tb62732fug TOSHIBA Semiconductor CORPORATION, tb62732fug Datasheet - Page 3

• Manufacturer Part Number: tb62732fug
• Description: Step-up Dc/dc Converter For White Led Driver
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Absolute Maximum Ratings
Recommended Operating Conditions
(unless otherwise specified,
Supply voltage
Input voltage
Switching pin current
Switching pin voltage
Power dissipation
Saturation thermal resistance
Operating temperature range
Storage temperature range
Maximum junction temperature
Note 3: The power dissipation is derated by 3.8 mW/°C from the absolute maximum rating for every 1°C exceeding
Supply voltage
SHDN pin high-level input voltage
SHDN pin low-level input voltage
SHDN pin input pulse width
Set LED current
the ambient temperature of 25°C (when the IC is mounted on a PCB).
Characteristics
Characteristics
tpw SHDN
Ta = 25°C and V
Symbol
R
Symbol
V
I
V
o
th (j-a)
T
T
V
V
V
o
P
V
T
I
CC
opr
stg
CC
(A)
IN
IH
o
D
IL
(A)
j
circuit
Test
0.47 (IC mounted on PCB)
⎯
⎯
⎯
⎯
⎯
260 (IC mounted on PCB)
−0.3 to +V
3
V
V
SHDN = High and Low level
V
illuminating series LEDs 2 to 4
0.41 (IC only)
300 (IC only)
−0.3 to +6.0
−40 to +150
CC
CC
CC
CC
−40 to +85
−0.3 to 17
Rating
= 3 to 4.3 V
= 3 to 4.3 V
= 3 V,
380
125
= 3.6 V)
CC
Test condition
+ 0.3
(Note 3)
⎯
°C/W
Unit
mA
°C
°C
°C
W
V
V
V
Min
3.0
2.6
50
0
5
Typ.
TB62732FUG
⎯
⎯
⎯
⎯
⎯
2006-06-14
Max
V
4.3
0.5
20
⎯
CC
Unit
mA
µs
V
V
V