DS_DNM04SMD10_07162008
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
DNM04S0A0S10PFD
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
0
5.8
Vdc
Tracking Voltage
Vin,max
Vdc
Operating Temperature
Refer to Figure 44 for measuring point
-40
+125
°C
Storage Temperature
-55
+125
°C
INPUT CHARACTERISTICS
Operating Input Voltage
Vout
≦
Vin –0.5
2.8
5.5
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
2.2
V
Turn-Off Voltage Threshold
2.0
V
Maximum Input Current
Vin=2.8V to 5.5V, Io=Io,max
10
A
No-Load
Input
Current
70
mA
Off Converter Input Current
5
mA
Inrush Transient
Vin=2.8V to 5.5V, Io=Io,min to Io,max
0.1
A
2
S
Recommended Inout Fuse
15
A
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=5V, Io= Io, max
-2.0
Vo,set
+2.0
% Vo,set
Output Voltage Adjustable Range
0.7525
3.63
V
Output
Voltage
Regulation
Over Line
Vi=Vi,min to Vi,max
0.3
% Vo,set
Over Load
Io=Io,min to Io,max
0.4
% Vo,set
Over Temperature
Tc=-40
℃
to 100
℃
0.8
% 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
25
50
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
8
15
mV
Output Current Range
0
10
A
Output Voltage Over-shoot at Start-up
Vout= 3.3V
1
% Vo,set
Output DC Current-Limit Inception
220
% Io
Output Short-Circuit Current (Hiccup Mode)
Io,s/c
3.5
Adc
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
200
mV
Negative Step Change in Output Current
100% Io, max to 50% Io, max
200
mV
Setting Time to 10% of Peak Deviation
25
µs
Turn-On Transient
Io=Io.max
Start-Up Time, From On/Off Control
Vin=Vin,min, Vo=10% of Vo,set
4
ms
Start-Up Time, From Input
Vo=10% of Vo,set
4
ms
Output Voltage Rise Time
Time for Vo to rise from 10% to 90% of Vo,set
4
8
ms
Output Capacitive Load
Full load; ESR
≧
1m
Ω
1000
µF
Full load; ESR
≧
10m
Ω
5000
µF
EFFICIENCY
Vo=3.3V
Vin=5V, 100% Load
96.0
%
Vo=2.5V
Vin=5V, 100% Load
94.3
%
Vo=1.8V
Vin=5V, 100% Load
92.7
%
Vo=1.5V
Vin=5V, 100% Load
91.7
%
Vo=1.2V
Vin=5V, 100% Load
90.2
%
Vo=0.75V
Vin=5V, 100% Load
86.4
%
FEATURE CHARACTERISTICS
Switching Frequency
300
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
1.5
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, (Positive Logic)
Logic High Voltage
Module On, Von/off
Vin,max
V
Logic Low Voltage
Module Off, Von/off
-0.2
0.3
V
Logic Low Current
Module On, Ion/off
0.2
1
mA
Logic High Current
Module Off, Ion/off
10
µA
Tracking Slew Rate Capability
0.1
2
V/msec
Tracking Delay Time
Delay from Vin.min to application of tracking voltage
10
ms
Tracking Accuracy
Power-up 2V/mS
100
200
mV
Power-down 1V/mS
200
400
mV
Remote Sense Range
0.1
V
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C
22.9
M hours
Weight
9
grams
Over-Temperature Shutdown
Refer to Figure 44 for measuring point
130
°C
