Datasheet

DS_DIM3R3400_08142013 E-mail: [e-mail]
http://www.deltaww.com/dcdc
P3
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted;)
PARAMETER
NOTES and CONDITIONS
DIM3R3400 (Standard)
Min.
Typ.
Max.
Units
MANAGEMENT POWER (3.3V)
Operating Input Voltage
Continuous
-36
-48
-75
Total Output Voltage Range (total)
Over Vin, load, temperature
3.17
3.30
3.43
V
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
2
%Vo
Output Voltage Overshoot
5
%Vo
Switching Frequency
450
KHz
Output Ripple and Noise
10F Tan cap and 1F ceramic cap
RMS
5Hz to 20 MHz bandwidth
12
30
mV
Peak-to-peak
5Hz to 20MHz bandwidth
50
80
mV
Output Current
0
3.6
A
Over Current Protection
Hiccup mode
4
5.5
7
A
Output Over Voltage Protection
Voltage limitation mode
3.7
5.4
V
Dynamic Response (20 MHz bandwidth)
load step is 50%~100%~50%, slew rate is 0.1A/S
Peak Deviation
6
%Vo
Settling Time
100
S
Turn-On Delay Times
I(3.3V)=3.6A
80
mS
Turn-On Rising Times
I(3.3V)=3.6A
2
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 Ripple and Noise
30
mV
Operating Output Current Range
0
0.15
A
Dual Enable Input Characteristics
Enable_A/B Threshold
32
34
36
V
Current drain per enable pin(Vin=-75V)
0.38
mA
Digital Signal Interface Characteristics
Clock Rate
100
400
kHz
Measurement Tolerance
Feed Voltage A/B
+/-3
%
Holdup Voltage
+/-3
%
-48V_OUT Current
+/-3
%
Temperature
NTC resistor temperature Above 25°C
+/-3
%
GENERAL SPECIFICATIONS
Weight
30
Grams
Calculated MTBF
80% load,300LFM, 40°C Ta
2.49
Mhours
Over-Temperature Shutdown (Hot Spot)
Refer to Figure 13 for Hot spot location
(48Vin,80%Po, 200LFM,Airflow from Vin- to Vin+)
130
°C
Over-Temperature Shutdown (NTC Resistor)
Refer to Figure 13 for NTC resistor location
125
°C
Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spot’s temperature is just for reference.