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Fairchild Semiconductor Electronic Components Datasheet

FAN2110 Datasheet

Integrated Synchronous Buck Regulator

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August 2009
FAN2110 — TinyBuck™
3-24V Input, 10A, High-Efficiency, Integrated
Synchronous Buck Regulator
Features
ƒ Wide Input Voltage Range: 3V-24V
ƒ Wide Output Voltage Range: 0.8V to 80% VIN
ƒ 10A Output Current
ƒ 1% Reference Accuracy Over Temperature
ƒ Over 93% Peak Efficiency
ƒ Programmable Frequency Operation: 200KHz to
600KHz
ƒ Fully Synchronous Operation with Integrated
Schottky Diode on Low-Side MOSFET Boosts
Efficiency
ƒ Internal Bootstrap Diode
ƒ Power-Good Signal
ƒ Starts up on Pre-Bias Outputs
ƒ Accepts Ceramic Capacitors on Output
ƒ External Compensation for Flexible Design
ƒ Programmable Current Limit
ƒ Under-Voltage, Over-Voltage, and Thermal
Shutdown Protections
www.DataShƒeet4IUn.tceormnal Soft-Start
ƒ 5x6mm, 25-Pin, 3-Pad MLP Package
Applications
ƒ Servers & Telecom
ƒ Graphics Cards & Displays
ƒ Computing Systems
ƒ Point-of-Load Regulation
ƒ Set-Top Boxes & Game Consoles
Description
The FAN2110 TinyBuck™ is a highly efficient, small
footprint, constant frequency, 10A integrated
synchronous Buck regulator.
The FAN2110 contains both synchronous MOSFETs
and a controller/driver with optimized interconnects in
one package, which enables designers to solve high-
current requirements in a small area with minimal
external components. Integration helps to minimize
critical inductances making component layout simpler
and more efficient compared to discrete solutions.
The FAN2110 provides for external loop compensation,
programmable switching frequency, and current limit.
These features allow design flexibility and optimization.
High frequency operation allows for all ceramic
solutions.
The summing current mode modulator uses lossless
current sensing for current feedback and over-current
protection. Voltage feedforward helps operation over a
wide input voltage range.
Fairchild’s advanced BiCMOS power process,
combined with low-RDS(ON) internal MOSFETs and a
thermally efficient MLP package, provide the ability to
dissipate high power in a small package.
Output over-voltage, under-voltage, and thermal
shutdown protections help protect the device from
damage during fault conditions. FAN2110 also prevents
pre-biased output discharge during startup in point-of-
load applications.
Related Application Notes
AN-8022 — TinyCalc™ Calculator
Ordering Information
Operating
Part Number Temperature Range
FAN2110MPX
FAN2110EMPX
-10°C to 85°C
-40°C to 85°C
Package
Molded Leadless Package (MLP) 5x6mm
Molded Leadless Package (MLP) 5x6mm
Eco
Status
Green
Green
Packing
Method
Tape and Reel
Tape and Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2008 Fairchild Semiconductor Corporation
FAN2110 • Rev. 1.0.2
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

FAN2110 Datasheet

Integrated Synchronous Buck Regulator

No Preview Available !

Typical Application
Block Diagram
www.DataSheet4U.com
Figure 1. Typical Application Diagram
© 2008 Fairchild Semiconductor Corporation
FAN2110 • Rev. 1.0.2
Figure 2. Block Diagram
2
www.fairchildsemi.com


Part Number FAN2110
Description Integrated Synchronous Buck Regulator
Maker Fairchild Semiconductor
Total Page 17 Pages
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