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FTD1466 Datasheet(PDF) 4 Page - First Silicon Co., Ltd

Part # FTD1466
Description  60V 800mA 480KHz synchronous Buck Converter
PDF  7 Pages
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Manufacturer  FS [First Silicon Co., Ltd]
Direct Link  http://www.firstsilicon.co.kr/
Logo FS - First Silicon Co., Ltd

FTD1466 Datasheet(HTML) 4 Page - First Silicon Co., Ltd

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2019. 01. 04
4/7
Revision No : 0
FTD1466
Thermal Characteristics
Symbol
Parameter
Typical Value
Unit
θJA
Junction-to-Ambient Resistance in free air (Note 2)
SOT-23-6
250
°C/W
Note 2: θJA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Recommended Operation Conditions (Note3)
Symbol
Parameter
Range
Unit
VIN
VIN Supply Voltage
11 ~ 60
V
VOUT
Converter Output Voltage
VFB ~ VIN*90%
V
Operating Junction Temp
-40 ~ 125
oC
Note 3: Refer to the typical application circuit
Electrical Characteristics
Unless otherwise specified, these specifications apply over VIN=12V, VEN=3V and TA = 25℃
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VFB
Feedback Voltage
10V ≤ VIN ≤ 60V
0.792
0.812
0.832
V
IFB
Feedback Current
VFB = 0.85V
-
-
0.1
µ
A
RDS(ON) Switch-On Resistance
-
0.7
-
Ω
ISW_LKG Switch Leakage
VEN=0V,VSW=0V
-
-
1
µ
A
ILIM
Current Limit
-
1.25
-
A
fSW
Oscillator Frequency
VFB=0.6V
380
480
580
kHZ
fSW_F
Foldback Frequency
VFB=0V
-
120
-
KHZ
DMAX
Maximum Duty Cycle
VFB=0.6V
-
90
-
%
TON
Minimum ON-Time
-
100
-
ns
VUVLO_R
Under-Voltage Lockout
Threshold, Rising
-
7.5
8.5
V
VUVLO_F
Under-Voltage Lockout
Threshold, Falling
-
7.1
-
V
VUVLO_HYS
Under-Voltage Lockout
Threshold,Hysteresis
-
0.4
-
V
VEN_R
EN Threshold, Rising
-
1.35
-
V



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