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NDY4812

更新时间： 2024-11-25 22:10:27
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CANDD 转换器光电二极管
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3页 421K
描述
Isolated 3W Wide Input DC-DC Converters

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NDY4812 数据手册

 浏览型号NDY4812的Datasheet PDF文件第2页浏览型号NDY4812的Datasheet PDF文件第3页 
NDY SERIES  
Isolated 3W Wide Input DC/DC Converters  
SELECTION GUIDE  
Input  
Nominal Rated  
4
Output Current  
Current  
Full Load  
(mA)  
Input  
Output  
3
Voltage Voltage Min Load  
Full Load  
(mA)  
MTTF  
Order Code  
(V)  
5
(V)  
5
(mA)  
(%)  
66  
(pF)  
40  
kHrs  
NDY0505  
100 -150 400- 600  
615  
563  
548  
533  
362  
320  
316  
308  
178  
174  
156  
154  
150  
87  
1939  
1926  
1907  
1924  
1928  
1916  
1897  
1914  
1671  
1673  
1663  
1644  
1657  
1676  
1668  
1663  
1648  
1661  
NDY0509  
NDY0512  
NDY0515  
NDY1205  
NDY1209  
NDY1212  
NDY1215  
NDY2403  
NDY2405  
NDY2409  
NDY2412  
NDY2415  
NDY4803  
NDY4805  
NDY4809  
NDY4812  
NDY4815  
5
9
12  
15  
5
55-83  
42-62  
33-50  
150  
83  
222-333  
166-250  
133-200  
600  
72  
71  
73  
71  
78  
78  
79  
70  
70  
78  
80  
82  
71  
73  
80  
81  
81  
52  
43  
44  
36  
52  
44  
47  
30  
36  
52  
44  
54  
30  
35  
52  
44  
53  
5
5
12  
12  
12  
12  
24  
24  
24  
24  
24  
48  
48  
48  
48  
48  
FEATURES  
■ Industry Standard Footprint  
■ Single Isolated Output  
■ Short Circuit Protection  
9
333  
12  
15  
3.3  
5
62  
250  
50  
200  
■ Operating Temperature Range  
227  
150  
83  
909  
-40°C to +85°C  
600  
■ Low Profile 24 Pin Case  
■ Efficiency to 82%  
■ Power Density 0.90W/cm  
■ 2:1 Wide Input Range  
■ 5V, 12V, 24V & 48V Input  
■ 3.3V, 5V, 9V, 12V & 15V Output  
9
333  
3
12  
15  
3.3  
5
62  
250  
50  
200  
227  
150  
83  
909  
600  
87  
2
■ Footprint 4.73cm  
9
333  
78  
■ UL 94V-0 Package Materials  
■ No Heatsink Required  
■ Internal SMD Construction  
■ Fully Encapsulated  
12  
15  
62  
250  
77  
50  
200  
76  
INPUT CHARACTERISTICS  
■ Lead Free Compatible  
Parameter  
Conditions  
MIN  
4.5  
9
18  
36  
TYP  
5
12  
24  
48  
180  
140  
400  
150  
290  
100  
MAX  
Units  
All NDY05XX  
All NDY12XX  
All NDY24XX  
All NDY48XX  
9
18  
36  
72  
360  
290  
500  
170  
360  
127  
DESCRIPTION  
Voltage Range  
VDC  
The NDY series is a range of low profile  
DC/DC converters offering a single regulated  
output over a 2:1 input voltage range. All  
parts deliver 3W output power up to 85°C  
without heatsinking, except the 4.5V to 9V  
input voltage range which should be derated  
to 2W at the lower input voltage. A flyback  
oscillator design with isolated feedback is  
used to give regulation over the full operating  
range of 25% to 100% of full load. It is  
strongly recommended that external  
capacitors be used on input and output to  
guarantee performance over full load and  
input voltage range (see recommended filter  
circuit for values). The plastic case and  
encapsulant materials are rated to UL 94V-0  
and the connection pins are formed from a  
tin plated alloy 42 leadframe.  
2
NDY2403  
2
NDY4803  
1
Reflected  
All NDY05XX  
All NDY12XX  
All other NDY24XX  
All other NDY48XX  
Ripple  
Current  
mA p-p  
ABSOLUTE MAXIMUM RATINGS  
Short-circuit protection  
Input voltage 05 types  
Input voltage 12 types  
Input voltage 24 types  
Input voltage 48 types  
Lead temperature 1.5mm from case for 10 seconds  
Minimum Load  
Internal Dissipation  
continuous  
10V  
20V  
40V  
80V  
300°C  
25% of rated load  
1.7W  
1 Measured at full load with external input/output capacitors, refer to filter circuit 1.  
2 For lower ripple refer to filter circuit 2.  
3 Calculated using MIL-HDBK-217F with nominal input voltage at full load.  
4 Refer to power derating graph.  
www.cdpoweronline.com All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.  
123

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