tb62731fug TOSHIBA Semiconductor CORPORATION, tb62731fug Datasheet - Page 15
![no-image](/images/manufacturer_photos/0/6/670/toshiba_semiconductor_corporation_sml.jpg)
tb62731fug
Manufacturer Part Number
tb62731fug
Description
Step-up Dc-dc Converter For White Led Driver
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB62731FUG.pdf
(20 pages)
- Current page: 15 of 20
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3.2 V~4.2 V
3.2 V~4.2 V
V
V
4.7 µF
4.7 µF
IN
IN
C1
C1
L1: Sumitomo Special Metals CXLD (CXAD) 120-150
S-Di: Toshiba 1SS404 20 V/1A
LED: Nichia NSCW215T
R_sens: ⎯
L1: Toko A914BYW-4R7
S-Di: Toshiba 1SS404 20 V/1A
LED: Nichia NSCW215T
R_sens: ⎯
ON
OFF
ON
OFF
GND
GND
SHDN
SHDN
V
V
CC
CC
4.7 µH
15 µH
L1
L1
GND
GND
A
A
K
K
S-Di
S-Di
1 µF
1 µF
C2
C2
R_sens
R_sens
5.1 Ω
2.4 Ω
8.5 mA
8.5 mA
I
I
F
F
15
100
100
90
80
70
60
50
40
90
80
70
60
50
40
3.2
3.2
Input voltage – power efficiency/mean current
Input voltage – power efficiency/mean current
3.4
3.4
Input voltage V
Input voltage V
3.6
3.6
3.8
3.8
IN
IN
(V)
(V)
TB62731FUG
4
4
η
I F
η
I F
2006-06-14
4.2
4.2
10
9
8
7
6
5
4
20
15
10
5
0
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