MTO SERIES
15 WATT
DC/DC CONVERTERS
INHIBIT
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient
• 150 ppm/°C typical
Input to Output Capacitance
• 80 pF typical
Current Limit
ABSOLUTE MAXIMUM RATINGS
Output Power
Inhibit TTL Open Collector
• Logic low (output disabled)
V = <0.8 V
Inhibit pin current < 2.0 mA
• Referenced to input common
• Logic high (output enabled)
Unconnected or connected to Vin
• 15 watts
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –65°C to +125°C
• 125% of full load typical
Isolation
• 100 megohm minimum at 500 V
Conversion Frequency
• 250 kHz typical
Inhibit Pin Voltage (unit enabled)
• 10 V typical
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
• MTO12XXT 9 to 16 VDC continuous
• MTO28XXT 16 to 36 VDC continuous
• MTO12XXT 25 V for 50 msec transient
• MTO28XXT 50 V for 50 msec transient
Case Operating Temperature (Tc)
• –55°C to +85°C full power
• –55°C to +115°C absolute
Derating Output Power/Current
• Linearly from 100% at 85°C to 0% at 115° C
Electrical Characteristics: 25°C Tc, 28 VDC Vin (12 VDC for 12V models), 100% load, unless otherwise specified.
MTO1212T
MIN TYP
4.95 5.0
MTO1215T
MAX MIN TYP
5.05 4.95 5.0
MTO2812T
MTO2815T
MIN TYP
4.95 5.0
PARAMETER
CONDITION
MAIN
MAX
MIN TYP MAX
MAX
UNITS
5.05
4.95
5.0
5.05
5.05
OUTPUT VOLTAGE
+ AUXILIARY
– AUXILIARY
11.88 12.0 12.12 14.85 15.0 15.15 11.88 12.0 12.12 14.85 15.0 15.15
11.88 12.0 12.12 14.85 15.0 15.15 11.88 12.0 12.12 14.85 15.0 15.15
VDC
1
MAIN
100
—
—
—
—
—
—
—
—
—
—
—
9
—
—
—
—
—
—
—
—
5
2000
±208
10.0
2.5
2.5
15
100
—
—
—
—
—
—
—
—
—
—
—
9
—
—
—
—
—
—
—
—
5
2000
±167
10.0
2.5
2.5
15
100
—
—
—
—
—
—
—
—
—
—
—
16
—
—
—
—
—
—
—
—
—
5
2000
±208
10.0
2.5
2.5
15
100
—
—
—
—
—
—
—
—
—
—
—
16
—
—
—
—
—
—
—
—
—
5
2000
±167
10.0
2.5
2.5
15
OUTPUT CURRENT
OUTPUT POWER
mA
W
AUXILIARY
MAIN
+ AUXILIARY
– AUXILIARY
TOTAL
OUTPUT RIPPLE
MAIN
80
80
80
80
mV p-p
mV
VOLTAGE, BW = 1 MHZ
LINE REGULATION
± AUXILIARY
MAIN
30
30
30
30
10
10
10
10
V
= MIN. TO MAX.
±AUXILIARY
MAIN
30
10
30
12
—
48
30
10
30
12
—
60
30
10
30
28
—
48
30
10
30
28
—
60
in
LOAD REGULATION
NO LOAD TO FULL
20
20
20
20
mV
± AUXILIARY
CONTINUOUS
TRANSIENT 50 ms
48
60
48
60
16
16
36
36
VDC
V
INPUT VOLTAGE
—
25
—
25
50
50
NO LOAD
—
—
60
—
—
60
—
—
30
—
—
30
INPUT CURRENT
FULL LOAD
INHIBITED
—
—
—
8
1670
10
—
—
—
8
1670
10
—
—
—
8
700
10
—
—
—
8
700
10
mA
INPUT RIPPLE
CURRENT
—
50
79
100
—
—
50
79
100
—
—
20
79
50
—
—
20
79
50
—
mA p-p
%
EFFICIENCY
76
76
76
76
Note
1. Minimum load required for full output capability on auxiliary outputs. Minimum current can be reduced when dual outputs are used at reduced loads.
B4-24
CRANE [ Crane Aerospace & Electronics. ]
