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TB62752AFUG Datasheet(Fiches technique) 3 Page - Marktech Corporate

Numéro de pièce TB62752AFUG
Description  Step Up Type DC/DC Converter for White LED
Télécharger  6 Pages
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Fabricant  MARKTECH [Marktech Corporate]
Site Internet  http://www.marktechopto.com
Logo MARKTECH - Marktech Corporate

TB62752AFUG Datasheet(HTML) 3 Page - Marktech Corporate

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TB62752AFUG
2005-08-5
3
TENTATIVE
Absolute Maximum Ratings (Topr = 25°C if without notice)
Characteristics
Symbol
Ratings
Unit
Power Supply Voltage
VIN
−0.3 to +6.0
V
Input Voltage
VSHDN
−0.3 to +VIN + 0.3
V
Switching Terminal Voltage
Vo (SW)
-0.3 to 40
V
Switching Terminal Current
Io (SW)
1500
mA
0.41 (Device)
Power Dissipation
PD
0.47 (on PCB) Caution 2
W
300 (Device)
Thermal Resistance
Rth (j-a)
260 (on PCB)
°C/W
Operation Temperature Range
Topr
−40 to +85
°C
Storage Temperature Range
Tstg
−55 to +150
°C
Maximum Junction Temperature
Tj
150
°C
Caution 2:
Power Dissipation must be calculated with subtraction of 3.8 mW/°C from Maximum Rating
with every 1°C if Topr is upper 25°C. (on PCB)
Recommended Operating Condition (Ta = -40°C to 85°C if without notice)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ
Max
Unit
Power Supply Voltage
VIN
-
2.8
-
5.5
V
LED Current (Average Value)
Io1
-
VIN
= 3.6 V, RSENS=15Ω
4LEDs, Topr = 25
°C
-
20
-
mA
Electrical Characteristics
(Ta
= 25°C, V
IN=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
IIN (On)
VIN=3.6V, RSENS=15Ω
-
TBD
-
mA
Quiescent Consumption Current
IIN (Off)
VIN=3.6V,VSHDN=0V
-
0.5
1.0
µA
SHDN Terminal '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
-
0
1.0
µA
Integrated MOS-Tr
Switching Frequency
fOSC
VIN=3.6V,VSHDN=3.6V
0.77
1.1
1.43
MHz
Switching Terminal Current
IoZ (SW)
-
-
600
-
mA
Switching Terminal Leak Current
Ioz (SW)
-
-
0.5
1
µA
FB Terminal Feedback Voltage
(VFB)
VFB
VIN=3.6V, RSENS=15Ω
Topr=25°C, L=22µH
285
300
315
mV
FB Terminal Line Regulation
∆VFB
VIN=3.6V center
VIN=3.0 to 5.0V
-5
-
5
%
FB Terminal Current
IoZ (SW)
-
-
TBD
-
µA
OVD terminal Voltage
VOVD
-
34.5
37
39.5
V
OVD Terminal Leakage Current
IOVDZ
VOVD=30V
-
0.5
1
µA


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