JUN 01, 2003 revised to NOV 22, 2006
Page 2 of 14
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Q24T30025 DC-DC Converter Data Sheet
18-36 VDC Input; 2.5 VDC @ 30A Output
Electrical Specifications
Conditions: TA=25C, Airflow=300 LFM (1.5 m/s), Vin=24 Vdc, unless otherwise specified.
PARAMETER
NOTES
MIN
TYP
MAX
UNITS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
0
40
Vdc
Operating Ambient Temperature
-40
85
°C
Storage Temperature
-55
125
°C
INPUT CHARACTERISTICS
Operating Input Voltage Range
18
24
36
Vdc
Input Under Voltage Lockout
Non-latching
Turn-on Threshold
16
17
17.5
Vdc
Turn-off Threshold
15
16
16.5
Vdc
OUTPUT CHARACTERISTICS
External Load Capacitance
Plus full load (resistive)
30,000
F
Output Current Range
0
30
Adc
Current Limit Inception
Non-latching
33
36
40
Adc
Peak Short-Circuit Current
Non-latching. Short=10m.
45
55
A
RMS Short-Circuit Current
Non-latching
8
Arms
ISOLATION CHARACTERISTICS
I/O Isolation
2000
Vdc
Isolation Capacitance
230
ρF
Isolation Resistance
10
M
FEATURE CHARACTERISTICS
Switching Frequency
435
kHz
Output Voltage Trim Range
1
Use trim equations on Page 6
-20
+10
%
Remote Sense Compensation
1
Percent of VOUT(NOM)
+10
%
Output Over-Voltage Protection
Non-latching
117
122
127
%
Over-Temperature Shutdown (PCB)
Non-latching
118
°C
Auto-Restart Period
Applies to all protection features
100
ms
Turn-On Time
2.5
ms
ON/OFF Control (Positive Logic)
Converter Off
-20
0.8
Vdc
Converter On
2.4
20
Vdc
ON/OFF Control (Negative Logic)
Converter Off
2.4
20
Vdc
Converter On
-20
0.8
Vdc
Additional Notes:
1.
Vout can be increased up to 10% via the sense leads or up to 10% via the trim function, however total output voltage trim from all sources
should not exceed 10% of VOUT(NOM), in order to insure specified operation of over-voltage protection circuitry. See further discussion at end of
Output Voltage Adjust /TRIM section.