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参数资料
| 型号： | DCW1042 |
| 元件分类： | 电源模块 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封装： | PLASTIC, SIP-7/8 |
| 文件页数： | 2/8页 |
| 文件大小： | 245K |
| 代理商： | DCW1042 |
2
TECHNICAL SPECIFICATIONS
TA = 25°C, airflow rate = 0 LFM, nominal Vin, nominal Vout, resistive load unless otherwise noted.
PARAMETER
NOTES and CONDITIONS
DCW1000 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Transient
5V input model, 1000ms
-0.7
15
Vdc
Transient
12V input model, 1000ms
-0.7
25
Vdc
Transient
24V input model, 1000ms
-0.7
50
Vdc
Transient
48V input model, 1000ms
-0.7
100
Vdc
Internal Power Dissipation
3500
mW
Operating Temperature
Ambient
-40
85
°C
Case
-40
100
°C
Storage Temperature
-55
125
°C
Humidity
95
%
Lead Temperature in Assembly
1.5mm from case for 10 seconds
260
°C
Input/Output Isolation Voltage
1000
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
5V model
4.5
5
9
Vdc
12V model
9
12
18
Vdc
24V model
18
24
36
Vdc
48V model
36
48
75
Vdc
Turn-On Voltage Threshold
5V model
3.5
4
4.5
Vdc
12V model
4.5
7
9
Vdc
24V model
8
12
18
Vdc
48V model
16
24
36
Vdc
Turn-Off Voltage Threshold
5V model
---
3.5
4
Vdc
12V model
---
6.5
8.5
Vdc
24V model
---
11
17
Vdc
48V model
---
22
34
Vdc
Maximum Input Current
Please see Model List table on page 6
Vdc
No-Load Input Current
5V model
40
mA
12V model
20
mA
24V model
10
mA
48V model
8
mA
Input Reflected Ripple Current
5V model
400
mA
12V model
300
mA
24V model
200
mA
48V model
500
mA
Short Circuit Input Power
All models
1.5
W
Reverse Polarity Input Current
All models
1
A
OUTPUT CHARACTERISTICS
Output Voltage Set Point Accuracy
±1.0
±2.0
%
Output Voltage Regulation
Over Load
Io=25% to 100%
±0.5
±0.75
%
Over Line
Vin= Vin,min to Vin,max
±0.3
±0.5
%
Over Temperature
Tc=-40°C to 71°C
±0.01
±0.02
%/C
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 0.47F ceramic
30
50
mV
Peak-to-Peak, over line, load, temperature
Full Load, 0.47F ceramic
75
mV
RMS
Full Load, 0.47F ceramic
15
mV
Output Over Current/Power Protection
Auto restart
120
%
Output Short Circuit
Continuous
Output Voltage Current Transient
Step Change in Output Current
25% step change
±3
±5
%
Settling Time (within 1% Vout nominal)
100
300
uS
Maximum Output Capacitance
3.3Vo
2200
F
5Vo
1000
F
12Vo
170
F
EFFICIENCY
100% Load
Please see Model List table on page 6
ISOLATION CHARACTERISTICS
Isolation Voltage
Input to output, 60 Seconds
1000
Vdc
Isolation Voltage Test
Flash Test for 1 seconds
1100
Vdc
Isolation Resistance
500VDC
1000
M
Isolation Capacitance
100KHz, 1V
65
120
pF
FEATURE CHARACTERISTICS
Switching Frequency
100
300
650
kHz
ON/OFF Control
Logic Low (module is on)
Von/off at Ion/off=1.0mA
-0.7
0.6
V
Logic High (module is off)
Von/off at Ion/off=0.0 A
2.7
15
V
ON/OFF Current
Logic High, Von/off=5V
1
mA
Standby Input Current
0.1
0.2
mA
GENERAL SPECIFICATIONS
MTBF
MIL-HDBK-217F; Ta=25°C, Ground Benign
1
M hours
Weight
4.8
grams
Case Material
Non-conductive black plastic
Flammability
UL94V-0
Input Fuse
5V model, 1500mA slow blown type
12V model, 700mA slow blown type
24V model, 350mA slow blown type
48V model, 135mA slow blown type
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