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參數(shù)資料
| 型號： | MCH2812S |
| 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 1.5 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | HERMETIC SEALED PACKAGE-7 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 156K |
| 代理商： | MCH2812S |
3
MCH SERIES
1.5 WATT
DC/DC C
ONVERTERS
Notes:
1. Specified at 50% load.
2. Lin = 2 μH.
3. Maximum duration of short circuit: 25°C-– 90 seconds, 125°C – 30 seconds.
4. Load fault is a short circuit (<50 mohms). Recovery is into resistive full load.
5. Transition
≥
10 μs. Recovery = time to settle to within 1% of Vout final value.
6. Max. spec indicates 80% of the converter’s total power, available from either
output.
7. Specification applies to both + and – Vout.
8. Although no minimum load is required, at no load the output voltage may
increase up to 15%.
DUAL OUTPUT MODELS
PARAMETER
OUTPUT VOLTAGE
1
MCH2805D
MIN
TYP
±4.95
±4.80
0
±150
MCH2812D
MIN
TYP
±11.88
±11.52
0
±62.5
MCH2815D
MIN
TYP
CONDITIONS
Tc = 25°C
Tc = –55°C TO +125°C
V
IN
= 12 TO 50 VDC
V
IN
= 12 TO 50 VDC
10 kHz - 2 MHz
Tc = –55°C TO +125°C
MAX
±5.05
±5.20
240
MAX
±12.12 ±14.85
±12.48
100
MAX
±15.15
±15.60
80
UNITS
±5
±5
±12
±12
±15
±15
±50
VDC
±14.40
0
OUTPUT CURRENT
6
mA
OUTPUT POWER
0
—
1.5
0
—
1.5
0
—
1.5
W
OUTPUT RIPPLE
VOLTAGE +V
OUT
—
—
35
50
150
250
—
—
35
40
150
250
—
—
30
35
150
250
mV p-p
–V
OUT
10 kHz - 2 MHz
Tc = –55°C TO +125°C
V
= 12 TO 50 VDC
Tc = –55°C TO +125°C
10% TO FULL
–55°C TO +125°C
—
—
—
—
—
—
35
50
10
20
300
350
150
250
50
100
600
700
—
—
—
—
—
—
35
40
100
110
550
570
150
250
300
400
1100
1200
—
—
—
—
—
—
30
35
165
180
600
630
150
250
500
650
1300
1400
LINE REGULATION
7
mV
LOAD REGULATION
8
±V
OUT
mV
50% TO FULL
–55°C TO +125°C
CONTINUOUS
TRANSIENT 120 ms
NO LOAD
Tc = –55°C TO +125°C
FULL LOAD
Tc = –55°C TO +125°C
INHIBITED
Tc = –55°C TO +125°C
10 kHz - 10 MHz
Tc = –55°C TO +125°C
Tc = 25°C
Tc = –55°C TO +125°C
—
—
12
0
—
—
—
—
—
—
—
—
73
70
80
100
28
—
5.0
6.0
69
72
2.3
2.4
100
130
77
75
200
300
50
80
10
12
73
77
3.2
3.5
200
250
—
—
—
—
12
0
—
—
—
—
—
—
—
—
73
70
115
130
28
—
7.5
8.0
70
71
2.3
2.4
115
150
77
75
250
350
50
80
13
14
73
77
3.2
3.5
200
250
—
—
—
—
12
0
—
—
—
—
—
—
—
—
72
69
125
135
28
—
7.5
8.0
71
72
2.3
2.4
90
120
76
74
300
400
50
70
13
14
74
78
3.2
3.5
200
250
—
—
INPUT VOLTAGE
NO LOAD TO FULL
INPUT CURRENT
VDC
V
mA
INPUT RIPPLE
2
CURRENT
EFFICIENCY
mA p-p
%
LOAD FAULT
3,4
POWER DISSIPATION
Tc = –55°C TO +125°C
RECOVERY
Tc = –55°C TO +125°C
50 %–100%– 50% LOAD
TRANSIENT
Tc = –55°C TO +125°C
RECOVERY
–55°C TO +125°C
12 TO 50 TO 12 V
IN
TRANSIENT
Tc = –55°C TO +125°C
RECOVERY
Tc = –55°C TO +125°C
DELAY
Tc = –55°C TO +125°C
—
—
—
—
1.4
1.6
3.7
3.8
2.2
2.5
15
20
—
—
—
—
2.5
2.7
3.2
3.2
3.8
4.2
15
20
—
—
—
—
2.7
3.0
4.0
4.0
4.1
4.5
15
20
W
ms
STEP LOAD
RESPONSE
5
± V
OUT
–300
–400
—
—
130
140
100
100
300
400
400
500
–600
–700
—
—
250
260
165
165
600
700
700
800
–600
–700
—
—
250
270
50
50
600
700
200
300
mV pk
μs
STEP LINE
RESPONSE
± V
OUT
–250
–300
—
—
—
—
125
130
0.6
0.6
8
10
250
300
2.5
3.0
25
45
–500
–600
—
—
—
—
240
250
0.9
0.9
8
10
500
600
3.0
4.0
25
45
–500
–600
—
—
—
—
220
230
0.6
0.7
8
10
500
600
3.0
4.0
25
45
mV pk
ms
START–UP
0 TO 28 VDC, ± V
OUT
ms
OVERSHOOT
Tc = –55°C TO +125°C
—
—
0
0
100
150
—
—
0
0
250
350
—
—
0
0
750
900
mV pk
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
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