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PDF FP6715 Data sheet ( Hoja de datos )
| Número de pieza | FP6715 | |
| Descripción | 550KHz High Efficiency Low Ripple Synchronous Step-Up Converter | |
| Fabricantes | Fiti | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FP6715 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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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
1 page  
fitipower integrated technology lnc.
Electrical Characteristics
(VIN=3.3V, TA=25°C, unless otherwise specified.)
Parameter
Symbol
Conditions
Min
VIN Input Supply Voltage
VIN
2.5
Input UVLO Threshold
Under Voltage Lockout Threshold
Hysteresis
VIN Supply Current (Switching)
VIN Supply Current (No switching)
VIN Rising
VIN Falling
VIN=3.3V, VFB=0.8V
Measure VIN
VFB=1V
Feedback Voltage
VFB 2.5V≦VIN≦5.5V
0.784
High-Side PMOSFET RDS(ON)
Low-Side NMOSFET RDS(ON)
High-Side MOSFET Leakage
Current
Low-Side MOSFET Leakage Current
ILX(leak)
VLX=5.5V, VOUT=0V
VLX=5.5V
Oscillation Frequency
Switch Current Limit
FOSC
VIN=3.3V
450
2.5
Short Circuit Trip Point
Monitored FB voltage
Short Circuit Current Limit
VIN = 3.3V
Maximum Duty Cycle
DMAX
VIN=3.3V
85
Line Regulation
VIN=2.5V to 5.5V, IOUT=100mA
Load Regulation
IOUT=0A to 1A
OVP Threshold Voltage on OUT Pin
OVP Threshold Hysteresis
Internal Soft-Start Time
EN Input Low Voltage
VEN (L)
EN Input High Voltage
VEN (H)
1.4
EN Input Current
Thermal Shutdown Threshold
(Note 2)
Thermal Shutdown Hysteresis
Note 2：Not production tested.
IEN VIN=3.3V
TSD
FP6715
85T
Typ Max Unit
5.5 V
1.85 V
0.2 V
300 500
μA
25 μA
0.8 0.816
V
120 mΩ
80 mΩ
10 μA
10 μA
550 650 KHz
A
0.3 V
50 mA
90 %
1%
0.5 %
6V
500 mV
1 3 ms
0.4 V
V
2 μA
150 °C
30 °C
FP6715-Preliminary 0.1-MAY-2013
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet FP6715.PDF ] | |
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