SLB628 High Efficiency 1.2MHz 2A Step Up Converter
GENERAL DESCRIPTION
The SLB628 is a constant frequency, 6-pin SOT23
current mode step-up converter intended for small,
low power applications. The SLB628 switches 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 SLB628 features automatic shifting to pulse
frequency modulation mode at light loads. The
SLB628 includes under-voltage lockout, current
limiting, and thermal overload protection to prevent
damage in the event of an output overload. The
SLB628 is available in a small 6-pin SOT-23
package.
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
up to 96% 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
TYPICAL APPLICATION
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