D12S2R550A Datasheet, PDF (2/11 Pages) Delta Electronics, Inc. – Non-Isolated Point of Load DC/DC Modules: 4.5V~13.8Vin, 0.6V~5.0Vout, 50A

TECHNICAL SPECIFICATIONS
(Ambient Temperature=25°C, nominal Vin=12Vdc unless otherwise specified.)
PARAMETER
NOTES and CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Operating Temperature
Storage Temperature
INPUT CHARACTERISTICS
Operating Input Voltage
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Input voltage slew rate
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range
Output Voltage Set Point
Output Voltage Regulation
Over Load
Over Line
Total output range
Output Voltage Ripple and Noise
Peak-to-Peak
Output Current Range
Output Voltage Under-shoot at Power-Off
Output short-circuit current, RMS value
Over Current Protection
Over Voltage Protection
DYNAMIC CHARACTERISTICS
Transient Response
Output Dynamic Load Response
Settling Time
Turn-On Transient
Rise Time
Turn on Delay (power)
Turn on Delay (Remote on/off)
Turn on Transient (overshoot)
Turn off Transient (undershoot)
Maximum Output Capacitance
EFFICIENCY
Vo=0.6V
Vo=1.1V
Vo=1.2V
Vo=1.5V
Vo=1.8V
Vo=2.5V
Vo=3.3V
Vo=5.0V
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control
Logic High
Logic Low
Remote Sense Range
Power Good
Power Good Delay
Output to Power Good Delay Time
GENERAL SPECIFICATIONS
Calculated MTBF
Weight
Vin=12V, Vo=5V, Io=50A
Vin=12V, Vo=5V, Io=0A
Remote OFF
dV/dt
Refer to Fig.25 for the relations between
input and output voltage
With a 0.1% trim resistor
Vo≦1.2Vdc
Vo＞1.2Vdc
Vin=Vin_min to Vin_max
Over load, line, temperature regulation
and set point
5Hz to 20MHz bandwidth
Full Load, 10uF Tan cap, total input &
output range
Vin=12V, Turn OFF
12Vin, 5Vout
Hiccup mode
Non-latching shutdown
25% step load, Slew rate=10A/uS,
0.6V~1.8V output
25% step load, Slew rate=10A/uS, 2.5V~
5.0V output
12Vin, 2.5Vout, 1µF ceramic and 10µF
Tan cap
Settling to be within regulation band (to
10% Vo deviation)
From 10% to 90% of Vo
Vin=12V, Io=min-max. (Wthin 10% of Vo)
Vin=12V, Io=min-max. (Wthin 10% of Vo)
ESR ≥ 10mΩ
ESR < 10mΩ
Vin=12V, Io=50A
Vin=12V, Io=50A
Vin=12V, Io=50A
Vin=12V, Io=50A
Vin=12V, Io=50A
Vin=12V, Io=50A
Vin=12V, Io=50A
Vin=12V, Io=50A
Fixed, per phase
Positive logic (internally pulled high)
Module On (or leave the pin open)
Module Off
Vo is out off +/-10% Vo,set
Vo is within +/-10% Vo,set
25℃, 300LFM, 80% load
Min.
-0.3
0
-40
4.5
0.6
-1.0
-20
-1.5
-0.5
-3.0
0
0
0
1.2
0
0
4.0
DS_D12S2R550_10182013
D12S2R550
Typ.
Max.
13.8
70
125
13.8
4.3
4.0
22.8
300
400
17
20
10
5.0
+1.0
+20
+1.5
+0.5
+3.0
20
50
50
100
10
70
120
120
150
130
160
20
2
2
2
0.5%
79.0
85.0
86.5
87.3
88.9
90.7
93.1
93.6
500
0.2
1
14
50
5
5
5
100
20000
5000
Vinmax
0.6
0.5
0.4
5.1
2
1
Units
Vdc
°C
°C
V
Vdc
Vdc
A
mA
mA
V/mS
Vdc
%Vo
mV
%Vo
%Vo
%Vo
mV
A
mV
A
A
%
mVpk
mVpk
µs
mS
mS
mS
Vo
mV
µF
µF
%
%
%
%
%
%
%
%
KHz
V
V
V
V
V
mS
mS
Mhours
grams
2