
DS_DNS04SMD6A_10202006 
2
TECHNICAL SPECIFICATIONS  
(T
A 
= 25°C, airflow rate = 300 LFM, V
in 
= 2.8Vdc and 5.5Vdc, nominal Vout unless otherwise noted.) 
PARAMETER 
NOTES and CONDITIONS 
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous) 
Tracking Voltage  
Operating Temperature 
Refer to Figure 45 for measuring point 
Storage Temperature 
INPUT CHARACTERISTICS 
Operating Input Voltage 
Vo 
≦
 Vin –0.5
Input Under-Voltage Lockout 
Turn-On Voltage Threshold 
Turn-Off Voltage Threshold 
Maximum Input Current 
Vin=2.8V to 5.5V, Io=Io,max 
No-Load Input Current 
Off Converter Input Current 
Inrush Transient 
Vin=2.8V to 5.5V, Io=Io,min to Io,max 
Recommended Inout Fuse 
OUTPUT CHARACTERISTICS 
Output Voltage Set Point 
Vin=5V, Io=Io, max 
Output Voltage Adjustable Range 
Output Voltage Regulation 
Over Line 
 Vin=2.8V to 5.5V 
Over Load 
 Io=Io,min to Io,max 
Over Temperature 
 Ta=-40
℃
 to 85
℃
Total Output Voltage Range 
Over sample load, line and temperature 
Output Voltage Ripple and Noise 
5Hz to 20MHz bandwidth 
Peak-to-Peak 
Full Load, 1μF ceramic, 10μF tantalum 
RMS 
Full Load, 1μF ceramic, 10μF tantalum 
Output Current Range 
Output Voltage Over-shoot at Start-up 
Vout=3.3V 
Output DC Current-Limit Inception 
Output Short-Circuit Current (Hiccup Mode) 
Io,s/c 
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 
Negative Step Change in Output Current 
100% Io, max to 50% Io, max 
Settling Time to 10% of Peak Deviation 
Turn-On Transient 
Io=Io.max 
Start-Up Time, From On/Off Control 
Von/off, Vo=10% of Vo,set 
Start-Up Time, From Input 
Vin=Vin,min, Vo=10% of Vo,set 
Output Voltage Rise Time 
Time for Vo to rise from 10% to 90% of Vo,set 
Output Capacitive Load 
Full load; ESR 
Full load; ESR 
EFFICIENCY 
Vo=3.3V 
Vin=5V, 100% Load 
Vo=2.5V 
Vin=5V, 100% Load 
Vo=1.8V 
Vin=5V, 100% Load 
Vo=1.5V 
Vin=5V, 100% Load 
Vo=1.2V 
Vin=5V, 100% Load 
Vo=0.75V 
Vin=5V, 100% Load 
FEATURE CHARACTERISTICS 
Switching Frequency 
ON/OFF Control, (Negative logic) 
Logic Low Voltage 
Module On, Von/off  
Logic High Voltage 
Module Off, Von/off 
Logic Low Current 
Module On, Ion/off  
Logic High Current 
Module Off, Ion/off 
ON/OFF Control, (Positive Logic)  
Logic High Voltage 
Module On, Von/off 
Logic Low Voltage 
Module Off, Von/off 
Logic Low Current 
Module On, Ion/off  
Logic High Current 
Module Off, Ion/off 
0Tracking Slew Rate Capability 
Tracking Delay Time 
Delay from Vin.min to application of tracking voltage 
Tracking Accuracy 
Power-up     2V/mS 
Power-down  1V/mS 
GENERAL SPECIFICATIONS 
MTBF 
Io=80% of Io, max; Ta=25°C 
Weight 
Over-Temperature Shutdown 
Refer to Figure 45 for measuring point 
DNS04S0A0S06PFD 
Min. 
0 
-40 
-55 
2.8 
-2.0 
0.7525 
-3.0 
0 
-0.2 
1.5 
-0.2 
0.1 
10 
Typ. 
2.2 
2.0 
70 
5 
Vo,set 
0.3 
0.4 
0.8 
40 
10 
220 
3.5 
160 
160 
25 
2 
2 
2 
94.0 
91.5 
89.0 
88.0 
86.0 
81.0 
300 
0.2 
0.2 
100 
200 
13.48 
6.5 
130 
Max. 
5.8 
Vin,max 
127 
125 
5.5 
6 
0.1 
6 
+2.0 
3.63 
+3.0 
60 
15
6 
1 
5 
1000 
3000 
0.3 
Vin,max 
10 
1 
Vin,max 
0.3 
1 
10 
2 
200 
400 
Units 
Vdc 
Vdc 
°C 
°C 
V 
V 
V 
A 
mA 
mA
A
2
S 
A 
% Vo,set
V 
% Vo,set 
% Vo,set 
% Vo,set 
% Vo,set 
mV 
mV 
A 
% Vo,set 
% Io 
Adc 
mV 
mV 
μs 
ms 
ms
ms 
μF 
μF 
% 
% 
% 
% 
% 
% 
kHz 
V 
V 
μA 
mA 
V 
V 
mA 
μA 
V/msec 
ms 
mV 
mV 
M hours 
grams 
°C 
≧
1m
≧
10m