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FP6790MSGTR Datasheet(PDF) 4 Page - Fitipower Integrated Technology Inc.

Part # FP6790MSGTR
Description  Low-Noise Boost DC-DC Converter
PDF  8 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.

FP6790MSGTR Datasheet(HTML) 4 Page - Fitipower Integrated Technology Inc.

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FP6790-1.5-JAN-2012
4
FP6790
85T
fitipower integrated technology lnc.
Electrical Characteristics
(VIN=3V, SHDN=3V, FREQ=GND, TA=25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
INPUT
Operation Voltage Range
VIN
2.6
5.5
V
VIN Under Voltage Lockout
UVLO
VIN rising,
typical hysteresis is 100mV
2.25
2.38
2.52
V
Quiescent Current
IIN
VFB=1.3V, not switching
160
350
µA
VFB=1V, switching
0.8
5
mA
Shutdown Current
ISD
SHDN=0V
0.1
10
µA
ERROR AMPLIFIER
Feedback Voltage
VFB
1.222
1.24
1.258
V
FB Input Bias Current
IFB
VFB=1.24V
40
nA
Feedback Line Regulation
2.6V< VIN <5.5V
0.08
0.3
%/V
Transconductance (Note2)
gm
∆I =5µA
70
170
240
µS
Voltage Gain (Note2)
AV
700
V/V
OSCILLATOR
Frequency
FOSC
FREQ=GND
540
640
740
kHz
FREQ=VIN
1000
1200
1500
kHz
Maximum Duty Cycle
TDUTY
FREQ=GND
79
85
92
%
FREQ=VIN
84
%
N-CHANNEL SWITCH
Current Limit (Note2)
ILIM
1.2
1.6
2.3
A
On-Resistance (Note2)
RON
ILX= 200mA
0.25
0.5
Ω
Leakage Current
ILXOFF
VLX=12V
0.01
20
µA
SOFT-START
Reset Switching Resistance
100
Ω
Charge Current
ISS
VSS=1.2V
1.5
4
7
µA
CONTROL INPUTS
Input High Level
VIH
SHDN, FREQ
0.7*VI
N
V
Input Low Level
VIL
SHDN, FREQ
0.3*VI
N
V
Hysteresis
SHDN, FREQ
0.1*VI
N
V
Frequency Pull-down Current
IFREQ
1.8
5
9
µA
SHDN Input Current
I
0.001
1
µA
PROTECTION
Thermal Shutdown Temperature
(Note2)
TSD
140
°C
 TSD
Hysteresis
25
°C
Note 2：Guarantee by design
SHDN



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