Homedatasheet48IMS30-0302-9G

48IMS30-0302-9G Datasheet

Dual Outputs 5v & 3.3v ; 3.3v & 1.8v
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Description

Features, Applications
Input to output electric strength test V DC Input voltage ranges 32...75VDC for -0302 Dual output

Industry standard pin-out Fixed frequency operation High efficiency x 2" platform with 9.4 mm profile Low output noise Soft start Shut down input, output voltages adjustable Programmable input undervoltage lockout Synchronisation Outputs no-load, overload and short-circuit proof Operating ambient temperature o C Thermal protection with auto-reset (non latching) Emissions below EN 55022, level B Immunity to IEC/EN 61000-4-2,-3,-4,-5 and -6

The IMS 30 series of board mountable 30 Watt DC-DC converters has been designed according to the latest industry requirements and standards. The converters are particularly suitable for applications in industry and telecommunication where variable input voltages or high transient voltages are prevalent. Features include efficient input and output filtering with unsurpassed transient and surge protection, low output ripple and noise, consistently high efficiency over the entire input voltage range, high reliability as well as excellent dynamic response to load and line changes.

The converters provide supplementary insulation with SELV outputs as e.g. required in battery supported systems where the bus voltage may exceed the SELV limit 60 V DC. They are designed and built according to the international safety standards IEC/EN UL 1950, CAN/ CSA C22.2 No.950-95. Approvals pending. The circuit comprises integrated planar magnetics and all components are automatically assembled and soldered onto a single PCB without any wire connections. The proprietary magnetic feedback solution ensures maximum reliabilityand repeatability in the control loop over all operating conditions. Careful considerations of possible thermal stresses ensure the absence of hot spots providing long life in environments where temperature cycles are a reality. The thermal design allows operation at full load to an ambient temperature 71�C in free air without using any potting material. Page Auxiliary Functions.......................................................... 6 Electromagnetic Compatibility (EMC)............................. 7 Immunity to Environmental Conditions............................ 8 Mechanical Data............................................................. 9 Safety and Installation Instructions............................... 10 Description of Option..................................................... 11

Page Summary......................................................................... 1 Type Survey and Key Data............................................. 2 Type Key......................................................................... 2 Functional Description..................................................... 2 Electrical Input Data........................................................ 3 Electrical Ouput Data...................................................... 4

Output 1 Uo1 nom Io1 nom [V DC] [A] Output I o1 nom U o2 nom [V DC] [A] Output power P o nom [W] 30 22 Input Voltage Range and Efficiency Ui min...Ui max typ DC 48 IMS 30-0503-9G 48 IMS 87 83 Option

Series...................................................................... IMS 30 Output voltage type output.................... ( 5.1 and 3.3Vout) Operating ambient temperature range �40...71 � C.................................................. -9 Synchronous rectifier...................................................... G Option: Inhibit............................................................ i

The IMS 30 series of DC-DC converters are magnetic feedback controlled forward converters using current mode PWM (Pulse Width Modulation). This product range features synchronous rectifiers delivering in very high efficiency. The output voltage of these versions can be adjusted via the Trim input. The Trim input is referenced to the secondary side and allows for programming of the output voltage in the range of approximately of Uo nom using an external resistor. The voltage regulation is achieved with a magnetic feedback circuit providing excellent line and load regulation. Current limitation is provided by the primary circuit, thus limiting the total output power to approx. of Po nom (see: Type Survey). The shut down input allows remote converter on/off. Overtemperature protection will shut down the unit in excessive overload conditions with automatic restart.

General conditions: 25 C, unless TC is specified. � Shut down pin left open circuit (not connected). � Trim input not connected.

Nominal input voltage Repetitive input surge voltage Converter Switch on start-up time SD high Rise time No load input current Input capacitance Shut down voltage

for surge calculation Unit disabled Unit operating �10 1.5

Input current of SD input Inrush peak current 4 Switching frequency Reflected ripple current Input RFI level conducted

Ui min will not be as stated Uo is increased above Uo nom by use of the Trim input. If the output voltage is set to a higher value, Ui min will be proportionally increased. Measured with a resistive and the max. admissible capacitive load. Measured with a lead length 0.1 m, leads twisted. Source impedance according to prETS 300132-2, version 4.3.

Inrush Current The inrush current has been kept as low as possible by choosing a very small input capacitance. A series resistor may be installed in the input line to further limit this current.

Input Undervoltage Lock-out The IMS30 converters are fitted with a defined input undervoltage lock-out:

Fig. 3 Converter start-up and rise time (applying Ui nom).

Fig. 2 Typical inrush current at Ui nom, Po nom versus time (48 IMS30-0503-9G). Source impedance according to prETS 300132-2, version at Ui nom.


Features

Parameters

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Manufacturer information

Power-One has been acquired by Bel Fuse and is now marketed under Bel Power Solutions.

Power-One has been a leader in high-efficiency "green" power conversion and management solutions, including renewable energy. Power-One's green products include DC-DC converters and power supplies.


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