MEAN WELL SCW08W8 series: isolated single-output DC-DC converter - SCW08W8-05

Description

MEAN WELL SCW08W8-05 — DC-DC converter

MEAN WELL SCW08W8-05 is an isolated, regulated single-output DC-DC converter with 5 V DC output and a 9–75 V DC input range. It uses a compact DIP24 package for integration into electronic equipment.

Download MEAN WELL SCW08W8 Datasheet (PDF)

Electrical specifications

Parameter Specification
Model SCW08W8-05
Output configuration Single regulated DC output.
Output voltage 5 V DC
Output current Up to 1600 mA. No minimum load is required.
Catalog power rating 8 W series rating. The selected model is limited by its listed output voltage and current; do not increase current to reach the series wattage.
Input voltage 9–75 V DC (8:1 range); nominal systems: 12, 24, 36, 48 or 72 V DC.
Input current No load: 10 mA; full load: 388 mA at the catalog test conditions.
Efficiency (typical) 84% at the specified nominal-input and rated-load conditions.
Capacitive load (maximum) 680 µF.
Voltage accuracy ±2%
Ripple and noise 100 mVp-p. Measured with 20 MHz bandwidth and a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors.
Line regulation ±0.5% from low to high input at rated load.
Load regulation ±0.5% (0–100% rated load).
Switching frequency 300 kHz typical
Input filter Pi-type input filter.
Specification conditions Nominal input 24 V DC, rated load, 25°C ambient and 70% RH unless otherwise specified.
Series efficiency reference The catalog family reaches up to 86%; use the model-specific typical efficiency above for this selection.

Protection and control

Parameter Specification
Input fuse An external input fuse is recommended: 3 A slow-blow.
Input surge 100 V DC for 100 ms maximum; not a continuous operating rating.
Short circuit Continuous protection with automatic recovery.
Overload 200–300% of rated output power; hiccup mode with automatic recovery after removal of the fault.
Input undervoltage lockout Start-up: 8.8 V DC; shutdown: 8 V DC (typical).
Overvoltage protection Output clamped by a TVS diode.
Remote ON/OFF Remote ON/OFF is available by request. Standard units have no pin at position 1; confirm the requested control option and its operating requirements before ordering.

Mechanical and environmental specifications

Parameter Specification
Dimensions 31.8 × 20.3 × 12.2 mm (L × W × H).
Case and cooling Non-conductive black plastic, UL 94V-0 rated. Free-air convection cooling.
Pin assignment Bottom-view numbering: pins 2 and 3 = −Vin; pins 22 and 23 = +Vin; pins 9 and 11 = N.C.; pin 14 = +Vout; pin 16 = −Vout. Position 1 has no pin on the standard model; it is used only when the remote-control option is selected. N.C. means no connection. Follow the drawing orientation when laying out the PCB.
Mechanical installation DIP24 footprint; 2.54 mm grid, 15.24 mm between pin rows and 3.8 mm lead projection. Pin size: 0.6 ±0.1 mm. Use the model-specific bottom-view and top-view PCB drawings. PCB hole diameter: 0.8 mm.
Working environment −40 to +90°C with load derating; 5–95% RH, non-condensing.
Load derating Natural convection: 100% load through +70°C, then derate to 50% at +90°C.
Storage -55 to +125°C; 10–95% RH, non-condensing.
Temperature coefficient 0.05%/°C (0–85°C).
Case temperature +110°C maximum.
Soldering At 1.5 mm from the case: 265°C maximum for 3–5 s.
Vibration 10–500 Hz, 2 G, 10 minutes per cycle; 60 minutes along each X, Y and Z axis.
Catalog packing reference per unit 17.5 g, from the catalog PACKING entry; not a measured net weight.
Manufacturer packing 15 pieces per tube; this is the catalog packing arrangement.

Isolation, EMC and manufacturer information

Parameter Specification
Isolation withstand Input-to-output: 3 kV DC.
Isolation resistance Input-to-output: 1000 MΩ at 500 V DC, 25°C and 70% RH.
Isolation capacitance 1000 pF typical.
EMC emissions Conducted: not specified (N/A). BS EN/EN 55032 radiated Class A without additional components; Class B requires external components.
EMC immunity BS EN/EN 61000-4-2: Level 2, ±8 kV air / ±4 kV contact; -4-3: Level 2, 3 V/m; -4-4: Level 1, 0.5 kV; -4-5: Level 2, 0.5 kV line-to-line; -4-6: Level 2, 3 V (e.m.f.). -4-8: Level 1, 1 A/m.
Approval EAC TP TC 020/2011 approved.
System EMC Reconfirm EMC compliance in the final equipment. The component specification does not replace the complete system assessment.
EMC application circuit For radiated Class B, follow the catalog circuit: C1 and C2 = 2.2 µF / 100 V each; C3 and C4 are marked 152/5 kV each; L1 = 10 µH. All capacitors are ceramic. Verify the completed equipment.
MTBF >860 k hours typical per MIL-HDBK-217F at 25°C; not a service-life or warranty guarantee.
Manufacturer warranty reference The catalog states a 3-year manufacturer warranty; the manufacturer’s applicable terms govern.

MEAN WELL SCW08W8 series: isolated single-output DC-DC converter - SCW08W8-05

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MEAN WELL SCW08W8-05 — DC-DC converter MEAN WELL SCW08W8-05 is an isolated, regulated single-output DC-DC converter with 5 V DC... Read more

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    Description

    MEAN WELL SCW08W8-05 — DC-DC converter

    MEAN WELL SCW08W8-05 is an isolated, regulated single-output DC-DC converter with 5 V DC output and a 9–75 V DC input range. It uses a compact DIP24 package for integration into electronic equipment.

    Download MEAN WELL SCW08W8 Datasheet (PDF)

    Electrical specifications

    Parameter Specification
    Model SCW08W8-05
    Output configuration Single regulated DC output.
    Output voltage 5 V DC
    Output current Up to 1600 mA. No minimum load is required.
    Catalog power rating 8 W series rating. The selected model is limited by its listed output voltage and current; do not increase current to reach the series wattage.
    Input voltage 9–75 V DC (8:1 range); nominal systems: 12, 24, 36, 48 or 72 V DC.
    Input current No load: 10 mA; full load: 388 mA at the catalog test conditions.
    Efficiency (typical) 84% at the specified nominal-input and rated-load conditions.
    Capacitive load (maximum) 680 µF.
    Voltage accuracy ±2%
    Ripple and noise 100 mVp-p. Measured with 20 MHz bandwidth and a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors.
    Line regulation ±0.5% from low to high input at rated load.
    Load regulation ±0.5% (0–100% rated load).
    Switching frequency 300 kHz typical
    Input filter Pi-type input filter.
    Specification conditions Nominal input 24 V DC, rated load, 25°C ambient and 70% RH unless otherwise specified.
    Series efficiency reference The catalog family reaches up to 86%; use the model-specific typical efficiency above for this selection.

    Protection and control

    Parameter Specification
    Input fuse An external input fuse is recommended: 3 A slow-blow.
    Input surge 100 V DC for 100 ms maximum; not a continuous operating rating.
    Short circuit Continuous protection with automatic recovery.
    Overload 200–300% of rated output power; hiccup mode with automatic recovery after removal of the fault.
    Input undervoltage lockout Start-up: 8.8 V DC; shutdown: 8 V DC (typical).
    Overvoltage protection Output clamped by a TVS diode.
    Remote ON/OFF Remote ON/OFF is available by request. Standard units have no pin at position 1; confirm the requested control option and its operating requirements before ordering.

    Mechanical and environmental specifications

    Parameter Specification
    Dimensions 31.8 × 20.3 × 12.2 mm (L × W × H).
    Case and cooling Non-conductive black plastic, UL 94V-0 rated. Free-air convection cooling.
    Pin assignment Bottom-view numbering: pins 2 and 3 = −Vin; pins 22 and 23 = +Vin; pins 9 and 11 = N.C.; pin 14 = +Vout; pin 16 = −Vout. Position 1 has no pin on the standard model; it is used only when the remote-control option is selected. N.C. means no connection. Follow the drawing orientation when laying out the PCB.
    Mechanical installation DIP24 footprint; 2.54 mm grid, 15.24 mm between pin rows and 3.8 mm lead projection. Pin size: 0.6 ±0.1 mm. Use the model-specific bottom-view and top-view PCB drawings. PCB hole diameter: 0.8 mm.
    Working environment −40 to +90°C with load derating; 5–95% RH, non-condensing.
    Load derating Natural convection: 100% load through +70°C, then derate to 50% at +90°C.
    Storage -55 to +125°C; 10–95% RH, non-condensing.
    Temperature coefficient 0.05%/°C (0–85°C).
    Case temperature +110°C maximum.
    Soldering At 1.5 mm from the case: 265°C maximum for 3–5 s.
    Vibration 10–500 Hz, 2 G, 10 minutes per cycle; 60 minutes along each X, Y and Z axis.
    Catalog packing reference per unit 17.5 g, from the catalog PACKING entry; not a measured net weight.
    Manufacturer packing 15 pieces per tube; this is the catalog packing arrangement.

    Isolation, EMC and manufacturer information

    Parameter Specification
    Isolation withstand Input-to-output: 3 kV DC.
    Isolation resistance Input-to-output: 1000 MΩ at 500 V DC, 25°C and 70% RH.
    Isolation capacitance 1000 pF typical.
    EMC emissions Conducted: not specified (N/A). BS EN/EN 55032 radiated Class A without additional components; Class B requires external components.
    EMC immunity BS EN/EN 61000-4-2: Level 2, ±8 kV air / ±4 kV contact; -4-3: Level 2, 3 V/m; -4-4: Level 1, 0.5 kV; -4-5: Level 2, 0.5 kV line-to-line; -4-6: Level 2, 3 V (e.m.f.). -4-8: Level 1, 1 A/m.
    Approval EAC TP TC 020/2011 approved.
    System EMC Reconfirm EMC compliance in the final equipment. The component specification does not replace the complete system assessment.
    EMC application circuit For radiated Class B, follow the catalog circuit: C1 and C2 = 2.2 µF / 100 V each; C3 and C4 are marked 152/5 kV each; L1 = 10 µH. All capacitors are ceramic. Verify the completed equipment.
    MTBF >860 k hours typical per MIL-HDBK-217F at 25°C; not a service-life or warranty guarantee.
    Manufacturer warranty reference The catalog states a 3-year manufacturer warranty; the manufacturer’s applicable terms govern.

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