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HSW-EUP3286F Ver1
6A, 30V, Synchronous Step-Down Converter with Programmable Frequency
DESCRIPTION
The EUP3286F is a synchronous, step-down constant
on-time buck regulator capable of driving 6A
continuous load current. The EUP3286F can operate
with an input range from 4.5V to 30V and the output
can be externally set down to 0.8V. The EUP3286F
provides excellent transient response with constant on
time control method while maintaining a nearly
constant frequency. The switching frequency can be
externally programmed from 100KHz to 1MHz.
Fault condition protection includes VIN under-voltage
lockout, cycle-by-cycle current limiting, output over
voltage protection, output under-voltage protection, as
well as thermal shutdown. Internal soft-start minimizes
the inrush supply current and the output overshoot at
initial startup.
The EUP3286F is available in a 4mm x 4mm TQFN-23
package.
Typical Application Circuit
FEATURES
Wide Input Voltage Range: 4.5V to 30V
6A Output Current
Excellent Line and Load Transient
Responses
Integrated 30mΩ N-Channel MOSFET for
High Side
Integrated 15mΩ N-Channel MOSFET for
Low Side
Programmable PWM Frequency from
100KHz to 1MHz
Internal Soft-Start
Selectable Forced PWM or Automatic
PFM/PWM Mode
Power Good Monitoring
Under-Voltage Protection
Over-Voltage Protection
Cycle-by-Cycle Current Limit
Over-Temperature Protection
Available in TQFN-23 4mmx4mm Package
RoHS Compliant and Halogen-Free
APPLICATIONS
Notebook
Mother Board
Table PC
Hand-Held Portable
AIO PC
Set-top boxes
LCD TV
Telecom/Networking/Datacom equipment
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