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參數(shù)資料
| 型號(hào)： | PT6985C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 9 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA23 |
| 封裝： | HORIZONTAL SMT-23 |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 295K |
| 代理商： | PT6985C |
For technical support and more information, see inside back cover or visit www.ti.com
Application Notes
1.8
(0.0)
1.85
(1.4)k
1.9
(3.0)k
1.95
(4.9)k
2.0
(7.1)k
2.05
(9.8)k
2.1
(13.3)k
2.2
(23.5)k
2.3
(44.0)k
2.4
(106.0)k
2.5
(0.0)k
2.6
120.0k
(3.6)k
2.7
56.0k
(8.4)k
2.8
34.8k
(15.2)k
2.9
24.3k
(25.4)k
3.0
17.9k
(42.3)k
3.1
13.7k
(76.1)k
3.2
10.6k
(178.0)k
3.3
8.4k
3.4
6.6k
112.0k
3.5
5.2k
48.1k
3.6
4.1k
26.9k
R1/R3 = (Blue), R2/R4 = Black
Vo1 Bus
Series Pt #
PT6981/85
PT6982/83/84
Adj. Resistor
(R3)/R4
Vo(nom)
2.5V
3.3V
Va(req’d)
Table 1
ADJUSTMENT RANGE AND FORMULA PARAMETERS
Vo1 Bus
Vo2 Bus (2)
Series Pt #
PT6981/85
PT6982/83/84
PT6984/85
PT6981/83
PT6936
Adj. Resistor
(R3)/R4
(R1)/R2
Vo(nom)
2.5V
3.3V
1.2V
1.8V
2.5V
Va(min)
1.8V *
2.5V *
1.0V
1.5V
1.8V
Va(max)
3.6V
1.5V #
2.4V
3.0
Vr
1.27V
0.6125V
1.0V
Rs (k
)
7.5
15.4
20.0
16.9
11.5
Ref. Note 3:
* (R3) = Zero-ohm link
(R1) = Zero-ohm link
#
(R2) = Zero-ohm link
1.0
(0.0)k
1.05
(9.2)k
1.1
(28.8)k
1.15
(87.5)k
1.2
1.25
101.5k
1.3
41.2k
1.35
20.8k
1.4
10.6k
1.45
4.5k
1.5
0.0k
(0.0)k
1.55
(5.1)k
1.6
(13.1)k
1.65
(26.4)k
1.7
(53.1)k
1.75
(133.0)k
1.8
(0.0)k
1.85
183.0k
(1.6)k
1.9
83.1k
(3.5)k
1.95
49.8k
(5.8)k
2.0
33.1k
(8.5)k
2.05
23.1k
(11.8)k
2.1
16.4k
(16.0)k
2.2
8.1k
(28.5)k
2.3
3.1k
(53.5)k
2.4
0.0k
(129.0)k
2.5
2.6
88.5k
2.7
38.5k
2.8
21.8k
2.9
13.5k
3.0
8.5k
Vo2 Bus
Series Pt #
PT6984/85
PT6981/83
PT6982
Adj. Resistor
(R1)/R2
Vo(nom)
1.2V
1.8V
2.5V
Va(req’d)
Table 2
ADJUSTMENT RESISTOR VALUES
PT6980 Series
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