NDL SERIES
Isolated 2W Wide Input Single Output DC-DC Converters
SELECTION GUIDE
Input
Nominal Rated
Input Output
1
2
Output Current
Voltage Voltage Min Load
Current
3
4
Full Load
(mA)
400
222
167
134
400
222
167
134
400
222
167
134
400
222
167
134
Full Load
(mA)
606
558
559
549
228
211
208
206
112
102
100
100
57
MTTF
Order Code
NDL0505S
NDL0509S
NDL0512S
NDL0515S
NDL1205S
NDL1209S
NDL1212S
NDL1215S
NDL2405S
NDL2409S
NDL2412S
NDL2415S
NDL4805S
NDL4809S
NDL4812S
NDL4815S
(V)
5
(V)
5
(mA)
100
55
42
33
100
55
42
33
100
55
42
33
100
55
42
33
(%)
66
71
71
73
73
79
80
81
74
81
81
83
73
80
81
82
(pF)
26
kHrs
2015
27 1998
5
9
5
5
12
15
5
26
27
39
38
1980
1965
1994
1981
12
12
12
12
24
24
24
24
48
48
48
48
9
12
15
5
47 1961
FEATURES
■ 2:1 Wide Range Voltage Input
47
37
40
1947
1722
1711
9
■ Continuous Short Circuit Protection
12
15
5
51 1696
with Current Foldback
58
39
40
53
65
1685
1719
1709
1694
1683
■ Operating Temperature Range
9
12
15
52
–40°C to 85°C
51
■ 0.5% Regulation
■ 1kVDC Isolation
■ Efficiency to 83%
■ 5V, 12V, 24V & 48V Nominal Input
■ 5V, 9V, 12V & 15V Output
51
INPUT CHARACTERISTICS
Parameter
Conditions
MIN
4.5
9
18
36
TYP
5
MAX
Units
All NDL05 Types
All NDL12 Types
All NDL24 Types
All NDL48 Types
9
12
24
48
18
Voltage Range
VDC
36
3
■ Power Density 0.9W/cm
72
All NDL05 types when 100µF at input
All NDL12 types when 100µF at input
All NDL24 types when 10µF at input
All NDL48 types when 10µF at input
250
150
380
170
■ External Control
■ No Electrolytic Capacitors
■ Low Noise
Reflected
Ripple
mA p-p
300
140
Current
■ Fully Encapsulated
OUTPUT CHARACTERISTICS
5
Parameter
Conditions
TYP
MAX
Units
All NDL 05/12 types with external
DESCRIPTION
The NDL series is a range of high
±1
±5
input/output capacitors
Voltage Set
%
Point Accuracy
All NDL 24/48 types with external
input/output capacitors
±2
0.05
0.04
0.2
0.2
5
±5
0.5
0.4
0.75
0.75
10
performance miniature DC-DC converters
having regulated outputs over the wide
temperature range of –40°C to 85°C. The
input voltage range is 2:1 with the output
power at 2 watts and the input to output
isolation is 1kVDC. Continuous short circuit
protection, external control and extremely
small SIP packaging provide state of the art
functionality. The use of ceramic capacitors
and a ceramic substrate, with a tough chip
and wire bonded MOSFET power transistor
die and SMD construction, provide genuine
high reliability. Nominal input voltages of
5,12,24 and 48V with output voltages of
5,9,12 and 15V are available as standard
with custom parts on request. The plastic case
is rated to UL 94V-0 with encapsulant to UL
94V-1. Connection pins are phosphor bronze
with a 60/40 tin lead solder dipped finish.
All NDL 05/12 types, Low line to high line,
With external input/output capacitors
Line Regulation
%
All NDL 24/48 types, Low line to high line,
With external input/output capacitors
All NDL 05/12 types, Minimum load to rated load,
With external input/output capacitors
Load Regulation
Ripple
%
All NDL 24/48 types, Minimum load to rated load,
With external input/output capacitors
B/W=20Hz to 300kHz
mV rms
With external input/output capacitors
All NDL 05 types, B/W=DC to 100MHz
20
35
With external input/output capacitors
All NDL 12 types, B/W=DC to 100MHz
With external input/output capacitors
110
50
170
Noise
mV p-p
mW
All NDL 24/48 types, B/W=DC to 100MHz
100
2.8
With external input/output capacitors
Shutdown Power VIN nominal
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
continuous
Lead temperature 1.5mm from case for 10 seconds
Control pin input current
Input voltage 05 types
300°C
10mA
10V
Input voltage 12 types
20V
Input voltage 24 types
40V
Input voltage 48 types
80V
1
Refer to power derating graph for operation of 5V input types at 4.5 to 6V.
2
3
4
5
Measured at full load with external input/output capacitors, refer to recommended test circuit.
A lower load condition is entirely safe but higher levels of output ripple will be experienced.
Calculated using MIL-HDBK-217F with nominal input voltage at full load.
www.dc-dc.com
Refer to recommended test circuit for external input/output capacitors.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
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