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Fiti - 550KHz High Efficiency Low Ripple Synchronous Step-Up Converter

Numéro de référence FP6715
Description 550KHz High Efficiency Low Ripple Synchronous Step-Up Converter
Fabricant Fiti 
Logo Fiti 





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FP6715 fiche technique
fitipower integrated technology lnc.
FP6715
5V, 2.5A, 550KHz High Efficiency Low Ripp8l5eT
Synchronous Step-Up Converter
Description
The FP6715 is a high efficiency, fixed frequency
550KHz, current mode PWM boost DC/DC converter
which could operate battery such as input voltage
down to 2.5V. The converter output voltage can be
adjusted to a maximum of 5.25V by an external
resistor divider. Besides the converter includes a
0.08Ω N-channel MOSFET switch and 0.12Ω
P-channel synchronous rectifier. So no external
Schottky diode is required and could get better
efficiency near 93%.
The converter is based on a fixed frequency, current
mode, pulse-width-modulation PWM controller that
goes automatically into PSM mode at light load.
When converter operation into discontinuous mode,
the internal anti-ringing switch will reduce
interference and radiated electromagnetic energy.
The FP6715 is available in a space-saving SOT-23-6
package for portable application.
Features
High Efficiency up to 93%
Low RDS(ON) Integrated Power MOSFET
NMOS 80mΩ / PMOS120mΩ
Wide Input Voltage Range: 2.5V to 5.5V
Fixed 550KHz Switching Frequency
Low-Power Mode for Light Load Conditions
±2.0% Voltage Reference Accuracy
PMOS Current Limit for Short Circuit Protection
Low Quiescent Current
Output Ripple under 200mV. (Scope Full
Bandwidth)
Fast Transient Response
Built-In Soft Start Function
Over-Temperature Protection with Auto Recovery
Output Overvoltage Protection
Space-Saving SOT-23-6 Package
Applications
Portable Power Bank
Wireless Equipment
Handheld Instrument
GPS Receiver
Pin Assignments
S6 Package (SOT-23-6)
VIN OUT EN
654
(Marking)
123
LX GND FB
Figure 1. Pin Assignment of FP6715
Ordering Information
FP6715□□□
TR: Tape/Reel
C: Green
Package Type
S6: SOT-23-6
SOT-23-6 Marking
Part Number
FP6715S6CTR
Product Code
D6G
FP6715-Preliminary 0.1-MAY-2013
1

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