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KAB3405T Datasheet(PDF) 3 Page - KEC(Korea Electronics)

Part No. KAB3405T
Description  Step Up Type DC/DC Converter for White LED
Download  6 Pages
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Maker  KEC [KEC(Korea Electronics)]
Homepage  http://www.keccorp.com
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KAB3405T Datasheet(HTML) 3 Page - KEC(Korea Electronics)

   
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2008. 3. 10
3/6
KAB3405T
Revision No : 2
MAXIMUM RATINGS (Ta = 25 C if without notice)
Characteristics
Symbol
Ratings
Unit
Power Supply Voltage
VIN
-0.3 to +6.0
V
Input Voltage
VIN(SHDN)
-0.3 to +VIN + 0.3
V
Switching Terminal Voltage
VO (SW)
-0.3 to 40
V
Switching Terminal Current
IO (SW)
1500
mA
Power Dissipation
PD
0.41 (Device)
W
0.47(on PCB)Caution 2
Thermal Resistance
Rth(j-a)
300(Device)
/W
260(on PCB)
Operation Temperature Range
Topr
-40 to +85
Storage Temperature Range
Tstg
-55 to +150
Maximum Junction Temperature
Tj
150
Caution 2: Power Dissipation must be calculated with subtraction of 3.8 mW/ C from Maximum
Rating with every 1
if Topr is upper 25 C. (on PCB)
ELECTRICAL CHARACTERISTICS (Ta = 25
, VIN=2.8V to 5.5V if without notice)
Characteristics
Symbol
Test Condition
Min
Typ
Max
Unit
Input Voltage Range
VIN
-
2.8
-
5.5
V
Operating Consumption Current
IN(ON)
VIN=3.6V, RSENS=15
-
0.6
0.9
mA
Quiescent Consumption Current
IN(Off)
VIN=3.6V,VSHDN=0V
-
0.5
1.0
SHDNTerminal ’H’ Level Input Voltage
VSHDNH
-
1.3
-
VIN
V
SHDN Terminal ’L’ Level Input Voltage
VSHDNL
-
0
-
0.4
V
SHDN Terminal Current
ISHDN
VIN=3.6V,VSHDN=3.6V or 0V
-
0
1.0
Integrated MOS-Tr Switching requency
fOSC
VIN=3.6V,VSHDN=3.6V
0.77
1.0
1.43
MHz
Switching Terminal Leak Current
IOZ(SW)
-
-
0.5
1
FB Terminal Feedback Voltage (VFB)
VFB
VIN=3.6V, RSENS=15
, Ta=25 C, L=22 H
285
300
315
mV
VIN=4.2V, RSENS=15
, Ta=25 C, L=22 H
285
300
315
mV
FB Terminal Line Regulation
VFB
VIN=3.6V center VIN=3.0 to 5.0V
-5
-
5
%
FB Terminal Current
IFB
VIN=3.6V, VSHDN=3.6V, VFB=300mV
-
0.02
-
OVD terminal Voltage
VOVD
-
35
38
39.5
V
OVD Terminal Leakage Current
IOVD
VOVD=30V
-
0.5
1


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