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DNT04 Datasheet(PDF) 2 Page - Delta Electronics, Inc.

Part No. DNT04
Description  Non-Isolated Point of Load DC/DC Power Modules: 2.4~5.5Vin, 0.75~3.3Vo, 3A out
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Maker  DELTA [Delta Electronics, Inc.]
Homepage  http://www.deltaww.com
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DNT04 Datasheet(HTML) 2 Page - Delta Electronics, Inc.

 
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DS_DNT04SMD3A_01182007
2
TECHNICAL SPECIFICATIONS
(TA = 25°C, airflow rate = 300 LFM, Vin = 2.4Vdc and 5.5Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
DNT04S0A0S03NFA
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
0
5.8
Vdc
Operating Temperature
Refer to Figure 34 for measuring point
-40
125
°C
Storage Temperature
-55
125
°C
INPUT CHARACTERISTICS
Operating Input Voltage
Vo ≦ Vin –0.5V
2.4
5.5
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
1.95
2.05
2.15
V
Turn-Off Voltage Threshold
1.8
1.9
2.0
V
Maximum Input Current
Vin=4.5V Vo=3.3V, Io=Io,max
2.4
A
No-Load Input Current
15
25
mA
Off Converter Input Current
0.2
0.5
mA
Inrush Transient
Vin=2.4V to 5.5V, Io=Io,min to Io,max
0.1
A
2S
Recommended Inout Fuse
TBD
A
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=5V, Io=Io, max
-1.5
Vo,set
+1.5
% Vo,set
Output Voltage Adjustable Range
0.7525
3.63
V
Output Voltage Regulation
Over Line
Vin=2.4V to 5.5V
0.2
% Vo,set
Over Load
Io=Io,min to Io,max
0.2
% Vo,set
Over Temperature
Ta=-40℃ to 85℃
0.4
% Vo,set
Total Output Voltage Range
Over sample load, line and temperature
-3.0
+3.0
% Vo,set
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
30
50
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
10
15
mV
Output Current Range
0
3
A
Output Voltage Over-shoot at Start-up
5
% Vo,set
Output DC Current-Limit Inception
200
% Io
Output Short-Circuit Current (Hiccup Mode)
Io,s/c
1.5
Adc (rms)
DYNAMIC CHARACTERISTICS
Dynamic Load Response
10µF Tan & 1µF Ceramic load cap, 2.5A/µs
Positive Step Change in Output Current
50% Io, max to 100% Io, max
180
mV
Negative Step Change in Output Current
100% Io, max to 50% Io, max
180
mV
Setting Time to 10% of Peak Devitation
50
µs
Turn-On Transient
Io=Io.max
Start-Up Time, From On/Off Control
Von/off, Vo=10% of Vo,set
7
ms
Start-Up Time, From Input
Vin=Vin,min, Vo=10% of Vo,set
7
ms
Maximum Output Startup Capacitive Load
Full load; ESR ≧1mΩ
1000
µF
Full load; ESR ≧10mΩ
3000
µF
EFFICIENCY
Vo=3.3V
Vin=5V, 100% Load
94.0
%
Vo=2.5V
Vin=5V, 100% Load
92.0
%
Vo=1.8V
Vin=5V, 100% Load
90.5
%
Vo=1.5V
Vin=5V, 100% Load
89.0
%
Vo=1.2V
Vin=5V, 100% Load
86.5
%
Vo=0.75V
Vin=5V, 100% Load
80.0
%
FEATURE CHARACTERISTICS
Switching Frequency
250
300
350
kHz
ON/OFF Control, (Negative logic)
Logic Low Voltage
Module On, Von/off
-0.2
0.3
V
Logic High Voltage
Module Off, Von/off
2.5
Vin.max
V
Logic Low Current
Module On, Ion/off
10
µA
Logic High Current
Module Off, Ion/off
0.2
1
mA
GENERAL SPECIFICATIONS
MTBF
Io=100% of Io, max; Ta=25°C
TBD
M hours
Weight
2.3
grams


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