tb62732fu TOSHIBA Semiconductor CORPORATION, tb62732fu Datasheet - Page 4

• Manufacturer Part Number: tb62732fu
• Description: Step-up Dc/dc Converter For White Led Driver
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
(unless otherwise specified,
Supply voltage
Current consumption at operation
Current consumption at standby
SHDN pin current
MOS transistor on-resistance
MOS transistor switching frequency
Pin A voltage
Pin A current
Pin A leakage current
Set up LED current I
LED current V
Note 4: The dissipation of the R_sens resistor isn't contained in the specification. Please, be careful.
The absolute value of I
value and the relations of the load.
Characteristics
CC
dependence
F
o
has the possibility to change not to correspond to the specification by inductance
Ta = 25°C, V
I_SHDN
I
I
Symbol
CC
CC
V
I
I
f
oz
V
Ron
o
OSC
o
dI
I
CC
(A)
o
(on)
(off)
(A)
(A)
o
circuit
Test
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
CC
4
SHDN = V
SHDN = 0 V
SHDN = V
Built-in pull-down resistor
I
detection resistance value is
contained
R_sens = 2.7 Ω,
L = 6.8 µH
= 3.6 V, V
o
= 300 mA,
Test condition
CC
CC
,
SHDN
⎯
⎯
⎯
⎯
⎯
= 3.6 V)
(Note 4)
0.77
Min
3.0
17
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Typ.
0.52
18.5
350
0.5
4.2
2.0
1.1
0.5
⎯
⎯
±8
TB62732FU
2006-06-14
1.43
Max
380
±12
5.5
0.8
1.0
2.5
⎯
⎯
7
1
MHz
Unit
mA
mA
mA
µA
µA
µA
%
V
Ω
V