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HR301-285 Datasheet(PDF) 2 Page - Crane Aerospace & Electronics.

Part # HR301-285
Description  DC/DC CONVERTERS 28 VOLT INPUT
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Manufacturer  CRANE [Crane Aerospace & Electronics.]
Direct Link  http://www.craneae.com
Logo CRANE - Crane Aerospace & Electronics.

HR301-285 Datasheet(HTML) 2 Page - Crane Aerospace & Electronics.

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TYPICAL CHARACTERISTICS
INHIBIT
RECOMMENDED OPERATING CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
• 18 to 36 VDC (19 to 36 VDC HR301-2805)
Output Power
• 30 watts
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –55°C to +125°C
B4-40
HR300 SERIES
30 WATT
DC/DC CONVERTERS
Output Voltage Temperature Coefficient
• 100 ppm/°C typical
Input to Output Capacitance
• 80 pF typical single output models
• 70 pF typical HR302-2812
• 60 pF typical HR302-2815
Current Limit
• 125% of full load, typical
Isolation
• 100 megohm minimum at 500 V
Conversion Frequency
• 240 to 300 kHz
Inhibit Pin Voltage (unit enabled)
• 11 to 16 V single output models
• 8 to 12 V HR302-2812
• 10 to 14 V HR302-2815
Input Voltage Range
• 18 to 36 VDC continuous
19 to 36 VDC HR301-2805
• 50 V for 50 msec transient
Case Operating Temperature (Tc)
• –40°C to +85°C full power
Inhibit TTL Open Collector
• Logic low (output disabled)
Inhibit pin current 1 mA typical
• Referenced to input common
• Logic high (output enabled)
Open collector
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
SINGLE OUTPUT MODELS
HR301-2805
HR301-2812
HR301-2815
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE
4.95
5.0
5.05
11.88
12
12.12
14.85
15
15.15
VDC
OUTPUT CURRENT
6.0
2.5
2.0
A
OUTPUT POWER
–40°C TO +85°C
30.0
30.0
30.0
W
OUTPUT RIPPLE
BW
≤ 2 MHz
30
60
30
70
30
75
mV p-p
LINE REGULATION1
MIN. TO MAX. VIN
7
25
10
40
10
40
mV
LOAD REGULATION2
NO LOAD TO FULL
5
25
10
40
10
40
mV
INPUT VOLTAGE
NO LOAD TO FULL
19
28
36
18
28
36
18
28
36
VDC
–40°C TO +85°C
TRANSIENT 50 ms
50
50
50
INPUT CURRENT
NO LOAD
15
20
20
35
20
35
FULL LOAD
1370
1400
1400
mA
INHIBITED
15
22
22
INPUT RIPPLE
CURRENT
BW
≤ 2 MHz
5
15
10
25
10
25
mA p-p
EFFICIENCY
79
82
80
84
82
86
%
START-UP
DELAY2
—15
30
40
ms
OVERSHOOT
500
1200
1500
mV
Notes
1. For HR301-2805, with the remote sense pins connected to the load and no resistance between the output pins and load.
2. A low output impedance power source is required on the input to realize this start-up time. If less than full surge current is available, start-up time
will be longer
CAUTION
Permanent damage to the HR301-2805 will result if pin 6 is shorted to ground. Damage may also result if pin 4 or pin 5 is disconnected from the load
during operation with the remote sense leads connected to the load. If remote sense pins are not connected to the load, the output voltage of the
HR301-2805 will rise to approximately 6.2 VDC measured across pins 4 and 5.


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