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參數(shù)資料
| 型號： | MHF2812D |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DC/DC CONVERTERS 28 VOLT INPUT |
| 中文描述： | DC / DC轉(zhuǎn)換28伏的輸入 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 149K |
| 代理商： | MHF2812D |
ABSOLUTE MAXIMUM RATINGS
Input Voltage
16 to 40 VDC (19 to 40 VDC 15 volt output)
Output Power
12 watts (10 watts MHF2805S)
Lead Soldering Temperature (10 sec per lead)
300°C
Storage Temperature Range (Case)
–55°C to +135°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
INHIBIT
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
16 to 40 VDC continuous
19 to 40 VDC 15 volt outputs continuous
50 V for 50 msec transient
Case Operating Temperature (Tc)
–55°C to +125°C full power
–55°C to +110°C full power for MHF2805S
–55°C to +135°C absolute
–55°C to +130°C absolute for MHF2805S
Derating Output Power/Current
Linearly from 100% at 125°C to 0% at 135°C
Linearly from 100% at 110°C to 0% at 130°C
for MHF2805S
B2-78
MHF SERIES
12 WATT
DC/DC C
ONVERTERS
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
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
SINGLE OUTPUT MODELS
MHF2805S
MHF2812S
MHF2815S
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
—
—
2.0
—
—
1.0
—
—
0.8
A
OUTPUT POWER
MIN. TO MAX. V
IN
10 kHz to 2 MHz
—
—
10
—
—
12
—
—
12
W
OUTPUT RIPPLE
—
40
60
—
30
60
—
25
50
mV p-p
LINE REGULATION
MIN. TO MAX. V
IN
NO LOAD TO FULL
—
10
50
—
10
50
—
10
50
mV
LOAD REGULATION
—
10
50
—
10
50
—
10
50
mV
INPUT VOLTAGE
CONTINUOUS
16
28
40
16
28
40
19
28
40
VDC
TRANSIENT 50 ms
—
—
50
—
—
50
—
—
50
V
INPUT CURRENT
NO LOAD
—
20
30
—
20
30
—
20
30
FULL LOAD
—
—
483
—
—
557
—
—
535
mA
INHIBITED
—
2
3
—
2
3
—
2
3
INPUT RIPPLE
CURRENT
10 kHz TO 2 MHz
—
135
180
—
150
200
—
150
220
mA p-p
EFFICIENCY
LOAD FAULT
1
74
77
—
77
81
—
80
83
—
%
POWER DISSIPATION
OVERLOAD
—
—
5
—
—
5
—
—
5
W
SHORT CIRCUIT
—
–
3.5
—
—
2.8
—
—
2
START-UP
DELAY
—
180
300
—
80
200
—
150
250
ms
Notes
1. Indefinite short circuit protection not guaranteed above 125°C case temperature (110°C case for MHF2805S).
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| MHF2812D/ES | 制造商:CRANE 制造商全稱:CRANE 功能描述:DC/DC CONVERTERS 28 VOLT INPUT |
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| MHF2812S/ES | 制造商:CRANE 制造商全稱:CRANE 功能描述:DC/DC CONVERTERS 28 VOLT INPUT |
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