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ASQ24 DC-DC Converter Series Data Sheet
18 to 36 VDC Input; 1.0 to 12 VDC Output
V IN
ON/OFF
STATE OFF
ON
V OUT
100 ms
Fig. G: Start-up scenario #3.
t 0
t 1
t 2
t 3 t 4
t 5
t
Electrical Specifications: ASQ24T/S04120 (12 Volts Out)
Conditions: T A =25oC, Airflow=300 LFM (1.5 m/s), Vin=24VDC, Vout=12 VDC unless otherwise specified.
PARAMETER
NOTES
MIN
TYP
MAX
UNITS
INPUT CHARACTERISTICS
Maximum Input Current
Input Stand-by Current
Input No Load Current (0 load on the output)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
4 ADC, 12 VDC Out @ 18 VDC In
Vin = 24V, converter disabled
Vin = 24V, converter enabled
25MHz bandwidth
120Hz
3
100
6
TBD
3.1
ADC
mADC
mADC
mA PK-PK
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point (no load)
11.880
12.000
12.120
VDC
Output Regulation
Over Line
Over Load
±4
±4
±10
±10
mV
mV
Output Voltage Range
Over line, load and temperature
2
11.820
12.180
VDC
Output Ripple and Noise - 25MHz bandwidth
External Load Capacitance
Output Current Range
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Full load + 10 μ F tantalum + 1 μ F ceramic
Plus full load (resistive)
Non-latching
Non-latching. Short=10m ? .
Non-latching
0
90
5
7.5
120
1000
4
5.5
10
1
mV PK-PK
μ F
ADC
ADC
A
Arms
DYNAMIC RESPONSE
Load Change 25% of Iout Max, di/dt = 0.1 A/ μ S
di/dt = 5 A/ μ S
Setting Time to 1%
Co = 1 μ F ceramic
1 μ F ceramic
150
200
20
mV
mV
μs
EFFICIENCY
100% Load
50% Load
Additional Notes: 2.
-40oC to 85oC
87
87
%
%
MCD10004 Rev. 1.4, 10-Jun-10
Page 8 of 70
www.power-one.com
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