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FAN21SV06 — TinyBuck™ 6 A, 24 V Single-Input Integrated Synchronous Buck Regulator, Synchronization Capability
August 2014
FAN21SV06 — TinyBuck™
6 A, 24V Single-Input Integrated Synchronous Buck
Regulator with Synchronization Capability
Features
Single-Supply Operation with 6 A Output Current
Over 94% Efficiency
Fully Synchronous Operation with Integrated
Schottky Diode on Low-Side MOSFET Boosts
Efficiency
Single Supply Device for V
IN
> 6.5 V – 24 V
Programmable Frequency Operation (200-600 KHz)
Externally Synchronizable Clock with Master/Slave
Provisions
Wide Input Range with Dual Supply: 3.0 V to 24 V
Output Voltage Range: 0.8 V to 80%V
IN
Power-Good Signal
Accepts Ceramic Capacitors on Output
External Compensation for Flexible Design
Starts Up on Pre-Bias Outputs
Integrated Bootstrap Diode
Programmable Over-Current Protection
Under-Voltage, Over-Voltage, and Thermal-
Shutdown Protections
5 x 6 mm, 25-pin, 3-pad MLP
Description
The FAN210SV06 TinyBuck
TM
is a highly efficient,
small-footprint, programmable-frequency, 6 A integrated
synchronous buck regulator.
FAN21SV06 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, thereby saving cost. On-board internal 5 V
regulator enables single-supply operation for input
voltages >6.5 V.
The FAN21SV06 can be configured to drive multiple
slave devices OR synchronize to an external system
clock. In slave mode, FAN21SV06 may be set up to be
free-running in the absence of a master clock signal.
External compensation, programmable switching
frequency, and current-limit features allow for design
optimization and flexibility. High-frequency operation
allows for all ceramic solutions.
Fairchild’s advanced BiCMOS power process combined
with low-R
DS(ON)
internal MOSFETs and a thermally
efficient MLP package provide the ability to dissipate
high power in a small package. Integration helps to
minimize critical inductances making layout simpler and
more efficient compared to discrete solutions.
Output over-voltage, under-voltage, over-current and
thermal-shutdown protections help protect the device
from damage during fault conditions. FAN21SV06
prevents pre-biased output discharge during startup in
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