Polytron TWA10/MHIA5 Series DC-DC Converters, 10 Watt, Single and Dual Output, Regulated, 2:1 Wide Input Range for Medical Applications, 1.25" x 0.80"

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Item Number: TWA10/MHIA5

Safe and highly efficient with reinforced insulation

With reinforced insulation, our 10 watt wide input TWA10/MHIA series features a miniature DIP package, a built-in EMI class A filter and high efficiency of up to 89%. This series also meets ES60601-1, EN60601-1 and IEC60601-1 safety standards.

TWA10/MHIA Series Specification Sheet PDF

Daburn Part Number	Input Voltage Range (Vdc)	Output Voltage (Vdc)	Output Current at Full Load (mA	Input Current No Load (mA)	Efficiency %	Minimum Capacitor Load μF
Single Output
TWA10-5S33/MHIA5	4.5-9	3.3	2500	10	80	3000
TWA10-5S5/MHIA5		5	2000	10	84	2500
TWA10-5S12/MHIA5		12	830	15	86.5	430
TWA10-5S15/MHIA5		15	670	15	87	350
TWA10-5S24/MHIA5		24	416	20	85.5	125
TWA10-12S33/MHIA5	9-18	3.3	2500	10	83	3000
TWA10-12S5/MHIA5		5	2000	10	85.5	2500
TWA10-12S12/MHIA5		12	830	10	88	430
TWA10-12S15/MHIA5		15	670	10	89	430
TWA10-12S24/MHIA5		24	416	10	89	350
TWA10-24S33/MHIA5	18-36	3.3	2500	6	83	125
TWA10-24S5/MHIA5		5	2000	6	86.5	3000
TWA10-24S12/MHIA5		12	830	6	89	2500
TWA10-24S15/MHIA5		15	670	6	89	430
TWA10-24S24/MHIA5		24	416	6	89	350
TWA10-48S33/MHIA5	36-72	3.3	2500	4	82.5	3000
TWA10-48S5/MHIA5		5	2000	4	86.5	2500
TWA10-48S12/MHIA5		12	830	4	89	430
TWA10-48S15/MHIA5		15	670	4	89	350
TWA10-48S24/MHIA5		24	416	4	88.5	125
Dual Output
TWA10-5-5/MHIA5	4.5-9	±5	±1000	25	83	±1440
TWA10-5-12/MHIA5		±12	±416	25	85.5	±250
TWA10-5-15/MHIA5		±15	±333	25	86.5	±180
TWA10-12-5/MHIA5	9-18	±5	±1000	10	81	±1440
TWA10-12-12/MHIA5		±12	±416	10	89	±250
TWA10-12-15/MHIA5		±15	±333	10	88	±180
TWA10-24-5/MHIA5	18-36	±5	±1000	6	85	±1440
TWA10-24-12/MHIA5		±12	±416	6	89	±250
TWA10-24-15/MHIA5		±15	±333	6	88	±180
TWA10-48-5/MHIA5	36-72	±5	±1000	4	85	±1440
TWA10-48-12/MHIA5		±12	±416	4	88	±250
TWA10-48-15/MHIA5		±15	±333	4	88	±180

Input and Output Specifications:

INPUT

Operating input voltage range
- 12 Vdc nominal input: 9 - 18 Vdc
- 24 Vdc nominal input: 18 - 36 Vdc
- 48 Vdc nominal input: 36 - 72 Vdc
Start up voltage
- 5 Vdc nominal input: 4.5 Vdc
- 12 Vdc nominal input: 9 Vdc
- 24 Vdc nominal input: 18 Vdc
- 48 Vdc nominal input: 36 Vdc
Shutdown voltage
- 5 Vdc nominal input: 4 Vdc
- 12 Vdc nominal input: 8 Vdc
- 24 Vdc nominal input: 16 Vdc
- 48 Vdc nominal input: 33 Vdc
Start up time
- Constant resistive load
  - Power up: 30 mS
  - Remote On/Off: 30 mS
Input surge voltage, 3 sec. max.
- 5 Vdc nominal input: 16 Vdc
- 12 Vdc nominal input: 25 Vdc
- 24 Vdc nominal input: 50 Vdc
- 48 Vdc nominal input: 100 Vdc
Input reflected ripple current: 20 mAp-p
Input filter: Pi type
Remote On/Off: referred to -INPUT pin
- DC-DC ON: Open or 0 - 1.2 Vdc
- DC-DC OFF: 2.2 - 12 Vdc
- Input current of remote control pin: -0.5 - 1 mA
- Remote off input current: 2.5 mA

OUTPUT

Output power: 10 watts
Voltage accuracy: ±1
Line regulation
- Low line to high line at full load
  - Single: ±0.2%
  - Dual: ±0.5%
Load regulation
- No load to full load
  - Single: ±0.2%
  - Dual: ±1%
Cross regulation
- Asymmetrical load 25%/100%FL, dual: ±5%
Ripple and noise, measured by 20 MHz bandwidth
- With a 10μ/25V X7R MLCC
  - 3.3 and 4 Vout: 30 mVp-p
- With a 10μ/25V X7R MLCC
  - 12 and 15 Vout: 40 mVp-p
- With a 4.7μF/50V X7R MLCC
  - 24 Vout: 50 mVp-p
Temperature coefficient: ±0.02%/°C
Transient response recovery time
- 25% load step change: 250µs
Over voltage protection, continuous clamp
- 3.3 Vout: 3.7 - 5 Vdc
- 5 Vout: 5.6 - 7 Vdc
- 12 Vout: 13.5 - 16 Vdc
- 15 Vout: 18.3 - 22 Vdc
- 24 Vout: 29.1 - 34.5 Vdc
Over load protection: 150%
Short circuit protection: continuous, automatic recovery

More Specifications:

GENERAL

Efficiency: 80 - 89%
Isolation voltage
- Input to output: 5000 Vac
Leakage current, 240 Vac, 60 Hz: 2 µA
Isolation capacitance: 12 - 17 pF
Switching frequency: 300 kHz
Clearance/creepage: 8mm
Design meets safety standards: ANSI/AAMI, ES60601-1, IEC60601-1, EN60601-1

ENVIRONMENTAL

Operating ambient temperature
- Without derating: -40 to 77°C
- With derating: 77 to 105°C
Storage temperature range: -55 to 125°C
Thermal impedance
- Natural convection (20LFM): 18°C/W
Thermal shock: MIL-STD-810F
Vibration: MIL-STD-810F
Relative humidity: 5 to 95%

PHYSICAL

Case material: Nickel coated copper
Base material: Non-conductive, black, plastic
Potting material: silicone (UL94-V0)
Weight: 14 g (0.48 oz)
Dimensions: 1.25" x 0.80" x 0.40" (31.8 x 20.3 x 10.2 mm)
MTBF: 8.638 x 105 hours, MIL-HDBK-217F Ta25°C. full load (G/B, controlled environment)

EMC CHARACTERISTICS

EMI
- Class A and B: EN55011, EN55022 and FCC part 18
ESD: EN6100-4-2, Perf. Criteria A
- Air: ±8kV
- Contact: ±6kV
Radiated immunity
- EN61000-4-3: 10 V/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: 10Vr.m.s, Perf. Criteria A

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