Datasheet

DS_DNT04SMD05_07182012
2
TECHNICAL SPECIFICATIONS
(T
A
= 25°C, airflow rate = 300 LFM, V
in
= 5Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
DNT04S0A0S05NFA
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
0
5.8
Vdc
Operating Temperature
-40
85
°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
2.05
V
Turn-Off Voltage Threshold
1.90
V
Maximum Input Current
Vin=4.5V Vo=3.3V, Io=Io, max
4.1
A
No-Load Input Current
30
45
mA
Off Converter Input Current
2
mA
Inrush Transient
Vin=2.4V to 5.5V, Io=Io, min to Io, max
0.1
A
2
S
Recommended Input Fuse
5
A
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=5V, Io=Io, max
-2.5
Vo,set
+2.5
% 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
5
A
Output Voltage Over-shoot at Start-up
1
% Vo,set
Output DC Current-Limit Inception
200
% Io
Output Short-Circuit Current (Hiccup Mode)
Io, s/c
2.2
Adc (rms)
DYNAMIC CHARACTERISTICS
Dynamic Load Response
10µF Tantalum & 1µF Ceramic load cap, 2.5A/µs
Positive Step Change in Output Current
50% Io, max to 100% Io, max
100
mV
Negative Step Change in Output Current
100% Io, max to 50% Io, max
100
mV
Setting Time to 10% of Peak Devitation
25
µs
Turn-On Transient
Io=Io.max
Start-Up Time, From On/Off Control
Von/off, Vo=10% of Vo,set
8.5
ms
Start-Up Time, From Input
Vin=Vin, min, Vo=10% of Vo,set
8.5
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
93.5
%
Vo=2.5V
Vin=5V, 100% Load
91.0
%
Vo=1.8V
Vin=5V, 100% Load
88.5
%
Vo=1.5V
Vin=5V, 100% Load
86.5
%
Vo=1.2V
Vin=5V, 100% Load
83.5
%
Vo=0.75V
Vin=5V, 100% Load
77.0
%
FEATURE CHARACTERISTICS
Switching Frequency
300
kHz
ON/OFF Control, (For 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
ON/OFF Control, (For Positive logic)
Logic HighVoltage
Module On, Von/off
Vin.max
V
Logic Low Voltage
Module Off, Von/off
-0.2
0.3
V
Logic High Current
Module On, Ion/off
10
µA
Logic Low Current
Module Off, Ion/off
0.2
1
mA
GENERAL SPECIFICATIONS
MTBF
Io=100% of Io, max; Airflow=200LFM, Ta=25°C
19.38
M hours
Weight
2.3
grams