MGA SERIES
5 WATT
ABSOLUTE MAXIMUM RATINGS
Input Voltage
• 16 to 40 V
Output Power
• 5 watts
Lead Soldering Temperature
• Reflow 220°C 30 sec. max
SN60, 62 or 63 recommended solder
• Hand solder 300°C 10 sec. max. per lead
Storage Temperature Range (Case)
• –65°C to +150°C
DC/DC C
ONVERTERS
INHIBIT
Inhibit: TTL Open Collector
• Logic low (output disabled)
Logic low voltage
≤0.8
V
• Referenced to input common
• Logic high (output enabled)
Open collector
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient
• 100 ppm/°C typ, 150 ppm/C max
Current Limit
• 115% of full load typical
Isolation
• Input to output
• Any pin to case except case pins
• 100 megohm minimum at 500 V
Conversion Frequency
• 500 kHz typical
450 kHz. min, 600 kHz max
Inhibit Pin Voltage (unit enabled)
• 9 to 11 V
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
• 16 to 40 VDC continuous
• 50 V for up to 50 msec transient
Case Operating Temperature (Tc)
• –55°C to +125°C full power
• –55°C to +135°C absolute
Derating Output Power/Current (Tc)
• Linearly from 100% at 125°C to 0% at 135°C
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
SINGLE OUTPUT MODELS
PARAMETER
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
OUTPUT RIPPLE
LINE REGULATION
LOAD REGULATION
INPUT VOLTAGE
NO LOAD TO FULL
INPUT CURRENT
CONDITIONS
+V
OUT
V
IN
= 16 to 40 VDC
V
IN
= 16 to 40 VDC
10 kHz - 2 MHz
V
IN
= 16 to 40 VDC
NO LOAD TO FULL
CONTINUOUS
TRANSIENT 50 ms
NO LOAD
FULL LOAD
INHIBITED
INPUT RIPPLE
10 kHz - 10 MHz
EFFICIENCY
LOAD FAULT
1
SHORT CIRCUIT
POWER DISS.
RECOVERY
STEP LOAD
RESPONSE
2
STEP LINE
RESPONSE
4
START-UP
INHIBIT PIN
CURRENT
CAPACITANCE
CAPACITIVE LOAD
INHIBITED
INPUT TO OUTPUT
—
—
—
2.5
50
—
4.0
—
300
—
—
—
2.5
40
—
4.0
—
500
—
—
—
2.5
60
—
4.0
—
500
mA
pF
µF
50% – 100% – 50% LOAD
TRANSIENT
RECOVERY
3
16 – 40 – 16 VDC
TRANSIENT
RECOVERY
3
OVERSHOOT
DELAY
–500
—
0
0
100
.4
0
10
500
1.0
200
75
–800
—
0
0
200
0.5
0
10
800
1.3
500
30
–500
—
0
0
100
0.5
0
10
500
1.3
500
30
mV pk
ms
mV pk
ms
–500
—
200
200
500
500
–750
—
300
400
750
1000
–1000
—
400
400
1000
1000
mV pk
µs
—
—
1.5
10
2.0
75
—
—
1.2
10
1.9
30
—
—
1.2
10
1.8
30
W
ms
Tc = 25°C
Tc = –55°C to +125°C
MIN
4.95
0
—
—
—
—
16
—
—
—
—
—
—
64
MGA2805S
TYP
5.0
—
—
250
10
10
28
—
27
—
3
50
75
69
MAX
5.05
1000
5
450
50
50
40
50
60
279
4
200
300
—
MIN
11.88
0
—
—
—
—
16
—
—
—
—
—
—
68
MGA2812S
TYP
12
—
—
100
10
10
28
—
29
—
3
50
75
74
MAX
417
5
500
50
50
40
50
60
263
4
200
300
—
MIN
0
—
—
—
—
16
—
—
—
—
—
—
69
MGA2815S
TYP
15
—
—
100
10
10
28
—
31
—
3
50
75
74
MAX
15.15
333
5
600
50
50
40
50
60
259
4
200
300
—
%
mA p-p
mA
UNITS
VDC
mA
W
mV p-p
mV
mV
VDC
V
12.12 14.85
Notes
1. Indefinite short circuit protection not guaranteed above 125°C (case).
2. Load transient transition time is >10 µs.
3. Recovery time is measured from application of the transient to the point at
which Vout is within regulation.
4. Input step transition time is >10µs.
B2-82
CRANE [ Crane Aerospace & Electronics. ]
