FEATURES
High efficiency: 92.5% @ 12Vin, 5V/3A out
Size:
Vertical: 9.4x15.5x6.6 mm
(0.37”x0.61”x0.26”)
Horizontal: 9.4x15.5x7.9mm
(0.37”x0.61”x0.31”)
Wide input range: 3.1V~13.8V
Output voltage programmable from
0.59Vdc to 5.0Vdc via external resistors
No minimum load required
Fixed frequency operation
Input UVLO, output OCP
Remote ON/OFF (Positive, 5 pin version)
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing facility
UL/cUL 60950-1 (US & Canada), and TUV
(EN60950-1) - pending
Delphi NE Series Non-Isolated Point of Load
DC/DC Modules:
3.1~13.8Vin, 0.59V-5.1Vout, 3Aout
The Delphi NE 3A Series, 3.1~13.8V wide input, wide trim single
output, non-isolated point of load (POL) DC/DC converters are the
latest offering from a world leader in power systems technology and
manufacturing
—
Delta Electronics, Inc. The NE product family is
the second generation, non-isolated point-of-load DC/DC power
modules which cut the module size by almost 50% in most of the
cases compared to the first generation NC series POL modules. The
NE 3A product family provides an ultra wide input range to support
3.3V, 5V, 8V, 9.6V, and 12V bus voltage point-of-load applications and
it offers up to 3A of output current in a vertically or horizontally
mounted through-hole miniature package and the output can be
resistor trimmed from 0.59Vdc to 5.0Vdc. It provides a very cost
effective, high efficiency, and high density point of load solution. With
creative design technology and optimization of component
placement, these converters possess outstanding electrical and
thermal performance, as well as extremely high reliability under highly
stressful operating conditions.
OPTIONS
Vertical or horizontal versions
APPLICATIONS
DataCom
Distributed power architectures
Servers and workstations
LAN / WAN applications
Data processing applications
PRELIMINARY DATASHEET
DS_NE12S03A_10032008
TECHNICAL SPECIFICATIONS
(Ambient Temperature=25°C, minimum airflow=200LFM, nominal V
in
=12Vdc unless otherwise specified.)
PARAMETER
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Operating Temperature (Vertical)
Operating Temperature (Horizontal)
Storage Temperature
Enable Voltage
INPUT CHARACTERISTICS
Operating Input Voltage
Input UVLO Turn On Threshold
Input UVLO Turn Off Threshold
Input UVLO Hysteresis
Maximum Input Current
Off Converter Input Current
No-Load Input Current
Input Reflected-Ripple External Current
Input Voltage Rejection
Input Voltage Variation
Inrush current
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range
Output Voltage Set Point
Output Voltage Load Regulation
Output Voltage Line Regulation
Output Voltage Temperature Regulation
Total output range
Output Voltage Ripple and Noise
Peak-to-Peak
Peak-to-Peak
Peak-to-Peak
Peak-to-Peak
Peak-to-Peak
Peak-to-Peak
RMS
Output Current Range
Output Voltage Over-shoot at Start-up
Output Voltage Under-shoot at Power-Off
Output Current Limitation
DYNAMIC CHARACTERISTICS
Output Dynamic Load Response
0.59Vout, Step Change In Output Current
0.59Vout, Setting Time
0.9Vout, Step Change In Output Current
0.9Vout, Setting Time
2.5Vout, Step Change In Output Current
2.5Vout, Setting Time
5Vout, Step Change In Output Current
5Vout, Setting Time
Turn On Transient
Turn On Delay by Enable
Turn on Delay by Vin
Turn on Rise time
0.9Vout, Maximum Output Capacitor
2.5Vout, Maximum Output Capacitor
5.0Vout, Maximum Output Capacitor
Minimum Output Capacitive Load
EFFICIENCY
0.59Vout
0.59Vout
0.9Vout
0.9Vout
1.8Vout
1.8Vout
2.5Vout
2.5Vout
5.0Vout
5.0Vout
FEATURE CHARACTERISTICS
Switching Frequency
High Level Input Voltage
Low Level Input Voltage
GENERAL SPECIFICATIONS
Calculated MTBF
Weight
DS_NE12S03A_10032008
NOTES and CONDITIONS
Min.
Opeation
Refer to Fig.34 for the measuring point
Refer to Fig.42 for the measuring point
When Vin<5V
When Vin>5V
3.0
Total load range turn on
Total load range turn off
5.0Vout, operating, full load
Remote OFF, Total input range
Total input range
Total input range
120Hz
120Hz
High line input and zero load
See figure30
With a 0.1% trim resistor
Io=Io_min to Io_max
Vin=Vin_min to Vin_max
Ta=0~85°C
Over load, line, temperature regulation and set point
Full load 20MHz bandwidth with 1uF and 10uF ceramic capacitor
Total input range , 0.59Vout
Total input range , 0.9Vout
Total input range , 1.8Vout
Total input range , 2.5Vout
Total input range , 3.3Vout
Total input range , 5.0Vout
Full Load, 10uF Tan cap, 12Vin, 5Vo
Total input range, Turn ON
Total input range, Turn OFF
Hiccup mode
0.59
-1
-0.5
-0.2
-0.6
-3
3.0
-40
-40
-40
NE12S0A0V/H03
Typ.
Max.
13.8
123
TBD
125
3.3
5.0
13.8
3.0
2.7
0.3
3.1
15
50
15
60
1
25
1
5.0
+1
+0.5
+0.2
+0.6
+3
10
15
20
25
30
40
10
0
6
20
25
30
35
40
50
15
3
0.5
100
Units
Vdc
°C
°C
°C
V
V
V
V
V
A
mA
mA
mA
dB
V/mS
A²S
V
%
%
%
%
%
mV
mV
mV
mV
mV
mV
mV
A
%Vo
mV
A
Co=1uF ceramic//10uF ceramic capacitor
Load change between 50%Io and 100%Io, Slew Rate 10A/uS
Deviation decrease to 1%Vout
Load change between 50%Io and 100%Io, Slew Rate 10A/uS
Deviation decrease to 1%Vout
Load change between 50%Io and 100%Io, Slew Rate 10A/uS
Deviation decrease to 1%Vout
Load change between 50%Io and 100%Io, Slew Rate 10A/uS
Deviation decrease to 1%Vout
From Enable high to 90% of Vo
From Vin=UVLO_ON to 90% of Vo
turn on overshoot <1% vo ,ESR≥1mΩ
turn on overshoot <1% vo ,ESR≥1mΩ
turn on overshoot <1% vo ,ESR≥1mΩ
0
Vin=3.3V, Io=3A
Vin=12V, Io=3A
Vin=3.3V, Io=3A
Vin=12V, Io=3A
Vin=3.3V, Io=3A
Vin=12V, Io=3A
Vin=3.3V, Io=3A
Vin=12V, Io=3A
Vin=12V, Io=3A
Vin=12V, Io=3A, sink efficiency
Fixed
Module On (or leave the pin open)
Module Off
Ta=25℃, 200LFM, 80% load
65.5
65
74.5
73.5
85.5
83.5
89.5
86
92.5
91
500
1.0
-0.3
TBD
1.4
5.5
0.4
130
15
150
15
175
15
230
15
2
2
1.5
3
3
2
1500
1000
500
mV
uS
mV
uS
mV
uS
mV
uS
ms
ms
ms
µF
µF
uF
µF
%
%
%
%
%
%
%
%
%
%
KHz
V
V
Mhours
grams
2
ELECTRICAL CHARACTERISTICS CURVE
95
95
85
85
Efficiency (%)
Efficiency (%)
75
75
65
65
55
55
45
12Vin
5Vin
3.3Vin
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
45
12Vin
5Vin
3.3Vin
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
35
Output current (A)
35
Output current (A)
Figure 1:
Converter efficiency vs. output current
(0.59V output voltage, 3.3V/5V/12V input voltage)
95
Figure 2:
Converter efficiency vs. output current
(0.9V output voltage, 3.3V/5V/12V input voltage)
95
85
85
75
Efficiency (%)
12Vin
5Vin
3.3Vin
75
Efficiency (%)
65
65
55
55
45
45
12Vin
5Vin
3.3Vin
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
35
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
Output current (A)
35
Output current (A)
Figure 3:
Converter efficiency vs. output current
(1.8V output voltage, 3.3V/5V/12V input voltage)
95
Figure 4:
Converter efficiency vs. output current
(2.5V output voltage, 3.3V/5V/12V input voltage)
95
85
85
Efficiency (%)
Efficiency (%)
75
75
65
65
55
55
45
12Vin
5Vin
35
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
Output current (A)
45
12Vin
35
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
3
Output current (A)
Figure 5:
Converter efficiency vs. output current
(3.3V output voltage, 5V/12V input voltage)
Figure 6:
Converter efficiency vs. output current
(5.0V output voltage, 12V input voltage)
DS_NE12S03A_10032008
3
ELECTRICAL CHARACTERISTICS CURVES (CON.)
Figure 7:
Output ripple & noise at 12Vin, 0.59V/3A out
(20mV/div, 2uS/div)
Figure 8:
Output ripple & noise at 12Vin, 0.9V/3A out
(20mV/div, 2uS/div)
Figure 9:
Output ripple & noise at 12Vin, 1.8V/3A out
(20mV/div, 2uS/div)
Figure 10:
Output ripple & noise at 12Vin, 2.5V/3A out
(20mV/div, 2uS/div)
Figure 11:
Output ripple & noise at 12Vin, 3.3V/3A out
(20mV/div, 2uS/div)
Figure 12:
Output ripple & noise at 12Vin, 5.0V/3A out
(20mV/div, 2uS/div)
DS_NE12S03A_10032008
4
ELECTRICAL CHARACTERISTICS CURVES (CON.)
Figure 13:
Turn on delay time at 12Vin, 0.59V/3A out
Ch1: Vin(5V/div) Ch4: Vout(0.5V/div) 5mS/div
Figure 14:
Turn on delay time Remote On/Off, 0.59V/3A out
Ch1: Enable(1V/div) Ch4: Vout(0.5V/div) 5mS/div
Figure 15:
Turn on delay time at 12Vin, 0.9V/3A out
Ch1: Vin(5V/div) Ch4: Vout(0.5V/div) 5mS/div
Figure 16:
Turn on delay time at Remote On/Off, 0.9V/3A out
Ch1: Enable(1V/div) Ch4: Vout(0.5V/div) 5mS/div
Figure 17:
Turn on delay time at 12Vin, 2.5V/3A out
Ch1: Vin(5V/div) Ch4: Vout(2V/div) 5mS/div
Figure 18:
Turn on delay time at Remote On/Off, 2.5V/3A out
Ch1: Enable(1V/div) Ch4: Vout(2V/div) 5mS/div
DS_NE12S03A_10032008
5
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