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參數(shù)資料
| 型號： | TB62757FUG |
| 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)： | 20/20頁 |
| 文件大?。?/td> | 516K |
| 代理商： | TB62757FUG |
TB62757FUG
2006-02-206
9
2) Input analog voltage to FB terminal
IF can be adjusted with analog voltage input to FB terminal.
This method is without repeating IC ON/OFF, and no need to consider holding rash current.
[Notice]
LED current value goes over 100% of the current set with RSENS, if the input analog voltage is
between 0 V to 325 mV (typ.).
for ref.) Analog voltage
= 0 to 2.2 V
About external parts value, please see recommended circuit.
Supply Voltage [V]
Ratio with
Setting Current
No connect (OFF)
100%
0
116.0%
0.2
106.5%
0.4
95.4%
0.6
84.5%
0.8
73.6%
1
59.9%
1.2
48.4%
1.4
37.4%
1.6
26.6%
1.8
15.9%
2
5.8%
2.2
0.0%
<<Recommended circuit>>
0.0%
20.0%
40.0%
60.0%
80.0%
100.0%
120.0%
140.0%
0
0.5
1
1.5
2
2.5
TB62757FUG
16 k
Analog voltage
S-Di
6.8
H
VIN =
2.8 to 5.5 V
C
1
=2.2
F
C
2
=1.0
F
82
k
R
SENS
=16
VCC
SW
OVD
FB
GND
SHDN
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