參數(shù)資料
型號(hào)： MHV283R3S
廠商： CRANE ELECTRONICS INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： DC/DC CONVERTERS 28 VOLT INPUT
中文描述： 1-OUTPUT 10 W DC-DC REG PWR SUPPLY MODULE
文件頁數(shù)： 2/14頁
文件大小： 219K
代理商： MHV283R3S
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient
100 ppm/°C typical
Undervoltage Lockout
7 V input typical
Current Limit
130% of full load typical at 25°C
Isolation
100 megohm minimum at 500 V
Audio Rejection
30 dB typical
Conversion (Switching) Frequency
Free run mode 300 kHz
typical 245 kHz. min, 355 kHz. max
Clock Frequency
External sync range 500 to 700 kHz.
Inhibit Pin Voltage (unit enabled)
11 V typical
SYNC AND INHIBIT
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
16 to 50 VDC continuous
Transient: see Electrical Characteristics tables
Case Operating Temperature (Tc)
–55°C to +125°C full power
–55°C to +130°C absolute
Derating Output Power/Current
Linearly from 100% at 125°C to 0% at 130°C
ABSOLUTE MAXIMUM RATINGS
Input Voltage
16 to 50 VDC
Output Power
15 watts (10 watts MHV283R3S)
Lead Soldering Temperature (10 sec per lead)
300°C
Storage Temperature Range (Case)
–65°C to +150°C
2
MHV SERIES
15 WATT
DC/DC C
ONVERTERS
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
Sync In (500 to 700 kHz)
Duty cycle 40% min, 60% max
Logic low 0.8 V max
Logic high 4.5 V min, 10 V max
Referenced to input common
If not used, leave unconnected
Inhibit TTL Open Collector
Logic low (output disabled)
Logic low voltage
≤
0.8 V
Inhibit pin current
8.4 mA typical, 10 mA maximum
Referenced to input common
Logic high (output enabled)
Open collector
Unconnected or 11.5 to 50 V
SINGLE OUTPUT MODELS
MHV283R3S
MHV2805S
MHV2812S
MHV2815S
PARAMETER
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
CONDITIONS
MIN
3.27
0
0
TYP
3.30
—
—
MAX
3.33
3.03
10
MIN
4.95
0
0
TYP
5.00
—
—
MAX
5.05
3.0
15
MIN
11.88
0
0
TYP
12.00 12.12
—
—
MAX
MIN
14.85 15.00
0
0
TYP
MAX
15.15
1.0
15
UNITS
VDC
A
W
V
IN
= 16 to 50 VDC
V
IN
= 16 to 50 VDC
10 kHz - 2 MHz
1.25
15
—
—
OUTPUT RIPPLE
VOLTAGE
LINE REGULATION
Tc = –55°C to +125°C
V
IN
= 16 to 50 VDC
NO LOAD TO FULL
CONTINUOUS
—
—
5
0
60
20
—
—
10
0
60
20
—
—
7
0
60
20
—
—
5
0
60
20
mV p-p
mV
LOAD REGULATION
INPUT VOLTAGE
—
16
15
28
45
50
—
16
15
28
40
50
—
16
5
28
35
50
—
16
5
28
40
50
mV
VDC
NO LOAD TO FULL
TRANSIENT 120 ms
—
—
80
—
—
80
—
—
75
—
—
60
V
INPUT CURRENT
NO LOAD
FULL LOAD
INHIBITED
10 kHz - 20 MHz
Tc = –55°C to +125°C
—
—
—
23
489
8.4
45
518
10
—
—
—
29
687
8.4
52
724
10
—
—
—
26
638
8.4
51
678
10
—
—
—
28
638
8.4
57
687
10
mA
mA
mA
INPUT RIPPLE
CURRENT
1
EFFICIENCY
LOAD FAULT
2
—
69
10
73
50
—
—
74
10
78
50
—
—
79
10
84
50
—
—
78
10
84
50
—
mA pp
%
POWER DISSIPATION
SHORT CIRCUIT
2
RECOVERY
OUTPUT CURRENT
TRIP POINT
50% – 100% – 50%
TRANSIENT
RECOVERY
DELAY
OVERSHOOT
—
—
—
—
9.5
20
—
—
—
—
11
20
—
—
—
—
11
20
—
—
—
—
10.5
20
W
ms
3.97
—
—
3.93
—
—
1.64
—
—
1.31
—
—
A
STEP LOAD
RESPONSE
3
—
—
—
—
—
—
5
50
250
700
20
100
—
—
—
—
—
—
5
0
300
1500
20
50
—
—
—
—
—
—
5
0
300
900
20
120
—
—
—
—
—
—
5
0
350
700
20
150
mV pk
μs
ms
mV pk
START-UP
0 TO 28 V
IN
Notes
1. Lin = 5.5 μH.
2. Load fault is a short circuit (<50 m
). Recovery is into a resistive load.
3. Load step transition
≥
10 μs. Recovery = time to settle to within 1% of Vout final value.
4. Input step transition
≥
10 μs. Recovery = time to settle to within 1% of Vout final value.
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