Datasheet

DATASHEET
DS_DIM3R3_09102010
3
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted;)
PARAMETER
NOTES and CONDITIONS
DIM3R3300 (Standard)
Min.
Typ.
Max.
Units
MANAGEMENT POWER
Operating Input Voltage
Continuous
-36
-48
-75
Output Voltage Set-point
I(MGMT_PWR)=1.25A
-1.5
+1.5
%Vo
Output Voltage (total)
Over Vin, load, temperature
-3
+3
%Vo
Output Regulation
Line Regulation
Vi= Vi,min to Vi,max
0.05
0.2
%Vo
Load Regulation
Io=Io,min to Io,max
0.05
0.2
%Vo
Temperature Regulation
Ta=Ta,min to Ta,max
1
%Vo
Output Voltage Overshoot
3
%Vo
Back-Drive Current
NA
0
mA
Switching Frequency
450
KHz
MANAGEMENT POWER (3.3V)
Output Ripple and Noise
10F Tan cap and 1F ceramic cap
RMS
5Hz to 20 MHz bandwidth
20
mV
Peak-to-peak
5Hz to 20MHz bandwidth
70
mV
Output Current
0
2.4
A
Over Current Protection
Hiccup mode
3
6.5
A
Output Short-circuit Current (RMS)
2.2
A
Hiccup Mode Restart Time
10
mS
Output Over Voltage Protection
Voltage limitation mode
5
5.4
V
Dynamic Response (20 MHz bandwidth)
load step is 50%~100%~50%, slew rate is 0.1A/S
Peak Deviation
3
5
%Vo
Settling Time
800
S
Turn-On Delay Times
I(MGMT_PWR)=2.5A
25
mS
Turn-On Rising Times
I(MGMT_PWR)=2.5A
5
mS
External Load Capacitance
Io=Io,min to Io,max
1000
F
BLUE LED POWER 5V
Operating Input Voltage
Continuous
-36
-48
-75
Vdc
Total Output Voltage Range
4.9
5
5.1
Vdc
Output Regulation
-3
3
%Vo
Output Ripple and Noise
5
mV
Operating Output Current Range
0
0.1
A