參數(shù)資料
型號(hào)： SMSA
廠商： Standard Power
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(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 274K
代理商： SMSA
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
16 to 40 VDC continuous
50 V for up to 50 msec transient
Case Operating Temperature (Tc)
–55°C to +125°C full power
–55°C to +135°C absolute
Derating Output Power/Current (Tc)
Linearly from 100% at 125°C to 0% at 135°C
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient
100 ppm/°C typical
Input to Output Capacitance
50 pF typical
Isolation
100 megohm minimum at 500 V
Audio Rejection
50 dB typical
Conversion Frequency
550 kHz typical
450 kHz min, 600 kHz max
Inhibit Pin Voltage (unit enabled)
9 to 11 V
INHIBIT
ABSOLUTE MAXIMUM RATINGS
Input Voltage
16 to 40 V
Output Power
5 watts
Lead Soldering Temperature (10 sec per lead)
300°C
Storage Temperature Range (Case)
–65°C to +135°C
46
SMSASERIES
5 WATT
DC/DC C
ONVERTERS
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
Inhibit TTL Open Collector
Logic low (output disabled)
Logic low voltage
≤
0.8 V max
Inhibit pin current 4 mA max
Referenced to input common
Logic high (output enabled)
Open collector
Notes
1. Indefinite short circuit protection not guaranteed above 125°C (case).
2. Recovery time is measured from application of the transient to point at which
V
OUT
is within 1% of V
OUT
at final value.
3. Guaranteed but not tested.
SINGLE OUTPUT MODELS
PARAMETER
OUTPUT VOLTAGE
OUTPUT CURRENT
SMSA283R3S
MIN
TYP
3.25
3.30
SMSA2805S
MIN
TYP
4.95
5.00
SMSA2812S
MIN
TYP
11.88 12.00 12.12
SMSA2815S
MIN
TYP
14.85 15.00 15.15
CONDITIONS
Tc = –55°C TO +125°C
Tc = –55°C TO +125°C
V
IN
= 16 TO 40 VDC
V
IN
= 16 TO 40 VDC
Tc = –55°C TO +125°C
MAX
3.35
MAX
5.05
MAX
MAX
UNITS
VDC
0
—
1200
0
—
1000
0
—
417
0
—
333
mA
OUTPUT POWER
—
—
4
—
—
5
—
—
5
—
—
5
W
OUTPUT RIPPLE
VOLTAGE
LINE REGULATION
10 kHz - 2 MHz
V
IN
= 16 TO 40 VDC
Tc = –55°C TO +125°C
NO LOAD TO FULL
Tc = –55°C TO +125°C
Tc = –55°C TO +125°C
NO LOAD TO FULL
CONTINUOUS
TRANSIENT
3
50 ms
NO LOAD
FULL LOAD
INHIBITED
10 kHz - 10 MHz
Tc = –55°C TO +125°C
—
300
600
—
150
450
—
125
500
—
150
600
mV p-p
—
10
50
—
10
50
—
10
50
—
10
50
mV
LOAD REGULATION
—
10
50
—
10
50
—
10
50
—
10
50
mV
INPUT VOLTAGE
16
0
—
—
—
—
—
60
—
—
28
—
35
250
3
50
60
—
1.5
12.5
40
50
60
—
5
200
300
—
2.4
25
16
0
—
—
—
—
—
68
—
—
28
—
35
250
3
50
60
74
1.5
12.5
40
50
60
—
5
200
300
—
2.0
25
16
0
—
—
—
—
—
69
—
—
28
—
35
235
3
50
60
74
1.2
1
40
50
60
—
5
200
300
—
1.9
10
16
0
—
—
—
—
—
%
—
—
28
—
35
235
3
50
60
40
50
60
—
5
200
300
VDC
V
INPUT CURRENT
mA
INPUT RIPPLE
CURRENT
EFFICIENCY
LOAD FAULT
1, 2
SHORT CIRCUIT
STEP LOAD
RESPONSE
mA p-p
POWER DISSIPATION
RECOVERY
50% - 100% - 50%
TRANSIENT
RECOVERY
2, 3
TRANSIENT
16 TO 40 V
IN
40 TO 16 V
IN
RECOVERY
16 TO 40 V
IN
40 TO 16 V
IN
DELAY
OVERSHOOT
3
1.2
1
1.8
10
W
ms
—
—
200
200
500
500
—
—
200
200
500
500
—
—
300
400
750
1000
—
—
400
400
1000
1000
mV pk
μs
STEP LINE
RESPONSE
2, 3
—
—
200
200
500
500
—
—
200
200
500
500
—
—
200
250
800
600
—
—
200
200
500
500
mV pk
—
—
400
400
1000
1000
—
—
400
400
1000
1000
—
—
700
700
1300
1300
—
—
500
500
1300
1300
μs
START-UP
—
—
10
0
75
200
—
—
10
0
75
200
—
—
10
0
75
500
—
—
10
0
75
500
ms
mV pk
相關(guān)PDF資料
PDF描述
SMTR DC/DC CONVERTERS 28 VOLT INPUT
SMV1129-011 Hyperabrupt Junction Tuning Varactors
SMV1139-011 Hyperabrupt Junction Tuning Varactors
SMV1129-073 Hyperabrupt Junction Tuning Varactors
SMV1129-079 Hyperabrupt Junction Tuning Varactors
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