tb62732fu TOSHIBA Semiconductor CORPORATION, tb62732fu Datasheet - Page 3

• Manufacturer Part Number: tb62732fu
• 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: Derate power dissipation by 3.8 mW/°C from the Absolute maximum rating for every 1°C exceeding the
Supply voltage
SHDN pin high-level input voltage
SHDN pin low-level input voltage
SHDN pin input pulse width
Set LED current
ambient temperature of 25°C (when IC is mounted on 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
turn on series LEDs of 2 to 4
0.41 (IC only)
300 (IC only)
−0.3 to +6.0
−55 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.
⎯
⎯
⎯
⎯
⎯
TB62732FU
2006-06-14
Max
V
4.3
0.5
20
⎯
CC
Unit
mA
µs
V
V
V