TECHNICAL SPECIFICATIONS
(TA = 25°C, airflow rate = 300 LFM, Vin = 12Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
DNT12S0A0S03NFA
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
Operating Temperature
0
-40
-55
15
+125
+125
Vdc
°C
°C
Refer to Figure 28 for measuring point
Storage Temperature
INPUT CHARACTERISTICS
Operating Input Voltage
8.3
12
14
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Transient
Recommended Input Fuse
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Adjustable Range
Output Voltage Regulation
Over Line
7.90
7.70
V
V
A
mA
mA
A2S
A
Vin=8.3V, Vo=5V, Io=3A
Vo=5V
2.2
70
10
50
2
Vin= Vin,min to Vin,max, Io=Io,min to Io,max
Vin=12V, Io=Io,max
0.4
TBD
-2.0
0.7525
Vo,set
+2.0
5.5
% Vo,set
V
Vin=Vin,min to Vin,max
Io=Io,min to Io,max
Ta= -40℃ to 85℃
Over sample load, line and temperature
5Hz to 20MHz bandwidth
0.3
0.4
0.4
% Vo,set
% Vo,set
% Vo,set
% Vo,set
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
-3.0
0
+3.0
Vin=min to max, Io=min to max,1µF ceramic, 10µF Tan
Vin=min to max, Io=min to max,1µF ceramic, 10µF Tan
50
20
80
30
3
mV
mV
A
RMS
Output Current Range
Output Voltage Over-shoot at Start-up
Output DC Current-Limit Inception
Output Short-Circuit Current (Hiccup mode)
DYNAMIC CHARACTERISTICS
Dynamic Load Response
Positive Step Change in Output Current
Negative Step Change in Output Current
Setting Time to 10% of Peak Devitation
Turn-On Transient
1
% Vo,set
% Io
Adc (rms)
200
1.5
Io,s/c
10µF Tan & 1µF ceramic load cap, 2.5A/µs
50% Io, max to 100% Io, max
100% Io, max to 50% Io, max
200
200
25
mVpk
mVpk
µs
Io=Io.max
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Maximum Output Startup Capacitive Load
Von/off, Vo=10% of Vo,set
Vin=Vin,min, Vo=10% of Vo,set
Full load; ESR ≧1mΩ
Full load; ESR ≧10mΩ
7
7
10
10
1000
3000
ms
ms
µF
µF
EFFICIENCY
Vo=0.75V
Vo=1.2V
Vo=1.5V
Vo=1.8V
Vo=2.5V
Vo=3.3V
Vo=5.0V
Vin=12V, Io=Io,max
Vin=12V, Io=Io,max
Vin=12V, Io=Io,max
Vin=12V, Io=Io,max
Vin=12V, Io=Io,max
Vin=12V, Io=Io,max
Vin=12V, Io=Io,max
72.0
80.0
83.0
85.0
88.0
90.0
93.0
%
%
%
%
%
%
%
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control, (for Negative logic)
Logic Low Voltage
Logic High Voltage
Logic Low Current
Logic High Current
ON/OFF Control, (for Positive logic)
Logic High Voltage
Logic Low Voltage
Logic High Current
Logic Low Current
GENERAL SPECIFICATIONS
MTBF
300
0.2
0.2
kHz
Module On, Von/off
Module Off, Von/off
Module On, Ion/off
Module Off, Ion/off
-0.2
2.5
0.3
Vin,max
10
V
V
uA
mA
1
Module On, Von/off
Module Off, Von/off
Module On, Ion/off
Module Off, Ion/off
Vin,max
V
V
uA
mA
-0.2
0.3
10
1
Io=Io,max, Ta=25℃
38.29
2.3
M hours
grams
Weight
DS_DNT12SMD03_06252007
2
DELTA [ DELTA ELECTRONICS, INC. ]
