参数资料
型号: PT4833C
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源模块
英文描述: 3-OUTPUT 35 W DC-DC REG PWR SUPPLY MODULE
封装: METAL, SIP-21/18
文件页数: 24/34页
文件大小: 483K
代理商: PT4833C
For technical support and more information, see inside back cover or visit www.ti.com
Application Notes continued
30
Vo (nom)
2.0V
1.8V
1.5V
1.2V
Va (req’d)
Table 3-3
PT4820 Series
1.080
(2.6)k
1.100
(5.8)k
1.120
(10.6)k
1.140
(18.6)k
1.160
(34.7)k
1.180
(82.7)k
1.200
1.220
486.0k
1.240
241.0k
1.260
160.0k
1.280
119.0k
1.300
94.2k
1.320
77.9k
1.350
(0.9)k
1.375
(3.6)k
1.400
(7.8)k
1.425
(14.6)k
1.450
(28.4)k
1.475
(69.6)k
1.500
1.525
362.0k
1.550
178.0k
1.575
117.0k
1.600
86.5k
1.620
(4.5)k
71.2k
1.650
(12.2)k
55.9k
1.700
(35.4)k
1.750
(105.0)k
1.800
(4.4)k
1.850
(17.6)k
274.0k
1.900
(43.9)k
126.0k
1.950
(123.0)k
76.7k
2.000
2.050
225.0k
2.100
100.0k
2.150
58.4k
2.200
37.6k
R1 = (Blue)
R2 = Black
Vo (nom)
5.0V
3.3V
2.5
Va (req’d)
Vo1, Vo2, & Vo3 OUTPUT VOLTAGE ADJUST RESISTOR VALUES (See Note 3 for adjustment limitations)
2.25
(1.6)k
2.3
(14.6)k
2.35
(36.3)k
2.4
(79.6)k
2.45
(210.0)k
2.5
2.55
210.0k
2.6
84.7k
2.65
43.1k
2.7
22.3k
2.75
9.8k
2.97
(18.0)k
3.0
(24.9)k
3.05
(40.1)k
3.1
(62.9)k
3.15
(101.0)k
3.2
(177.0)k
3.25
(405.0)k
3.3
3.35
229.0k
3.4
94.5k
3.45
49.6k
3.5
27.2k
3.55
13.7k
3.6
4.7k
3.63
0.6k
4.5
(67.7)k
4.6
(96.7)k
4.7
(145.0)k
4.8
(242.0)k
4.9
(533.0)k
5.0
5.1
155.0k
5.2
61.1k
5.3
29.7k
5.4
14.0k
5.5
4.5k
Table 3-2
Vo1, Vo2, & Vo3 OUTPUT VOLTAGE ADJUSTMENT RANGE AND FORMULA PARAMETERS
Vo (nom)
5.0V
3.3V
2.5V
2.0V
1.8V
1.5V
1.2V
Va (min)
4.5V
2.97V
2.25V
1.8V
1.62V
1.35V
1.08V
Va (max)
5.5V
3.63V
2.75V
2.2V
1.98V
1.65V
1.32V
Vr
1.225V
1.225
1.225V
1.003V
Ro (k
)
15.4
11.0
10.2
12.1
7.5
9.76
Rs (k
)
33.2
40.2
24.9
22.1
5.36
3.65
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