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HSW-EUP3288F Ver1
DESCRIPTION
The EUP3288F is a synchronous, step-down constant
on-time buck regulator capable of driving 8A
continuous load current. The EUP3288F can operate
with an input up to 30V and the output can be
externally set down to 0.8V. The EUP3288F 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 EUP3288F is available in a 4mm x 4mm TQFN-23
package.
Typical Application Circuit
FEATURES
Wide Input Voltage Range: 4.5V to 30V
8A Output Current
Excellent Line and Load Transient
Responses
Integrated 23mΩ N-Channel MOSFET for
High Side
Integrated 13mΩ 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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