NME SERIES
Isolated 1W Single Output
features
p
p
p
p
p
p
p
p
p
p
p
p
p
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p
p
Single Isolated Output
1kVDC Isolation
Pin Compatible with LME & NML
SIP & DIP Package Styles
Efficiency to 75%
Power Density 1.45W/cm
3
3.3V, 5V, 12V, 24V & 48V Input
Footprint from 0.69 cm
2
UL 94V-0 Package Material
No Heatsink Required
Internal SMD Construction
Toroidal Magnetics
Fully Encapsulated
No External Components Required
MTTF up to 3.2 Million Hours
PCB Mounting
Custom Solutions Available
1
GND
4
V
IN
pin connections
8 Pin DIP (top view)
0V
7
+V
5
description
The NME Series of DC-DC Converters is
particularly suited to isolating and/or con-
verting DC power rails. The galvanic isola-
tion allows the device to be configured to
provide an isolated negative rail in systems
where only positive rails exist.
4 Pin SIP
1
2
3
4
GND V
IN
0V +V
DC-DC Converters
1
2 - NME SERIES
p
3.3V, 5V, 9V, 12V and 15V Output
NME SERIES
Isolated 1W Single Output
absolute maximum ratings over operating free air* temperature range
Input voltage V
IN
NME03 types . . . . . . . . . .
Input voltage V
IN
NME05 types . . . . . . . . . .
Input voltage V
IN
NME12 types . . . . . . . . . .
Input voltage V
IN
NME24 types . . . . . . . . . .
Input voltage V
IN
NME48 types . . . . . . . . . .
Output power total, NME03 types . . . . . . . .
Output power total, NME05, 12, 24 and 48 types .
Short-circuit duration . . . . . . . . . . . . . . .
Isolation voltage (flash tested for 1 second) . . . .
Operating free air temperature range . . . . . . .
Storage temperature range . . . . . . . . . . . .
Lead temperature 1.5mm from case for 10 seconds
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. . . . . . 5V
. . . . . . 7V
. . . . . 15V
. . . . . 28V
. . . . . 54V
. . . 500mW
. . . . . . 1W
. . . . . . 1s
. . 1000VDC
. 0°C to 70°C
1
--55°C to 150°C
. . . . . 300°C
electrical specifications
(measured at T
A
=25°C, at nominal input voltage)
Input voltage range NME03 types . . . . . . . . .
Input voltage range NME05 types . . . . . . . . .
Input voltage range NME12 types . . . . . . . . .
Input voltage range NME24 types . . . . . . . . .
Input voltage range NME48 types . . . . . . . . .
Load voltage regulation (10% to 100% full load)
3.3V and 5V output types . . . . . . . . . . .
9V, 12V and 15V output types . . . . . . . . .
Line voltage regulation (10% to 100% full load) . .
Output voltage accuracy . . . . . . . . . . . . .
Input reflected ripple(20MHz Band limited)
NME03 types . . . . . . . . . . . . . . . . .
NME05, 12, 24 and 48 types . . . . . . . . .
Output ripple (20MHz Band limited) . . . . . . .
Insulation resistance at 500VDC . . . . . . . . .
Efficiency at full load, 3.3V and 5V output types . .
Efficiency at full load, 9V, 12V and 15V output types
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3.3V
. 5V
12V
24V
48V
10%
10%
10%
10%
10%
. . . . . . . . . 15% max.
. . . . . . . . . 10% max.
. . . . . . . 1.2%/1% of V
IN
See tolerance envelope graph
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. . 100mV p-p max.
. . . 90mV p-p max.
. . 150mV p-p max.
. . . 1000 M min.
70% typical 65% min.
75% typical 70% min.
* Free air -- requires a minimum of 10mm air space around the component.
See derating curve.
2
NME SERIES
Isolated 1W Single Output
electrical specifications
(measured at T
A
=25°C, at nominal input voltage)
Temperature drift (V
OUT
) . . . . . . . . . . . . . . . . . . . . .
Temperature rise above ambient at full load . . . . . . . . . . . .
Weight SIP types (typical) . . . . . . . . . . . . . . . . . . . . .
Weight DIP types (typical) . . . . . . . . . . . . . . . . . . . . .
Switching frequency at full load (typical) . . . . . . . . . . . . . .
No load power consumption (typical), NME03 types . . . . . . . .
No load power consumption (typical), NME05, 12, 24 and 48 types
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0.03% per °C max.
. . . . 20°C max.
. . . . 1.4 grams
. . . . 1.5 grams
. . . . . 100kHz
. . . . . . 75mW
. . . . . 100mW
selection guide
3.3V input types
Part Number
NME0305D
NME0309D
NME0312D
NME0315D
NME0305S
NME0309S
NME0312S
NME0315S
Output Voltage
(V)
5
9
12
15
5
9
12
15
Output Current
(mA)
100
56
42
34
100
56
42
34
3
1
Package
Style
NME0503
Part Number
NME0503D
NME0503S
Output Voltage
(V)
3.3
Output Current
(mA)
154
Package
Style
1
3
DC-DC Converters
3
2 - NME SERIES
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