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Item # MTWA4-5-12, MTWA4 Series 4.5 to 12 Volt (V) Input Voltage (Vdc) Standard Package DC-DC Converter for Medical Applications

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Specifications  · Input Specifications  · Output Specifications  · More Specifications  · Features  · Note

Specifications

Brands

Polytron Devices

Input Voltage (Vdc)

4.5 to 12 V

Output Voltage (Vdc)

±12 V

Output Current at Full Load

±146 mA

Input Current at No Load

90 mA

Efficiency

82 %

Maximum Capacitor Load

±220 µF

Power

Up to 3.5 W

Input Range

2:1

Applications

Medical

Industry Standards/Certifications

Restriction of Hazardous Substances Directive (RoHS) EU Directive 2011/65/EU

Caution

This power module is not internally fused. An input line fuse must always be used.

Package Type

Standard


Input Specifications

Voltage Range (Vdc)

  • 4.5 Min., 5 Typ., 12 Max., 5 Vin (nom)
  • 9 Min., 12 Typ., 18 Max., 12 Vin (nom)
  • 18 Min., 24 Typ., 36 Max., 24 Vin (nom)
  • 36 Min., 48 Typ., 75 Max., 28 Vin (nom)

Start Up Voltage (Vdc)

  • 4.5 Max., 5 Vin (nom)
  • 9 Max., 12 Vin (nom)
  • 18 Max., 24 Vin (nom)
  • 36 Max., 28 Vin (nom)

Shutdown Voltage (Vdc)

  • 2 Min., 3 Typ., 4 Max., 5 Vin (nom)
  • 6 Min., 7 Typ., 8 Max., 12 Vin (nom)
  • 13 Min., 15 Typ., 17 Max., 24 Vin (nom)
  • 29 Min., 32 Typ., 35 Max., 28 Vin (nom)

Start Up Time (ms)

10 Typ., 20 Max., Constant resistive load, Power up, Remote ON/OFF

Input Surge Voltage (Vdc)

  • 15 Max., 5 Vin (nom)
  • 25 Max., 12 Vin (nom)
  • 50 Max., 24 Vin (nom)
  • 100 Max., 28 Vin (nom)

Input Filter

Capacitor Type

Remote ON/OFF (mA)

  • Open or high impedance: Referred to -Vin pin and Ctrl pin, DC-DC ON
  • 2 Min., 3 Typ., 4 Max., Applied current, DC-DC OFF
  • 2.5 Typ., Remote OFF input current


Output Specifications

Minimum Voltage Accuracy

-1 %

Maximum Voltage Accuracy

1 %

Minimum Line Regulation1

-0.2 %

Maximum Line Regulation2

0.2 %

Load Regulation (%)

  • -1 Min., 1 Max., No load to full load, Single
  • -1 Min., 1 Max., Dual
  • -0.5 Min., 0.5 Max., 10% load to 90% load, Single
  • -0.8 Min., 0.8 Max., Dual

Minimum Cross Regulation3

-5 %

Maximum Cross Regulation4

5 %

Ripple and Noise (mVp-p)5

  • 50 Typ., 5 Vout
  • 50 Typ., 9 Vout
  • 50 Typ., 12 Vout
  • 50 Typ., 15 Vout
  • 75 Typ., 24 Vout
  • 75 Typ., ±12 Vout
  • 75 Typ., ±15 Vout

Typical Transient Response Recovery Time6

500 µs

Over Voltage Protection (Vdc)

  • 6 Min., 8 Max., 5 Vout
  • 10 Min., 14 Max., 9 Vout
  • 13 Min., 19 Max., 12 Vout
  • 16 Min., 22 Max., 15 Vout
  • 25 Min., 35 Max., 24 Vout

Short Circuit Protection

Continuous
Automatic Recovery
1 Minimum Line Regulation
2 Minimum Line Regulation
3 Asymmetrical load 25%/100% FL, Dual
4 Asymmetrical load 25%/100% FL, Dual
5 Measured by 20MHz bandwidth
6 25% load step change


More Specifications

General Specifications

  • Isolation Voltage, Vac:
    • 1 minute, reinforced insulation for 250 Vac working voltage, 5000 Min.
  • Isolation capacitance, pF: 16 Typ., 20 Max.
  • Leakage current, µA: 240 Vac, 60 Hz, 2 Max.
  • Switching frequency, kHz: 100 Min.
  • Clearance/creepage, mm: 8 Min.

Environmental Specifications

  • Operating ambient temperature, ºC
    • With derating: -40 Min.+105 Max.
  • Maximum case temperature, ºC: +105 Max.
  • Storage temperature range, ºC: -55 Min., +125 Max.
  • Thermal shock: MIL-STD-810-F
  • Shock: MIL-STD-810-F
  • Vibration: MIL-STD-810-F
  • Relative Humidity: 5% to 95% RH
  • Load-free reflow solder process: SMD type only: IPC J-STD-020E
  • Moisture sensitivity level (MSL): SMD type only: IPC J-STD-033C, Level 2

Physical Specifications

  • Design Meet Safety Standard: EN/IEC/ANSI/AAMI ES60601-1, UL:E360199, EN/IEC/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)
  • Dimensions:
    • 0.95" x 0.57" x 0.40" (24.3 x 14.4 x 10.2 mm), SMD Type
    • 0.95" x 0.57" x 0.41" (24.3 x 14.4 x 10.5 mm), DIP Type
  • Weight: 7g (0.24oz)
  • MTBF: 6.809 x 106 hrs, MIL-HDBK-217F, Full load

EMC Specifications

  • EMI: EN55011, EN55032 and FCC Part 18, With external components, Class A, 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, ±1KV, 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


Features
  • 5000Vac Input to Output 2MOPP Isolation
  • Low Leakage Current
  • High Efficiency
  • Over Voltage, Short Circuit and Under Voltage Protection
  • No Minimum Load Required
  • Miniature DIP16 Package (0.95" x 0.57" x 0.41")
  • Miniature SMD16 Package (0.95" x 0.57" x 0.40")
  • IEC 60601-1 Medical safety approval




Note
All specifications are typical at 230Vac input, full load and 25ºC, unless otherwise noted.

The MTWA4-5-XX recommended an aluminum electrolytic capacitor (Nippon Chemi-con KY series, 1000µF/25V) and a TVS (SMAJ18A, 18V, 400Watt peak pulse power) to connect in parallel.

For further information, please contact Polytron Devices.



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Brochure for MTWA4 Series DC-DC Converters for Medical Applications
(PDF, 1170KB)



Daburn electronics & cable corp.
224 Pegasus Ave.
Northvale, NJ 07647
Tel: 201-768-5400
Fax: 201-768-9642
E-Mail: daburn@daburn.com
URL: http://www.daburn.com/