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NDY4803

Description
1-OUTPUT 3 W DC-DC REG PWR SUPPLY MODULE
Categoryaccessories   
File Size419KB,3 Pages
ManufacturerCANDD
Websitehttp://www.cdpowerelectronics.com/
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NDY4803 Overview

1-OUTPUT 3 W DC-DC REG PWR SUPPLY MODULE

NDY SERIES
Isolated 3W Wide Input DC/DC Converters
SELECTION GUIDE
Typical
Isolation
Capacitance
Min
Efficiency
1
Nominal Rated
Input
Output
Voltage Voltage
Output Current
4
Min Load
Full Load
Input
Current
Full Load
MTTF
3
Order Code
NDY0505
NDY0509
NDY0512
NDY0515
(V)
5
5
5
5
12
12
12
12
24
24
24
24
24
48
48
48
48
48
(V)
5
9
12
15
5
9
12
15
3.3
5
9
12
15
3.3
5
9
12
15
(mA)
100 -150
55-83
42-62
33-50
150
83
62
50
227
150
83
62
50
227
150
83
62
50
(mA)
400- 600
222-333
166-250
133-200
600
333
250
200
909
600
333
250
200
909
600
333
250
200
(mA)
615
563
548
533
362
320
316
308
178
174
156
154
150
87
87
78
77
76
(%)
66
72
71
73
71
78
78
79
70
70
78
80
82
71
73
80
81
81
(pF)
40
52
43
44
36
52
44
47
30
36
52
44
54
30
35
52
44
53
kHrs
1939
1926
1907
1924
1928
1916
1897
1914
1671
1673
1663
1644
1657
1676
1668
1663
1648
1661
FEATURES
Industry Standard Footprint
Single Isolated Output
Short Circuit Protection
Operating Temperature Range
-40°C to +85°C
Low Profile 24 Pin Case
Efficiency to 82%
Power Density 0.90W/cm
3
2:1 Wide Input Range
5V, 12V, 24V & 48V Input
3.3V, 5V, 9V, 12V & 15V Output
Footprint 4.73cm
2
UL 94V-0 Package Materials
No Heatsink Required
Internal SMD Construction
Fully Encapsulated
Lead Free Compatible
DESCRIPTION
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.
NDY1205
NDY1209
NDY1212
NDY1215
NDY2403
NDY2405
NDY2409
NDY2412
NDY2415
NDY4803
NDY4805
NDY4809
NDY4812
NDY4815
INPUT CHARACTERISTICS
Parameter
Conditions
MIN
TYP
MAX
Units
Voltage Range
Reflected
1
Ripple
Current
All NDY05XX
All NDY12XX
All NDY24XX
All NDY48XX
NDY2403
2
NDY4803
2
All NDY05XX
All NDY12XX
All other NDY24XX
All other NDY48XX
4.5
9
18
36
5
12
24
48
180
140
400
150
290
100
9
18
36
72
360
290
500
170
360
127
VDC
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
www.cdpoweronline.com
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.
All specifications typical at T
A
=25°C, nominal input voltage and rated output current unless otherwise specified.
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