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FTD8203 Datasheet(PDF) 5 Page - First Silicon Co., Ltd

Part # FTD8203
Description  White LED Step-up Converter
PDF  13 Pages
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Manufacturer  FS [First Silicon Co., Ltd]
Direct Link  http://www.firstsilicon.co.kr/
Logo FS - First Silicon Co., Ltd

FTD8203 Datasheet(HTML) 5 Page - First Silicon Co., Ltd

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Electrical Characteristics
The following specifica�ons apply for VIN =3.6V (TA=25 oC, unless specified otherwise.)
Symbol
Parameter
Test Conditions
FTD8203
Unit
Min.
Typ.
Max.
VIN
Input Voltage
2.5
6
V
IDD1
Input DC Bias Current
VFB=0.4V,no switching
-
300
-
uA
IDD2
VFB=0V, switching
-
2
5
mA
ISD
EN=GND
-
-
1
uA
UVLO Threshold Voltage
VIN Rising
2.0
2.2
2.4
V
UVLO Hysteresis Voltage
VIN Falling
50
100
150
mV
VREF
Regulated Feedback Voltage
VIN=2.7V ~ 6V, TA = 25℃
0.185
0.2
0.215
V
VIN=2.7V ~ 6V, TA = -40 ~ 85℃
0.18
0.22
IFB
FB Input Current
-50
50
nA
FSW
Switching Frequency
1.25
1.5
1.75
MHz
RON
Power Switch On Resistance
0.2
Ω
ILIM
Power Switch Current Limit
2
A
LX Leakage Current
VEN = 0V, VLX = 0V or 6V, VIN = 6V
-1
1
uA
DMAX LX Maximum Duty Cycle
92
95
98
%
Over Voltage Threshold
VOUT Rising
FTD8203A
22
24
27.5
V
FTD8203B
14.5
16
20
Over Voltage Hysteresis
VOVP Falling
-
3
-
V
OVP Leakage
VOVP =20V
-
50
-
nA
Enable Voltage Threshold
VEN Rising
1
-
-
V
Shutdown Voltage Threshold
VEN Falling
-
-
0.4
V
EN Leakage Current
VEN = 0 ~ 6V, VIN = 6V
-2
-
2
uA
EN Minimum On Pluse Width
VEN = 0 ~ 6V, VIN = 6V, PWM
-
800
-
ns
TOTP
Over-Temperature Protec�on
TJ Rising
150
oC
Over-Temperature Protec�on
TJ Falling
40
oC
White LED Step-up Converter
2019. 02. 08
5/13
Revision No : 0
FTD8203



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