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參數資料
| 型號： | 108847252 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數： | 10/24頁 |
| 文件大小： | 861K |
| 代理商： | 108847252 |
Tyco Electronics Corp.
18
Data Sheet
June 2001
3.3 Vdc and 5.0 Vdc Input, 1.5 Vdc - 3.3 Vdc Output, 5A
Austin Lite Non-Isolated SMT DC - DC Power Modules:
Static Regulation (continued)
1-0293
Figure 44. Static Regulation 5.0 VIN, 1.8 VOUT
1-0292
Figure 45. Static Regulation 5.0 VIN, 2.5 VOUT
1-0291
Figure 46. Static Regulation 5.0 VIN, 3.3 VOUT
Reflow Profile
An example of a reflow profile (using the 63/37 solder)
for the Austin Lite Power Module is:
s
Pre-heating zone: room temperature to 183 °C (2.0
to 4.0 minutes maximum)
s
Initial ramp rate: < 2.5 °C per second
s
Soaking zone: 155 °C to 183 °C – 60 to 90 seconds
typical (2.0 minutes maximum)
s
Reflow zone ramp rate: 1.3 °C to 1.6 °C per second
s
Reflow zone: 210 °C to 235 °C peak temperature –
30 to 60 seconds typical (90 seconds maximum)
1-0303
Figure 47. Reflow Profile — Source: Kester
VI = 5.5 V
VI = 5.0 V
VI = 4.5 V
OUTPUT CURRENT, IO (A)
OUTPUT
V
O
LT
A
GE,
V
O
(V)
01234
6
5
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
VI = 5.5 V
VI = 5.0 V
VI = 4.5 V
OUTPUT CURRENT, IO (A)
OUTPUT
V
O
LT
A
GE,
V
O
(V)
01234
6
5
2.56
2.55
2.54
2.53
2.52
2.51
VI = 5.5 V
VI = 5.0 V
VI = 4.5 V
OUTPUT CURRENT, IO (A)
OUTPUT
V
O
LT
A
GE,
V
O
(V)
01234
6
5
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
TIME (SECONDS)
ALLOY: Sn63Pb37 or Sn62Pb36Ag02
REFLOW PROFILE
TEMPERA
TURE
(
C)
0
20
40
60
80
100
120
140
160
180
200
220
30
60
90
120
150
180
210
240
270
0
REFLOW ZONE
30 - 90 SEC MAX
30 - 60 SEC
2.0 MIN MAX
60 - 90 SEC
SOAKING ZONE
<2.5 C/SEC
0.5 - 0.6 C/SEC
1.3 - 1.6 C/SEC
PEAK TEMP.
210 - 235 C
2.0 - 4.0 MIN
PRE-HEATING
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