advantages- Integration of necessary functions reduces the need for additional external parts
- Designed with a 200-V depletion mode MOSFET for direct power off the high input bus
- Programmable Start/Stop capability for flexible voltage threshold settings
- Internal start-up circuit eliminates the need for an external start-up circuit
- Power_Good output for monitoring power supply status
Disadvantages- Not suitable for applications requiring duty cycle operation higher than 50%
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Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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Weitere Informationen
- Datasheet: Download SI9108DN
- Chipdaten Teil: CD94-SI9108DN
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/10/01 01:04 +0800
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