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參數(shù)資料
| 型號(hào)： | 5S5.2000LV |
| 英文描述： | 3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 103K |
| 代理商： | 5S5.2000LV |
A
1 Watt SIP Single Series DC/DC Converters
2401 Stanwell Drive Concord, California 94520 Ph: 925/687-4411 or 800/542-3355 Fax: 925/687-3333 www.calex.com Email: sales@calex.com
4
3/2001
0
20
40
60
80
OUTPUT LOAD (mA)
13.40
13.80
14.20
14.60
15.00
15.40
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S14.070SIP
0
20
40
60
80
OUTPUT LOAD (mA)
14.10
14.70
15.30
15.90
16.50
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S15.065SIP
0
20
40
60
80
OUTPUT LOAD (mA)
16.00
16.50
17.00
17.50
18.00
18.50
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S17.060SIP
0
40
80
120
160
OUTPUT LOAD (mA)
4.60
4.80
5.00
5.20
5.40
5.60
5.80
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S5.150SIP
0
40
80
120
160
OUTPUT LOAD (mA)
6.40
6.70
7.00
7.30
7.60
7.90
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S7.140SIP
0
30
60
90
OUTPUT LOAD (mA)
11.50
12.00
12.50
13.00
13.50
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S12.080SIP
0
20
40
60
80
100
% OF RATED LOAD (%)
0
20
40
60
80
E
EFFICIENCY Vs. OUTPUT LOAD
5-7 VOLT OUTPUT
12-17 VOLT OUTPUT
Typical Performance: (Tc=25
°
C)
Temperature Derating
The 1 Watt Output SIP series can be operated up to a +85
°
C
case temperature. Case temperature can be roughly calculated
from ambient by knowing that the case temperature rise is
approximately 58
°
C per package watt dissipated.
For example: If a 5S12.080SIP is delivering 0.9 watts at 5V
input, at what ambient could it expect to run with no additional
cooling such as moving air
Efficiency is approximately 74% which leads to an input
power of 1.2 watts. The internal power loss is 1.2 - .9 = 0.30
watts. The case temperature rise will be 0.30W x 58
°
C/
W=17
°
C. This number is subtracted from the maximum case
temperature rating of 85
°
C to get 68
°
C, which is the maximum
ambient operating temperature.
This example calculation is for an application with no extra
air flow for cooling. Extra cooling air will greatly effect the
maximum ambient temperature. Exact internal power loss
depends upon the efficiency, input voltage, and load in the
application.
The above example is a rough approximation to the
maximum ambient temperature. Because of the difficulty of
defining ambient temperature, these calculations should be
verified by actual measurement before committing to a
production design.
0
10
20
30
40
50
OUTPUT LOAD (mA)
23.50
24.00
24.50
25.00
25.50
26.00
26.50
O
OUTPUT VOLTAGE Vs. OUTPUT LOAD
5S24.040SIP
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|---|---|
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