MEAN WELL SKM10 series: isolated single-output DC-DC converter - SKM10A-15

Description

MEAN WELL SKM10A-15 — DC-DC converter

MEAN WELL SKM10A-15 is an isolated, regulated DC-DC converter with a 15 V DC single output and a 9–18 V DC input range. Its 1 × 1 inch DIP package supports PCB integration in industrial control, telecom/datacom, wireless networks and instrumentation. Remote ON/OFF control is built in.

Download MEAN WELL SKM10 Datasheet (PDF)

Series section: PDF pages 7–12.

Model and output specifications

Parameter Specification
Complete model SKM10A-15
Output configuration Single regulated output.
Output voltage 15 V DC.
Output current range 0–666 mA. No minimum load is required.
Rated power and load limit 10 W series rating. Observe both the output-current limits and the rated total power.
Voltage accuracy ±1.5%.
Line regulation ±0.2%, measured from low to high input voltage at rated load.
Load regulation ±0.2%, measured over 10–100% of rated load.
Ripple and noise 50 mVp-p, measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with 0.1 µF and 47 µF capacitors.
Maximum capacitive load 690 µF.
Typical switching frequency 350 kHz.

Input and protection

Parameter Specification
Input voltage 9–18 V DC; 2:1 range. Nominal input voltage: 12 V DC.
Input current 35 mA at no load; 956 mA at full load, at the reference test conditions.
Typical efficiency 87% at the reference test conditions.
Input filter and fuse Pi-type input filter. Recommended external fuse: 4 A, time-delay/slow-blow type.
Input surge limit 25 V DC for 100 ms maximum; not a continuous input rating.
Internal power dissipation 500 mW, as listed in the specification.
Short-circuit protection Continuous protection with automatic recovery.
Overload protection 110–140% of rated output power; recovers automatically after the fault is removed.
Overvoltage protection Diode clamp.
Input undervoltage lockout Start-up threshold: 8.8 V DC; shutdown threshold: 8 V DC. These do not extend the normal input-voltage range.

Control and adjustment

Parameter Specification
Remote ON/OFF control R.C. is referenced to −Vin. Power ON: Above 5.5 V up to 75 V, or open circuit. Power OFF: Below 1.2 V, or short circuit.
External output trim ±10% typical adjustment range. Connect the external resistor from Trim to −Vout for trim-up or from Trim to +Vout for trim-down. Observe the rated current and power limits.
Trim design reference R1 = 8.06 kΩ; R2 = 2.4 kΩ; R3 = 3.9 kΩ; Rt = 27 kΩ; Vref = 2.5 V. Use the corresponding datasheet equations to calculate the external resistor; these internal design constants are not supplied accessories.

Operating conditions and isolation

Parameter Specification
Operating temperature and cooling −40 to +85°C, with free-air convection and load derating.
Load derating Natural convection: 100% load through +71°C, reducing to 60% at +85°C. Keep ambient temperature within the specified −40 to +85°C operating range.
Maximum case temperature +105°C; this is the case limit, not an ambient-temperature rating.
Working humidity 20–90% RH, non-condensing.
Storage conditions −55 to +125°C; 10–95% RH, non-condensing.
Temperature coefficient 0.03%/°C over 0–71°C.
Vibration 10–500 Hz, 2G; 10 minutes per cycle, 60 minutes along each of the X, Y and Z axes.
Input-to-output withstand voltage 1.5 kV DC (1500 V DC).
Isolation resistance 100 MΩ between input and output, at 500 V DC, 25°C and 70% RH.
Typical isolation capacitance 1000 pF between input and output.
Reference test conditions Unless otherwise specified: normal 12 V DC input, rated load, 25°C and 70% RH.

Dimensions and PCB installation

Parameter Specification
Package and construction DIP 1 × 1 inch package with industry-standard pinout. Black-coated copper case with a non-conductive base.
Dimensions 25.4 × 25.4 × 10.2 mm (L × W × H).
Pin assignment 1 +Vin; 2 −Vin; 3 +Vout; 4 Trim; 5 −Vout; 6 R.C. Check the bottom-view pin drawing against the top-view PCB footprint.
PCB layout Pin diameter: 1 ±0.1 mm. Lead length: 5.6 mm minimum. PCB hole diameter: 1.2 mm (+0.2/−0.1 mm). Use the datasheet footprint for the unequal pin spacing, 2.54 mm grid and 20.32 mm spacing between pin rows.
Soldering limit 1–3 seconds at 260°C maximum, measured 1.5 mm from the case.
Unit weight reference 18.3 g, catalog packing reference per unit.
Catalog packing 12 pieces per tube; 600 pieces per carton.

EMC and reference information

Parameter Specification
Safety standards EAC TP TC 020/2011 approved.
EMC emission conditions Conducted emissions: N/A in the table. Radiated emissions: Class A without additional components, BS EN/EN55032 (CISPR32). Verify the completed equipment against the applicable EMC requirements.
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 1, 0.5 kV line-to-line; -4-6: Level 2, 3 V (e.m.f.); -4-8: Level 2, 3 A/m.
Reliability reference MTBF: 1200 khrs to MIL-HDBK-217F at 25°C. This is a reliability reference value.
Manufacturer warranty reference The catalog states a 3-year manufacturer warranty.

MEAN WELL SKM10 series: isolated single-output DC-DC converter - SKM10A-15

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MEAN WELL SKM10A-15 — DC-DC converter MEAN WELL SKM10A-15 is an isolated, regulated DC-DC converter with a 15 V DC... Read more

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    Description

    MEAN WELL SKM10A-15 — DC-DC converter

    MEAN WELL SKM10A-15 is an isolated, regulated DC-DC converter with a 15 V DC single output and a 9–18 V DC input range. Its 1 × 1 inch DIP package supports PCB integration in industrial control, telecom/datacom, wireless networks and instrumentation. Remote ON/OFF control is built in.

    Download MEAN WELL SKM10 Datasheet (PDF)

    Series section: PDF pages 7–12.

    Model and output specifications

    Parameter Specification
    Complete model SKM10A-15
    Output configuration Single regulated output.
    Output voltage 15 V DC.
    Output current range 0–666 mA. No minimum load is required.
    Rated power and load limit 10 W series rating. Observe both the output-current limits and the rated total power.
    Voltage accuracy ±1.5%.
    Line regulation ±0.2%, measured from low to high input voltage at rated load.
    Load regulation ±0.2%, measured over 10–100% of rated load.
    Ripple and noise 50 mVp-p, measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with 0.1 µF and 47 µF capacitors.
    Maximum capacitive load 690 µF.
    Typical switching frequency 350 kHz.

    Input and protection

    Parameter Specification
    Input voltage 9–18 V DC; 2:1 range. Nominal input voltage: 12 V DC.
    Input current 35 mA at no load; 956 mA at full load, at the reference test conditions.
    Typical efficiency 87% at the reference test conditions.
    Input filter and fuse Pi-type input filter. Recommended external fuse: 4 A, time-delay/slow-blow type.
    Input surge limit 25 V DC for 100 ms maximum; not a continuous input rating.
    Internal power dissipation 500 mW, as listed in the specification.
    Short-circuit protection Continuous protection with automatic recovery.
    Overload protection 110–140% of rated output power; recovers automatically after the fault is removed.
    Overvoltage protection Diode clamp.
    Input undervoltage lockout Start-up threshold: 8.8 V DC; shutdown threshold: 8 V DC. These do not extend the normal input-voltage range.

    Control and adjustment

    Parameter Specification
    Remote ON/OFF control R.C. is referenced to −Vin. Power ON: Above 5.5 V up to 75 V, or open circuit. Power OFF: Below 1.2 V, or short circuit.
    External output trim ±10% typical adjustment range. Connect the external resistor from Trim to −Vout for trim-up or from Trim to +Vout for trim-down. Observe the rated current and power limits.
    Trim design reference R1 = 8.06 kΩ; R2 = 2.4 kΩ; R3 = 3.9 kΩ; Rt = 27 kΩ; Vref = 2.5 V. Use the corresponding datasheet equations to calculate the external resistor; these internal design constants are not supplied accessories.

    Operating conditions and isolation

    Parameter Specification
    Operating temperature and cooling −40 to +85°C, with free-air convection and load derating.
    Load derating Natural convection: 100% load through +71°C, reducing to 60% at +85°C. Keep ambient temperature within the specified −40 to +85°C operating range.
    Maximum case temperature +105°C; this is the case limit, not an ambient-temperature rating.
    Working humidity 20–90% RH, non-condensing.
    Storage conditions −55 to +125°C; 10–95% RH, non-condensing.
    Temperature coefficient 0.03%/°C over 0–71°C.
    Vibration 10–500 Hz, 2G; 10 minutes per cycle, 60 minutes along each of the X, Y and Z axes.
    Input-to-output withstand voltage 1.5 kV DC (1500 V DC).
    Isolation resistance 100 MΩ between input and output, at 500 V DC, 25°C and 70% RH.
    Typical isolation capacitance 1000 pF between input and output.
    Reference test conditions Unless otherwise specified: normal 12 V DC input, rated load, 25°C and 70% RH.

    Dimensions and PCB installation

    Parameter Specification
    Package and construction DIP 1 × 1 inch package with industry-standard pinout. Black-coated copper case with a non-conductive base.
    Dimensions 25.4 × 25.4 × 10.2 mm (L × W × H).
    Pin assignment 1 +Vin; 2 −Vin; 3 +Vout; 4 Trim; 5 −Vout; 6 R.C. Check the bottom-view pin drawing against the top-view PCB footprint.
    PCB layout Pin diameter: 1 ±0.1 mm. Lead length: 5.6 mm minimum. PCB hole diameter: 1.2 mm (+0.2/−0.1 mm). Use the datasheet footprint for the unequal pin spacing, 2.54 mm grid and 20.32 mm spacing between pin rows.
    Soldering limit 1–3 seconds at 260°C maximum, measured 1.5 mm from the case.
    Unit weight reference 18.3 g, catalog packing reference per unit.
    Catalog packing 12 pieces per tube; 600 pieces per carton.

    EMC and reference information

    Parameter Specification
    Safety standards EAC TP TC 020/2011 approved.
    EMC emission conditions Conducted emissions: N/A in the table. Radiated emissions: Class A without additional components, BS EN/EN55032 (CISPR32). Verify the completed equipment against the applicable EMC requirements.
    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 1, 0.5 kV line-to-line; -4-6: Level 2, 3 V (e.m.f.); -4-8: Level 2, 3 A/m.
    Reliability reference MTBF: 1200 khrs to MIL-HDBK-217F at 25°C. This is a reliability reference value.
    Manufacturer warranty reference The catalog states a 3-year manufacturer warranty.

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