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參數(shù)資料
| 型號(hào)： | TB62756FUG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1430 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 0.95 MM PITCH, LEAD FREE, PLASTIC, SSOP-6 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 314K |
| 代理商： | TB62756FUG |
TB62756FUG
2006-06-14
9
3. Application Circuit Example and Measurement Data (reference data)
Note: These application examples are provided for reference only. Thorough evaluation and testing should be
implemented when designing your application’s mass production design.
Input Voltage - Efficiency/Output Current
2LED Drive, L=4.7H
10
15
20
25
30
35
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
VIN(V)
IO
U
T
(m
A
)
50
60
70
80
90
100
E
ffi
c
ie
n
c
y
(%
)
IOUT
Efficiency
I F
(m
A
)
IF
Efficiency
Input Voltage - Efficiency/Output Current
5LED Drive, L=10H
10
15
20
25
30
35
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
VIN(V)
IO
U
T
(m
A
)
50
60
70
80
90
100
E
ff
ici
e
n
cy
(%
)
IOUT
Efficiency
I F
(m
A
)
IF
Efficiency
Input Voltage - Efficiency/Output Current
3LED Drive, L=6.8H
10
15
20
25
30
35
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
VIN(V)
IO
U
T
(m
A
)
50
60
70
80
90
100
E
ff
ici
e
n
cy
(%
)
IOUT
Efficiency
I F
(m
A
)
IF
Efficiency
Input Voltage - Efficiency/Output Current
6LED Drive, L=10H
10
15
20
25
30
35
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
VIN(V)
IO
U
T
(m
A
)
50
60
70
80
90
100
E
ff
ici
e
n
cy
(%
)
IOUT
Efficiency
I F
(m
A
)
IF
Efficiency
Input Voltage - Efficiency/Output Current
4LED Drive, L=6.8H
10
15
20
25
30
35
2.8
3.1
3.4
3.7
4
4.3
4.6
4.9
5.2
5.5
VIN(V)
IO
U
T
(m
A
)
50
60
70
80
90
100
E
ff
ici
e
n
cy
(%
)
IOUT
Efficiency
I F
(m
A
)
IF
Efficiency
<Measurement Data>
Efficiency in the range of VIN = 2.8 to 5.5 V
Efficiency (%)
Average Efficiency (%)
2 LEDs
82.37 to 88.70
86.38
3 LEDs
80.19 to 86.55
84.12
4 LEDs
78.11 to 84.54
80.16
5 LEDs
74.79 to 84.94
79.94
6 LEDs
74.14 to 83.47
77.17
Output current in the range of VIN = 3.0 to 5.0 V (VIN = 3.6 V typ.)
Tolerance (%)
Output Current (mA)
VIN = 3.6 V
Min
Max
2 LEDs
21.19
3.26
1.69
3 LEDs
20.90
1.87
2.17
4 LEDs
20.63
1.78
1.01
5 LEDs
20.09
1.88
1.25
6 LEDs
19.93
1.99
1.07
S-Di
L1
VIN =
2.8 to 5.5 V
C
1
=2.
2
F
C
2
=1.
0
F
R
SE
NS
=16
VIN
SW
FB
GND
SHDN
WLEDs
2 to 6
Evaluation conditions (Ta = 25°C)
L1
: LQH2M series
(Murata Manufacturing Co.,Ltd.)
(Size: 2.0 mm
× 1.6 mm × 0.95 mm)
C1
: C2012JB1E105K (TDK Corp.)
C2
: C2012JB1E105K (TDK Corp.)
S-Di
: CUS02 1 A/30 V (TOSHIBA Corp.)
WLEDs : NSCW215T (NICHIA Corp.)
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