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FP6329ASOGTR Datasheet(PDF) 5 Page - Fitipower Integrated Technology Inc.

Part # FP6329ASOGTR
Description  Synchronous Buck PWM DC-DC Controller
PDF  16 Pages
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Manufacturer  FITIPOWER [Fitipower Integrated Technology Inc.]
Direct Link  http://www.fitipower.com/en_US/index.asp
Logo FITIPOWER - Fitipower Integrated Technology Inc.

FP6329ASOGTR Datasheet(HTML) 5 Page - Fitipower Integrated Technology Inc.

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FP6329/A/B-1.0-APR-2010
FP6329/A
85T
fitipower integrated technology lnc.
Electrical Characteristics
(VCC=12V, TA=25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT
VCC Under Voltage Lockout
VUVLO
VCC rising
3.9
4.1
4.3
V
UVLO Hysteresis
VCC falling
0.45
V
Quiescent Current
ICC
UGATE and LGATE open
5
mA
ERROR AMPLIFIER
Feedback Voltage
VFB
0.591
0.6
0.609
V
FB Input Bias Current
IFB
VFB=1V
0.1
µA
Open Loop DC gain (Note2)
AO
88
dB
Open Loop Bandwidth (Note2)
BW
15
MHz
Slew Rate (Note2)
SR
9
V/μs
OSCILLATOR
Frequency
FOSC
FP6329
270
300
330
kHz
FP6329A
540
600
660
Ramp Amplitude (Note2)
△VOSC
1.5
Vp-p
GATE DRIVERS
Upper Gate Source Current
(Note2)
IUGATE
VBOOT=12V,
VUGATE -VPHASE=2V
2.6
A
Upper Gate Sink Impedance
RUGATE
VBOOT=12V, IUGATE =0.1A
1.6
Ω
Lower Gate Source Current
(Note2)
ILGATE
VVCC=12V, VLGATE =2V
4.9
A
Lower Gate Sink Impedance
RLGATE
VVCC =12V, ILGATE =0.1A
1.25
Ω
Dead Time (Note2)
TDT
100
ns
PROTECTION
FB Under-Voltage Trip
FB falling
40
50
60
%
FB Over-Voltage Trip
125
%
OCSET Current Source
IOCSET
19.5
21.5
23.5
µA
Disable Threshold
VDISABLE
COMP/SD falling
0.3
0.4
0.5
V
Note 2：The specification is guaranteed by design, not production tested.



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