NC12S15A_01102008
2
TECHNICAL SPECIFICATIONS
(Ambient Temperature=25°C, minimum airflow=200LFM, nominal V
in
=12Vdc unless otherwise specified.)
PARAMETER
NOTES and CONDITIONS
NC12S0A0V/H15
Min. Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
14
Vdc
Operating Temperature (Vertical)
With appropriate air flow and derating, see Figs 33
0
130
°C
Operating Temperature (Horizontal)
With appropriate air flow and derating, see Figs 39
0
125
°C
Storage Temperature
-40
125
°C
Input/Output Isolation Voltage
Non-isolated
NA
V
INPUT CHARACTERISTICS
Operating Input Voltage
10.2
12.0
13.8
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
9.0
V
Turn-Off Voltage Threshold
7.5
V
Lockout Hysteresis Voltage
1.5
V
Maximum Input Current
100% Load, 10.2Vin, 5.0Vout
8.1
A
No-Load Input Current
Vin=12V, Vout=0.9V
65
mA
Off Converter Input Current
Remote OFF
9
mA
Input Reflected-Ripple Current
Refer to Figure 31.
150
mA
Input Ripple Rejection
120Hz
45
dB
OUTPUT CHARACTERISTICS
Output Voltage Adjustment Range
0.9
5.0
V
Output Voltage Set Point
With a 1.0% trim resistor
-2.5
+2.5
%
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, 100nF ceramic, 10µF tantalum
50
mV
RMS
Full Load, 100nF ceramic, 10µF tantalum
20
mV
Output Current Range
0
15
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
Hiccup mode
16
A
Output Short-Circuit Current
Hiccup mode
DYNAMIC CHARACTERISTICS
Output Dynamic Load Response
12Vin, 100nF ceramic, 10µF tantalum load cap, 10A/µs
Positive Step Change in Output Current
50% Io_max to 75% Io_max
100
mV
Negative Step Change in Output Current
75% Io_max to 50% Io_max
100
mV
Settling Time
Settling to be within regulation band (Vo +/- 2.5%)
200
µs
Turn-On Transient
Start-Up Time, from On/Off Control
From Enable high to 10% of Vo
10
ms
Start-Up Time, from input power
From Vin=12V to 10% of Vo
10
ms
Minimum Output Capacitance
Ex: OSCON 6.3V/680µF (ESR 13 m
Ω
max.)
680
µF
Maximum Output Startup Capacive Load
Full Load
6800
µF
Minimum Input Capacitance
Ex: OSCON 16V/270µF (ESR 18 m
Ω
max.)
270
µF
EFFICIENCY
Vo=0.9V
Vin=12V, Io=15A
75
%
Vo=1.2V Vin=12V,
Io=15A
79
%
Vo=1.5V
Vin=12V, Io=15A
81
%
Vo=1.8V Vin=12V,
Io=15A
84
%
Vo=2.5V
Vin=12V, Io=15A
87
%
Vo=3.3V Vin=12V,
Io=15A
89
%
Vo=5.0V
Vin=12V, Io=15A
91
%
FEATURE CHARACTERISTICS
Switching Frequency
fixed
300
KHz
ON/OFF Control
Positive logic (internally pulled high)
Logic High
Module On (or leave the pin open)
2.4
5.5
V
Logic Low
Module Off
0
0.8
V
GENERAL SPECIFICATIONS
MTBF
Telcordia SR-332 Issue1 Method1 Case3 at 50°C
2.1
M hours
Weight
16.5
grams
