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PDF SPDC400-4W Data sheet ( Hoja de datos )
| Número de pieza | SPDC400-4W | |
| Descripción | DC-DC step down power supply | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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SPDC400-4W
www.datasheet4u.com
Features
■ Module DC-DC step down single output
■ Wide range input voltage 100÷370 Vdc
■ Output power 4.0 W Typ
■ Output voltage precision 5%
■ Output short circuit protection
■ No heatsink required
■ Not - latching overload and short circuit
protection
■ MTBF > 1.000.000 hours (TA = 25°C)
■ Incapsulated or open frame packages
■ Pins or comb insertion
■ RoHS compliant
Description
The DC-DC module is a high efficiency DC-DC
not insulated switch mode constant voltage
generator.
Designed for industrial application where low
voltages are required from main.
Step down converter performs a typ 4.0 W power
conversion.
The output voltages and current level are set up
by design in accordance with customer
requirements.
Typical reference values for the shelf solution are:
■ Single output -12 V, ±5%, 0.35 A.
DC-DC step down power supply
Preliminary Data
Comb
BT = Encapsulated through hole
Through hole
FT = Open frame through hole
FC = Open Frame
Table 1. Device summary
Order codes
SPDC400BT12M0.35
SPDC400FT12M0.35
SPDC400FC12M0.35
Package
Encapsulated
Open frame
Open frame
Connections
Through hole
Through hole
Comb
October 2007
Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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www.st.com
10
1 page  
SPDC400-4W
3 Mechanical dimensions
Mechanical dimensions
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In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a Lead-free second level interconnect . The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
Figure 2. SPDC400BT mechanical data (dimensions in mm)
35.6
14
1x45°
Ø0.65
Figure 3. SPDC400FT mechanical data (dimensions in mm)
34.1 1 11 max.
23
1
4
0.8x45°
Ø0.65
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