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PDF FP6733 Data sheet ( Hoja de datos )
| Número de pieza | FP6733 | |
| Descripción | Step-up DC/DC Converter | |
| Fabricantes | Fiti | |
| Logotipo |  |
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fitipower integrated technology lnc.
FP6733
PWM Controlled, Step-up DC/DC
Converter in Tiny Package
Description
The FP6733 is a high efficiency PWM DC/DC
step-up converter with internal compensated current
mode controller. The output voltage is set by using
two external resistors. The 550kHz switching
frequency
minimizes the size of external
components. Both internal 1A switch and driver for
driving external power device (NMOS or NPN) are
provided.
The FP6733 starts up below 1V input voltage with
1mA load. Due to built-in automatic PWM/PFM
switch-over function, the FP6733 is able to get high
efficiency during both light and heavy load.
External transistor pin is available to accommodate
high output current applications.
The FP6733 is available in SOT-23-6 and
TSOT-23-6 packages.
Features
0.9V (Typ.) Low Start-up Input Voltage at 1mA
Load
High Switching Frequency at 550kHz
Provide Flexibility for Using Internal and External
Power Switches
Automatic PFM Mode at Light Load
Low Ripple and High Efficiency
Excellent Line/Load Regulation
Chip Enable Control Function
Current Limit Protection
Thermal Overload Protection
Space Saving Packages: SOT-23-6 and
TSOT-23-6
Applications
PDA
MP3
DSC
RF Tag
Wireless Equipment
Portable Equipment
Pin Assignments
S6 Package (SOT-23-6)
FB VDD LX
654
(Marking)
123
CE EXT GND
S9 Package (TSOT-23-6)
FB VDD LX
654
(Marking)
123
CE EXT GND
Figure1. Pin Assignment of FP6733
Ordering Information
FP6733□□□
TR: Tape/Reel
G: Green
Package Type
S6: SOT-23-6
S9: TSOT-23-6
SOT-23-6 Marking
Part Number
FP6733S6G
TSOT-23-6 Marking
Part Number
FP6733S9G
Product Code
AA=
Product Code
aa=
FP6733-1.6-JUN-2013
1
1 page  
fitipower integrated technology lnc.
Typical Performance Curves
FP6733
Figure 4. Operation Voltage vs. En Pin Trip Level
Figure 5. Operation Voltage vs. EXT NMOS Resistance
Figure 6. Operation Voltage vs. Max Duty
350
300
250
200
150
100
50
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0
Input Voltage (V)
Figure 8. Input Voltage vs. Input Current
FP6733-1.6-JUN-2013
Figure 7. Operation Voltage vs. LX On Resistance
Figure 9. Operation Voltage vs. Switch Current
5
5 Page 
fitipower integrated technology lnc.
FP6733
Outline Information (Continued)
TSOT-23-6 Package (Unit: mm)
SYMBOLS
UNIT
A
A1
A2
B
D
E
E1
e
e1
L
DIMENSION IN MILLIMETER
MIN MAX
0.70 0.90
0.00 0.10
0.70 1.00
0.30 0.50
2.80 3.00
2.60 3.00
1.50 1.70
0.90 1.00
1.80 2.00
0.30 0.60
Carrier Dimensions
Life Support Policy
Fitipower’s products are not authorized for use as critical components in life support devices or other medical systems.
FP6733-1.6-JUN-2013
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet FP6733.PDF ] | |
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