參數(shù)資料
型號: LM3813MX-7.0/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù): 4/14頁
文件大小: 705K
代理商: LM3813MX-7.0/NOPB
Look-Up Tables
The following tables show how to convert the duty cycle of
the PWM output to a current value, and vice versa. The
quantization error of 12 bit is not shown in these tables.
Please see the “PWM Output and Current Accuracy” section
for more details.
TABLE 1. Current to Duty Cycle Conversion Table
Sense Current
(Amps)*
Duty Cycle
(%)
Sense Current
(Amps)*
Duty Cycle
(%)
1.00
95.5
-1.00
4.5
0.95
93.2
-0.95
6.8
0.90
90.9
-0.90
9.1
0.85
88.6
-0.85
11.4
0.80
86.4
-0.80
13.6
0.75
84.1
-0.75
15.9
0.70
81.8
-0.70
18.2
0.65
79.5
-0.65
20.5
0.60
77.3
-0.60
22.7
0.55
75.0
-0.55
25.0
0.50
72.7
-0.50
27.3
0.45
70.5
-0.45
29.5
0.40
68.2
-0.40
31.8
0.35
65.9
-0.35
34.1
0.30
63.6
-0.30
36.4
0.25
61.4
-0.25
38.6
0.20
59.1
-0.20
40.9
0.15
56.8
-0.15
43.2
0.10
54.5
-0.10
45.5
0.05
52.3
-0.05
47.7
0.00
50.0
-0.00
50.0
*Maximum Sense Current = 1.0 Amps for LM3812-1.0 and LM3813-1.0.
The sense current should be multiplied by 10 for LM3812-7.0 and LM3813-7.0.
LM3812/LM3813
www.national.com
12
相關(guān)PDF資料
PDF描述
LM3812MX-1.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3812MX-7.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3812M-7.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3813M-1.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
LM3814MX-1.0/NOPB 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
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