Datasheet

DS_DCL12S0A0S20NFA_06182014 E-mail: [e-mail]
http://www.deltaww.com/dcdc
P2
TECHNICAL SPECIFICATIONS
PARAMETER
NOTES and CONDITIONS
DCL12S0A0S20NFA
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous)
-0.3
15
V
Sequencing Voltage
-0.3
Vin max
V
Operating Ambient Temperature
-40
85
℃
Storage Temperature
-55
125
℃
INPUT CHARACTERISTICS
Operating Input Voltage
Vo ≦ Vin –0.6
4.5
14
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
4.45
V
Turn-Off Voltage Threshold
4.2
V
Lockout Hysteresis Voltage
0.25
V
Maximum Input Current
Vin=4.5V to14V, Io=Io,max
20
A
No-Load Input Current (Io = 0, module
enabled)
Vin= 10V, Vo,set = 0.69 Vdc
60
mA
Vin= 12V, Vo,set = 3.3 Vdc
74
mA
Off Converter Input Current (VIN = 12.0Vdc,
module disabled)
3
mA
Inrush Transient
1
A2S
Input Reflected Ripple Current, peak-to-peak
(5Hz to 20MHz, 1μH source impedance; Vin =0 to 14V,
Io=Iomax ;
43
mAp-p
Input Ripple Rejection(120Hz)
45
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
with 0.5% tolerance for external resistor used to set
output voltage)
-1.5
Vo,set
+1.5
%Vo,set
Output Voltage Adjustable Range
(selected by an external resistor)
0.69
5.0
V
Output Voltage Regulation
Line(VIN=VIN, min to VIN, max)
For Vo>=2.5V
0.4
%Vo,set
Vo,set
For Vo<2.5V
10
mV
Load(Io=Io, min to Io, max)
For Vo>=2.5V
10
mV
For Vo<2.5V
5
mV
Temperature(Tref=TA, min to TA, max)
For Vo>=2.5V
0.5
%Vo,set
Vo,set
For Vo<2.5V
5
mV
Total Output Voltage Range
Over sample load, line and temperature
-2.5
+2.5
%Vo,set
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Vin= Vin nominal, Io=Io,min to Io,max, Co= 1µF+10uF
ceramic,
80
mV
RMS
Vin= Vin nominal, Io=Io,min to Io,max, Co= 1µF+10uF
ceramic,
28
mV
Output Current Range
0
20
A
Output Voltage Over-shoot at Start-up
5
% Vo,set
Output DC Current-Limit Inception
140
% Io
Output Short-Circuit Current (Hiccup Mode)
Io,s/c
2.6
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
380
mV
Negative Step Change in Output Current
100% Io, max to 50% Io, max
380
mV
Settling Time to 10% of Peak Deviation
30
µs
Turn-On Transient
Io=Io.max
Start-Up Time, From On/Off Control
Time for Von/off to Vo=10% of Vo,set
2
ms
Start-Up Time, From Input
Time for Vin=Vin,min to Vo=10% of Vo,set
2
ms
Output Voltage Rise Time
Time for Vo to rise from 10% to 90% of Vo,set
5
ms
Output Capacitive Load
Full load; ESR ≧0.15mΩ
94
1000
µF
EFFICIENCY
Vo=5.0V
Vin=12V, 100% Load
93
%
Vo=3.3V
Vin=12V, 100% Load
92
%
Vo=2.5V
Vin=12V, 100% Load
90
%
Vo=1.8V
Vin=12V, 100% Load
89
%
Vo=1.2V
Vin=12V, 100% Load
83
%
Vo=0.69V
Vin=10V, 100% Load
79
%
FEATURE CHARACTERISTICS
Switching Frequency
500
kHz
Synchronization Frequency Range
520
600
kHz
ON/OFF Control, (Negative logic)
Logic Low Voltage
Module On, Von/off
0
1
V
Logic High Voltage
Module Off, Von/off
2
Vin,max
V
Logic Low Current
Module On, Ion/off
10
µA
Logic High Current
Module Off, Ion/off
1
mA
ON/OFF Control, (Positive Logic)
Logic High Voltage
Module On, Von/off
Vin-1
Vin,max
V
Logic Low Voltage
Module Off, Von/off
3.5
V
Logic Low Current
Module On, Ion/off
3
mA
Logic High Current
Module Off, Ion/off
25
µA
Tracking Slew Rate Capability
0.5
V/msec
Tracking Delay Time
Delay from Vin.min to application of tracking voltage
10
ms
Tracking Accuracy
Power-up 0.5V/mS
100
mV
Power-down 0.5V/mS
150
mV
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C
32.51
M hours
Weight
5.5
grams
(T
A
= 25°C, airflow rate = 300 LFM, V
in
= 4.5Vdc and 14.0Vdc, nominal Vout unless otherwise noted.)