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SB6284 fiches techniques PDF

Shouding - High Efficiency 1.2MHz 2A Step Up Converter

Numéro de référence SB6284
Description High Efficiency 1.2MHz 2A Step Up Converter
Fabricant Shouding 
Logo Shouding 





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SB6284 fiche technique
FEATURES
• Integrated 80mΩ Power MOSFET
• 2V to 24V Input Voltage
• 1.2MHz Fixed Switching Frequency
• Internal 4A Switch Current Limit
• Adjustable Output Voltage
• Internal Compensation
• Up to 28V Output Voltage
• Automatic Pulse Frequency Modulation
Mode at Light Loads
SB6284
• up to 97% Efficiency
• Available in a 6-Pin SOT23-6 Package
APPLICATIONS
• Battery-Powered Equipment
• Set-Top Boxed
• LCD Bais Supply
• DSL and Cable Modems and Routers
• Networking cards powered from PCI
or PCI express slots
SSBB62682484
High Efficiency 1.2MHz
2A Step Up Converter
GENERAL DESCRIPTION
The SDBB6268248 iTshae cSoBn6s2ta8n4t friseqauecnocnys,ta6n-tpifnreSquOeTn2c3y,
current mode step-up converter intended for small,
low power applications. The SB6284 uswitches at
1.2MHz and allows the use of tiny, low cost
capacitors and inductors 2mm or less in height.
Internal soft-start results in small inrush current and
extends battery life.
The SB6284TfheeatSuBre6s2a8u4tofemaatuticresshifting to pulse
frequency modulation mode at light loads. The
SB6284incSlBud6e2s84 unindcelrude-vsoltaungederlockout, current
limiting, and thermal overload protection to prevent
damage in the event of an output overload. The
SB6284isSBa6v2a8i4labilse ainvaialabslemainll a6-psinmaSll OT-23
package.
TYPICAL APPLICATION
Efficiency
Figure 1. Basic Application Circuit
www.shouding.net
Iout (mA)
Figure 2. Efficiency Curve
1

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