Technical specifications – Delta Electronics Delphi NC30 User Manual
Page 2

DS_NC12S30A_05222008
2
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=400LFM, V
in
=12Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
NC12S0A0V30
Min. Typ. Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
14
Vdc
Operating Temperature
Refer to Figures 36 and 41 for the measuring point
-40
125
°C
Storage Temperature
-40
125
°C
Input/Output Isolation Voltage
Non-isolated
NA
V
INPUT CHARACTERISTICS
Operating Input Voltage
10.2
12
13.8
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
9.0
V
Turn-Off Voltage Threshold
8.3
V
Lockout Hysteresis Voltage
0.7
V
Maximum Input Current
100% Load, 10.2Vin, 5Vout
15.6
A
No-Load Input Current
160
mA
Off Converter Input Current
10
mA
Input Reflected-Ripple Current
Refer to Figure 35
150
mA
Input Voltage Ripple Rejection
120 Hz
55
dB
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range
0.9
5.0
V
Output Voltage Set Point
Vin=12V, Io=Io,max, Ta=25℃, 1% trim resistors
-3.0 +3.0
%
Output Voltage Regulation
Over Load
Io=Io,min to Io,max
-1.0
+1.0
%
Over Line
Vin=Vin,min to Vin,max
-0.2
+0.2
%
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
50
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
15
mV
Output Current Range
0
30
A
Output Voltage Over-shoot at Start-up
Vin=12V, Turn ON
1
%
Output Voltage Under-shoot at Power-Off
Vin=12V, Turn OFF
100
mV
Output DC Current-Limit Inception
36
A
Output Short-Circuit Current (Hiccup mode)
36
A
DYNAMIC CHARACTERISTICS
Out Dynamic Load Response
12Vin, 10µF Tan & 1µF Ceramic load cap, 10A/µs
Positive Step Change in Output Current
50% Io,max to 75% Io,max
75
mV
Negative Step Change in Output Current
75% Io,max to 50% Io,max
75
mV
Setting Time
Settling to be within regulation band (+/- 3.0%)
150
µs
Turn-On Transient
Io=Io.max
Start-Up Time, From On/Off Control
Vin=12V, Vo=10% of Vo,set, Ta=25℃
10
ms
Start-Up Time, From Input
Vo=10% of Vo,set, Ta=25℃
30
ms
Minimum Output Startup Capacitive Load
Ex: Two OSCON 6.3V/680µF (ESR 13mΩ max each)
1360
Maximum Output Startup Capacitive Load
Full load; ESR ≧10mΩ
5440
µF
Minimum Input Capacitance
Ex: OSCON 16V/270µF (ESR 18mΩ max)
270 µF
EFFICIENCY
Vo=0.9V
Vin=12V, Io=30A
78
%
Vo=1.2V
Vin=12V, Io=30A
82
%
Vo=1.5V
Vin=12V, Io=30A
85
%
Vo=1.8V
Vin=12V, Io=30A
87
%
Vo=2.5V
Vin=12V, Io=30A
90
%
Vo=3.3V
Vin=12V, Io=30A
92
%
Vo=5.0V
Vin=12V, Io=30A
94
%
FEATURE CHARACTERISTICS
Switching Frequency
300
KHz
ON/OFF Control
Positive logic (internally pulled high)
Logic High
Module On (or leave the pin open)
2.4
Vin,max
V
Logic Low
Module Off
-0.2
0.8
V
Remote Sense Range
0.4
V
GENERAL SPECIFICATIONS
MTBF
1.69
M hours
Weight
36
grams
Over-Temperature Shutdown
Auto restart, refer to Fig. 36&41 for the measuring point
130
°C