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Item # CWB15-24-12, CWB15 Series 9 to 36 Volt (V) Input Voltage (Vdc) 1 x 2 Inch (in) DIL Package DC-DC Converter for Medical Applications
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List Price QUOTE
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Our CWA15 and CWB15 series of DC-DC converters features wide input voltage ranges of 2:1 and 4:1, respectively, high efficiency up to 90% and reinforced insulation of 5,000 Vac. Housed in a 1 x 1.6-inch package, models integrate EMI Class A filters, as well as overvoltage, overcurrent, overtemperature and short circuit protection. Both series are CE marked and meet safety approvals for medical applications, including UL 60601-1 and RoHS EU Directive 2011/65/EU.
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Voltage Range (Vdc)
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- 9 Min., 12 Typ., 18 Max. 12 Vin (nom), 2:1
- 18 Min., 24 Typ., 36 Max. 24 Vin (nom), 2:1
- 36 Min., 48 Typ., 75 Max. 48 Vin (nom), 2:1
- 9 Min., 24 Typ., 36 Max. 24 Vin (nom), 4:1
- 18 Min., 48 Typ., 75 Max. 48 Vin (nom), 4:1
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Start Up Voltage (Vdc)
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- 9 Max. 12 Vin (nom), 2:1
- 18 Max. 24 Vin (nom), 2:1
- 36 Max. 48 Vin (nom), 2:1
- 9 Max. 24 Vin (nom), 4:1
- 18 Max. 48 Vin (nom), 4:1
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Shutdown Voltage (Vdc)
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- 7.8 Min., 8 Typ., 8.6 Max. 12 Vin (nom), 2:1
- 15.8 Min., 16 Typ., 17.4 Max. 24 Vin (nom), 2:1
- 32 Min., 33 Typ., 34 Max. 48 Vin (nom), 2:1
- 7.8 Min., 8 Typ., 8.6 Max. 24 Vin (nom), 4:1
- 15.8 Min., 16 Typ., 17.4 Max. 48 Vin (nom), 4:1
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Start Up Time (ms)
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- 30 Typ., 60 Max. Power up, Constant resistive load
- 30 Typ., 60 Max. Remote ON/OFF
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Input Surge Voltage (Vdc)
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- 3 seconds, Max.
- 25 Max. 12 Vin (nom), 2:1
- 50 Max. 24 Vin (nom), 2:1
- 100 Max. 48 Vin (nom), 2:1
- 50 Max. 24 Vin (nom), 4:1
- 100 Max. 48 Vin (nom), 4:1
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Input Filter
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Pi Type
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Remote ON/OFF (mA)
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- Referred to - Vin pin
- Open or 3.5 - 12 Vdc DC-DC ON, Positive logic
- Short or 0 - 1.2 Vdc DC-DC OFF, Positive logic
- Short or 0 - 1.2 Vdc DC-DC ON, Negative logic
- Open or 3.5 - 12 Vdc DC-DC OFF, Positive logic
- -0.5 Min., 1 Max. Input current of Ctrl pin
- 2.5 Typ. Remote off input current
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Minimum Voltage Accuracy
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-1 %
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Maximum Voltage Accuracy
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1 %
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Line Regulation Percent (%)
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- -0.2 Min., 0.2 Max. Low line to high line at full load, Single
- -0.5, 0.5 Dual
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Load Regulation Percent (%)
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- -0.2 Min., 0.2 Max. No load to full load, Single
- -1 Min., 1 Max. Dual
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Minimum Cross Regulation1
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-5 %
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Maximum Cross Regulation2
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5 %
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Voltage Adjustability Percent (%)
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- -10 Min., 10 Max. Single output, 5Vout, 12 Vout
- -10 Min., 20 Max. 15 Vout, 24 Vout
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Ripple and Noise (mVp-p)
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- Measured by 20MHz bandwidth
- 50 Typ. Single, 5 Vout, With a 10µF/25V X7R MLCC
- 75 Typ. Single, 12 Vout, With a 10µF/25V X7R MLCC
- 75 Typ. Single, 15 Vout, With a 10µF/25V X7R MLCC
- 100 Typ. Single, 24 Vout, With a 4.7µF/50V X7R MLCC
- 50 Typ. Dual, ±5 Vout, With a 10µF/25V X7R MLCC
- 75 Typ. Dual, ±12 Vout, With a 10µF/25V X7R MLCC
- 75 Typ. Dual, ±15 Vout, With a 10µF/25V X7R MLCC
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Typical Transient Response Recovery Time3
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250 µs
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Over Voltage Protection (Vdc)
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- 6.2, 5 Vout, Zener diode clamp
- 15, 12 Vout
- 20, 15 Vout
- 30, 24 Vout
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Short Circuit Protection
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Continuous Automatic Recovery
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1 Asymmetrical load 25%/100% FL, Dual
2 Asymmetrical load 25%/100% FL, Dual
3 25% load step change
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General Specifications
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- Isolation Voltage, Vac: 1 minute, input to output, reinforced insulation for 250 Vac working voltage, 5000 Min.
- Isolation capacitance, pF: 20 Typ.
- Leakage current, µA: 240 Vac, 60 Hz, 2 Typ., 2.5 Max.
- Switching frequency, kHz: 225 Min., 250 Typ., 285 Max.
- Clearance/creepage, mm: 8 Min.
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Environmental Specifications
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- Operating ambient temperature ºC:
- With derating -40 Min. +105 Max.
- Maximum case temperature, ºC: +105 Max.
- Over temperature protection ºC: 115 Typ.
- Storage temperature range: -55 Min., 125 Max.
- Thermal impedance: 15.5 Typ.
- Operating Altitude, m: 5000 Max.
- Thermal shock: MIL-STD-810-F
- Vibration: MIL-STD-810-F
- Relative humidity: 5% to 95% RH
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Physical Specifications
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- Design meet safety standard:
- IEC/EN/ANSI/AAMI ES 60601-1, UL:E360199
- IEC/EN/UL 60950-1, 62368-1, UL;E193009, CB:UL (Demko)
- Case material: Non-conductive black plastic
- Base material: Non-conductive black plastic
- Potting material: Silicone, (UL94 V-0)
- Weight: 24g (0.85oz)
- MTBF: 2.080 × 106 hrs, MIL-HDBK-217F, Full load
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EMC Specifications
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- EMI: EN55011, EN55032 and FCC Part 18, Without external components, Class A with external components, Class B
- ESD: EN61000-4-2, Air ±15kV and Contact ±8kV, Perf. Criteria A
- Radiated Immunity: EN61000-4-3, 10V/m, Perf. Criteria A
- Fast transient: EN61000-4-4, ±2KV, Perf. Criteria A
- Surge: EN61000-4-5, ±2KV, Perf. Criteria A
- Conducted Immunity: EN61000-4-6, 10 Vr.m.s, Perf. Criteria A
- Power Frequency Magnetic Field: EN61000-4-8, 100 A/m continuous; 1000 A/m 1 second, Perf. Criteria A
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