tb62732fug TOSHIBA Semiconductor CORPORATION, tb62732fug Datasheet - Page 4

• Manufacturer Part Number: tb62732fug
• 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 LED current I
LED current V
Note 4: Fluctuation in R_sens resistors is not included in the specified value.
The absolute value of Io may vary and therefore differ from the value specified due to the relation between
the inductor value and the load.
Characteristics
CC
F
dependence
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
TB62732FUG
0.5
4.2
2.0
1.1
0.5
⎯
⎯
±8
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