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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
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)
• –55°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)
• –40°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
—
0.5
1.0 —
0.4
0.8
—
—
10.8 —
—
10.8
—
—
10.8 —
—
10.8
—
—
12 —
—
12
—
30
60 —
30
60
—
5
50 —
5
50
—
30
150 —
30
150
—
5
50 —
5
50
—
30
150 —
30
150
—
5
10 —
4
8
—
4
5—
3
5
16
28
32 16
28
32
—
—
50 —
—
50
—
25
35 —
25
35
—
—
545 —
—
540
—
1.9
3—
1.9
3
— 175 240 — 175 240
78
81
— 80
83
—
—
—
2.8 —
—
2
—
—
5—
—
5
— 150 250 — 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