MGA SERIES
DC/DC CONVERTERS
5 WATT
ABSOLUTE MAXIMUM RATINGS
INHIBIT
TYPICAL CHARACTERISTICS
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
Inhibit:TTL Open Collector
• Logic low (output disabled)
Logic low voltage ≤0.8 V
• Referenced to input common
• Logic high (output enabled)
Open collector
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
MGA2805S
TYP MAX
MGA2812S
TYP
MGA2815S
TYP MAX
CONDITIONS
MIN
4.95
0
MIN
MAX MIN
UNITS
VDC
mA
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
OUTPUT RIPPLE
+V
5.0
—
5.05
1000
5
11.88
0
12
—
—
100
10
10
28
—
29
—
3
12.12 14.85
15
—
—
100
10
10
28
—
31
—
3
15.15
333
5
OUT
V
V
= 16 to 40 VDC
417
5
0
IN
= 16 to 40 VDC
—
—
—
—
—
—
16
—
—
—
—
—
—
68
—
—
—
—
16
—
—
—
—
—
—
69
W
IN
10 kHz - 2 MHz
= 16 to 40 VDC
—
250
10
10
28
—
450
50
500
50
600
50
mV p-p
mV
LINE REGULATION
LOAD REGULATION
INPUT VOLTAGE
V
—
IN
NO LOAD TO FULL
CONTINUOUS
TRANSIENT 50 ms
NO LOAD
—
50
50
50
mV
16
—
40
40
40
VDC
V
NO LOAD TO FULL
INPUT CURRENT
50
50
50
—
27
—
60
60
60
FULL LOAD
—
279
4
263
4
259
4
mA
INHIBITED
—
3
INPUT RIPPLE
10 kHz - 10 MHz
EFFICIENCY
Tc = 25°C
—
50
75
69
200
300
—
50
75
74
200
300
—
50
75
74
200
300
—
mA p-p
%
Tc = –55°C to +125°C
—
64
1
LOAD FAULT
SHORT CIRCUIT
POWER DISS.
—
—
1.5
10
2.0
75
—
—
1.2
10
1.9
30
—
—
1.2
10
1.8
30
W
RECOVERY
ms
STEP LOAD
50% – 100% – 50% LOAD
TRANSIENT
2
RESPONSE
–500
—
200
200
500
500
–750
—
300
400
750 –1000
400
400
1000
1000
mV pk
µs
3
RECOVERY
1000
—
STEP LINE
16 – 40 – 16 VDC
TRANSIENT
4
RESPONSE
–500
—
0
100
.4
500
1.0
200
75
–800
—
0
200
0.5
0
800
1.3
500
30
–500
—
0
100
0.5
0
500
1.3
500
30
mV pk
ms
3
RECOVERY
START-UP
OVERSHOOT
DELAY
0
mV pk
ms
0
10
0
10
0
10
INHIBIT PIN
CURRENT
INHIBITED
—
—
—
2.5
50
—
4.0
—
—
—
—
2.5
40
—
4.0
—
—
—
—
2.5
60
—
4.0
—
mA
pF
CAPACITANCE
CAPACITIVE LOAD
INPUT TO OUTPUT
300
500
500
µF
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. ]
