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HR120 Datasheet, PDF (2/6 Pages) Interpoint Corporation Company – –40°C to +85°C operation 50 V for up to 50 ms transient protection | |||
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DC/DC Converters
absolute maximum ratings
Input Voltage
⢠16 to 40 VDC
⢠19 to 40 VDC 15 volt outputs
Output Power
⢠12 watts (10 watts HR121-2805)
Lead Soldering Temperature (10 sec per pin)
⢠300°C
Storage Temperature Range (Case)
⢠â55°C to +125°C
typical characteristics
Output Voltage Temperature Coefficient
⢠150 ppm/°C, typical
Input to Output Capacitance, 50 pF, typical
Current Limit, 125% of full load, typical
Isolation, 100 megohm minimum at 500 V
Conversion Frequency, 600 kHz typical
Inhibit Pin Voltage (unit enabled), 8 to 11 V
recommended operating conditions
hr120
series
12 Watt
inhibit
Inhibit TTL Open Collector
⢠Logic low (output disabled)
Logic low 0.8 V max
Inhibit pin current 4 mA max
⢠Referenced to input common
⢠Logic high (output enabled)
Open collector
Input Voltage Range
⢠16 to 40 VDC continuous
⢠19 to 40 VDC continuous 15 volt outputs
⢠50 V for 50 msec transient
Case Operating Temperature (Tc)
⢠â40°C to +85°C full power
Derating Output Power/Current
⢠Linearly from 100% at 85°C to 0% at 115°C
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
dual output models
PARAMETER
CONDITIONS
output voltage
output current1, 2
output power2
+ vout
- vout
+ vout
- vout
total
output ripple
10 kHz to 2 MHz
line regulation
min to max vin
load regulation
no load to full
cross regulation
+ vout
- vout
+ vout
- vout
20% to 80% load3
50% load4
input voltage
continuous
transient 50 ms
input current
no load
full load
inhibited
input ripple current
10 kHz to 2 MHz
efficiency
load fault5
power dissipation
overload
short circuit
start-up
delay
hr122-2812
hr122-2815
MIN TYP MAX MIN TYP MAX
11.88 12.0 12.12 14.85 15.0 15.15
11.82 12.0 12.18 14.77 15.0 15.23
â
0.5
1.0 â
0.4
0.8
â
â
10.8 â
â
10.8
â
â
10.8 â
â
10.8
â
â
12 â
â
12
â
30
60 â
30
60
â
5
50 â
5
50
â
30
150 â
30
150
â
5
50 â
5
50
â
30
150 â
30
150
â
5
10 â
4
8
â
4
5â
3
5
16
28
32 16
28
32
â
â
50 â
â
50
â
25
35 â
25
35
â
â
545 â
â
540
â
1.9
3â
1.9
3
â 175 240 â 175 240
78
81
â 80
83
â
â
â
2.8 â
â
2
â
â
5â
â
5
â 150 250 â 150 250
UNITS
VDC
A
W
mV p-p
mV
mV
%
VDC
mA
ma p-p
%
W
ms
Notes
1.Indefinite short circuit protection not guaranteed above 85°C case temperature.
www.interpoint.com
Page 2 of 6
HR120 Rev C - 20090904
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