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| TB62752AFUG Datasheet, PDF (3/6 Pages) Marktech Corporate – Step Up Type DC/DC Converter for White LED | |||
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TENTATIVE TB62752AFUG
Absolute Maximum Ratings (Topr = 25°C if without notice)
Characteristics
Symbol
Ratings
Unit
Power Supply Voltage
Input Voltage
Switching Terminal Voltage
Switching Terminal Current
Power Dissipation
VIN
VSHDN
Vo (SW)
Io (SW)
PD
Thermal Resistance
Rth (j-a)
Operation Temperature Range Topr
Storage Temperature Range
Tstg
Maximum Junction Temperature Tj
â0.3 to +6.0
â0.3 to +VIN + 0.3
-0.3 to 40
1500
0.41 (Device)
0.47 (on PCB) Caution 2
300 (Device)
260 (on PCB)
â40 to +85
â55 to +150
150
V
V
V
mA
W
°C/W
°C
°C
°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
Power Supply Voltage
LED Current (Average Value)
Symbol
Test
Circuit
Test Condition
Min Typ Max Unit
VIN
-
2.8
-
5.5
V
Io1
-
VIN = 3.6 V, RSENS=15â¦
4LEDs, Topr = 25°C
-
20
- mA
Electrical Characteristics (Ta = 25°C, VIN=2.8V to 5.5V if without notice)
Characteristics
Symbol
Input Voltage Range
VIN
Operating Consumption Current IIN (On)
Quiescent Consumption Current IIN (Off)
SHDN Terminal 'H' Level
Input Voltage
SHDN Terminal 'L' Level
Input Voltage
VSHDNH
VSHDNL
SHDN Terminal Current
ISHDN
Integrated MOS-Tr
Switching Frequency
fOSC
Switching Terminal Current
IoZ (SW)
Switching Terminal Leak Current Ioz (SW)
FB Terminal Feedback Voltage
(VFB)
VFB
FB Terminal Line Regulation
âVFB
FB Terminal Current
OVD terminal Voltage
OVD Terminal Leakage Current
IoZ (SW)
VOVD
IOVDZ
Test Condition
VIN=3.6V, RSENS=15â¦
VIN=3.6V,VSHDN=0V
-
-
VIN=3.6V,VSHDN=3.6V
VIN=3.6V,VSHDN=3.6V
-
-
VIN=3.6V, RSENS=15â¦
Topr=25°C, L=22µH
VIN=3.6V center
VIN=3.0 to 5.0V
-
-
VOVD=30V
Min Typ Max Unit
2.8
-
5.5 V
- TBD - mA
-
0.5 1.0 µA
1.3
- VIN V
0
-
0.4
V
-
0 1.0 µA
0.77 1.1 1.43 MHz
- 600 - mA
-
0.5 1
µA
285 300 315 mV
-5
-
5
%
- TBD -
µA
34.5 37 39.5 V
-
0.5 1
µA
3
2005-08-5
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