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参数资料
| 型号： | PT6729N |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 13 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA17 |
| 封装： | VERTICAL MOUNT PACKAGE-17 |
| 文件页数： | 7/9页 |
| 文件大小： | 217K |
| 代理商： | PT6729N |
For technical support and more information, see inside back cover or visit www.ti.com
Application Notes continued
PT6705/PT6715 Series
Series Pt #
PT6729
PT6728
PT6727
PT6726
Vo (nom)
1.2V
1.5V
1.8V
2.5V
Va (req’d)
1.1
(5.1)k
1.15
(45.1)k
1.2
1.25
135.0k
1.3
55.1k
1.35
28.4k
1.4
15.1k
1.45
7.1k
1.474.7
k
(18.1)k
1.5
1.8k
1.55
209.0k
1.6
79.6k
1.65
36.5k
1.714.9k
1.75
(46.1)k
1.8
1.85
204.0k
1.9
77.1k
1.95
34.8k
2.0
13.6k
2.05
2.1
2.15
2.2
2.25
(6.0)k
2.3
(18.3)k
2.35
(38.8)k
2.4
(79.8)k
2.45
(203.0)k
2.5
2.55
221.0k
2.6
93.8k
2.65
51.5k
2.730.3k
2.75
17.6k
2.8
9.1k
2.85
3.1k
R1 = (Blue)
R2 = Black
Table 1
ADJUSTMENT AND FORMULA PARAMETERS
Series Pt #
PT6729
PT6728
PT6727
PT6726
PT6725
PT6724
Vo (nom)
1.2
1.5
1.8
2.5
3.3
5.0
Va (min)
1.09
1.47
1.75
2.25
2.75
4.01
Va (max)
1.52
1.73
2.0
2.85
3.75
5.47
Vr (V)
0.8
1.271.271.271.271.27
Ro (k
)
10.0
10.2
10.0
9.09
Rs (k
)
24.9
49.9
33.2
24.9
Table 2
ADJUSTMENT RESISTOR VALUES
Series Pt #
PT6725
PT6724
Vo (nom)
3.3V
5.0
Va (req’d)
2.75
(2.0)k
2.8
(5.7)k
2.85
(10.2)k
2.9
(15.9)k
2.95
(23.1)k
3.0
(32.8)k
3.05
(46.3)k
3.1
(66.6)k
3.15
(100.0)k
3.2
(168.0)k
3.25
(371.0)k
3.3
3.35
229.0k
3.4
102.0k
3.45
59.8k
3.5
38.6k
3.55
25.9k
3.6
17.4k
3.65
11.4k
3.76.9k
3.75
3.3k
4.1
(3.7)k
4.2
(8.4)k
4.3
(14.4)k
4.4
(22.5)k
4.5
(33.8)k
4.6
(50.8)k
4.7
(79.0)k
4.8
(136.0)k
4.9
(305.0)k
5.0
5.1
90.5k
5.2
32.8k
5.3
13.6k
5.4
4.0k
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