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参数资料
| 型号： | DSM-5/2.65-3.3/3-D12L1 |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | METAL, SMT-9 |
| 文件页数： | 6/9页 |
| 文件大小： | 649K |
| 代理商： | DSM-5/2.65-3.3/3-D12L1 |
1 5 W , D U A L O U T P U T , M I X E D - V O L T A G E D C / D C C O N V E R T E R S
XWR Series
SMT Solder Process for DSM models
For the surface-mount DSM models of the XWR Series, the packages’ gull-
wing leads are made of tin-plated (150 micro inches) copper. The gull-wing
conguration, as opposed to “J” leads, was selected to keep the solder joints
out from under the package to minimize both, heat conduction away from the
leads (into the encapsulated package) and shadowing effects.
DSM modules do not currently withstand the standard solder-reow process
with its most common temperature proles. In order to avoid damage to
the converter a selective solder process with the following parameters must
therefore be chosen (i.e. hot air gun or a hand soldering method):
Pre-heat phase 30-60°C rise/minute to 150°C maximum.
Lead temperature 300°C for 10 seconds maximum.
As shown in Figure 7, our tests have determined the optimal landing-pad size
to be 160 mils by 130 mils (4 x 3.3 mm).
Recommended PC Board Layout
A single pc board layout could accommodate both the through-hole and the
SMT models of the XWR Series as per the gure below. Note that on page
2 of this data sheet, the DWR through-whole package is drawn with a bottom
view of its pin locations, and the DSM surface-mount package is drawn with
a top view of its pin locations. As shown, the through-hole pin locations,
when viewed from the top, fall just aside (on 1.8 inch centers) the SMT pin
locations, which essentially begin on 2.1 inch centers.
The layout shows +Input and Case grounded on the primary side. Application
dependant the primary ground could of course also be connected to -Input
and Case. Creepage and clearance distances between input and output
should comply with all relevant safety regulations.
4
3
2
1
8
7
6
5
9
0.10
(2.54)
0.110
(2.79)
0.100
(2.54)
0.300
(7.62)
0.500
(12.70)
TOP VIEW
1.00
(25.40)
0.800
(20.32)
4 EQ. SP. @
0.200 (5.08)
Case C18A
Case C34
TRIM
+5V OUTPUT
OUTPUT RETURN
+3.3V OUTPUT
ON/OFF CONTROL
CASE
–INPUT
+INPUT
N.C.
POWER GROUND
4
3
2
1
5
6
7
8
9
0.300
(7.62)
TOP VIEW
0.200
(5.08)
1.00
(25.40)
0.800 (20.32)
4 EQ. SP. @
0.200 (10.16)
PIN LENGTH:
0.20 MIN (5.08)
PIN DIAMETER: 0.040 ±0.001 (1.016 ±0.025)
B
2.00 (50.80)
1.800 (45.72)
A
0.130*
(3.30)
0.015
(0.38)
0.100**
(2.54)
* PAD DIMENSION
** LEAD DIMENSION
0.160*
(4.06)
0.110**
(2.79)
1
+Input
2
–Input
3
On/Off Control
4
Case
5
+5V Output
6
N.C.
7
Output Return
8
+3.3V Output
9
Trim
SMT or Through-Hole
Pin Number
Pin Function
Figure 6. Recommended Board Layout
Figure 7 . PC Board Land Pattern
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DSM-5-3.3-D12 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Output Mixed Voltage, DSM Models |
| DSM-5-3.3-D12S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Output Mixed Voltage, DSM Models |
| DSM-5-3.3-D24 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Output Mixed Voltage, DSM Models |
| DSM-5-3.3-D24S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Output Mixed Voltage, DSM Models |
| DSM-5-3.3-D48 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Output Mixed Voltage, DSM Models |
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