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Description
The SG3845GS is a control IC that is optimized for off-line fixed frequency, current-mode switching power supplies. It offers a range of features including improved line regulation, load regulation, pulse-by-pulse current limiting, and protection of the power supply output switch.
Specifications and features
- Low start-up current (<1mA)
- Automatic feed forward compensation
- Trimmed oscillator discharge current
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Under-voltage lockout with 6V hysteresis (SG1844 only)
- Double pulse suppression
- High-current totem-pole output
- Internally trimmed bandgap reference
- 500kHz operation
- Undervoltage lockout SG1844 - 16 volts SG1845 - 8.4 volts
- Low shoot-through current <75mA over temperature
Application Scenarios
The SG3845GS control IC is commonly used in off-line fixed frequency, current-mode switching power supplies. It is suitable for various applications such as power adapters, LED lighting, and industrial power systems.
Comparison
Advantages- Optimized for off-line control
- Low start-up current
- Automatic feed forward compensation
- Trimmed oscillator discharge current
- Pulse-by-pulse current limiting
- Enhanced load response characteristics
- Under-voltage lockout with 6V hysteresis (SG1844 only)
- Double pulse suppression
- High-current totem-pole output
- Internally trimmed bandgap reference
- 500kHz operation
- Undervoltage lockout SG1844 - 16 volts SG1845 - 8.4 volts
- Low shoot-through current <75mA over temperatureDisadvantages- N/A -
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Datenblatt
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Shopping guide
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
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Beliebte Teile der gleichen Art
- Datasheet: Download SG3845GS
- Chipdaten Teil: CD94-SG3845GS
- Lagerhaus: China, Hongkong
- Versenden: Innerhalb von 24 Stunden
- Kostenloser Versand: Yes
- Bevorzugter Versand: Yes, 3-5 days
- Letzte Aktualisierung: 2024/10/01 00:57 +0800
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DHL(www.dhl.com)
Zeitlich begrenztes Angebot im Wert von 40 $. -
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Registered Mail(www.singpost.com)
Kostenloser Versand ohne Mindestbestellwert.