HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter is specially designed for applications in on-board power systems that need to generate a set of voltages that are isolated from the input power supply.

HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter is suitable for:

• The voltage of the input power supply is relatively stable (voltage variation range ±10%Vin);
• isolation is required between input and output (isolation voltage≤3000VDC);
• The requirements for output voltage stability are not high;
• Typical applications: pure digital circuits, general low-frequency analog circuits, relay drive circuits, dataexchange circuits, etc.

Features

• HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter has constant voltage input, isolated
• unregulated output 1W
• Isolation Voltage: 3000VDC
• Low no-load power consumption: 0.025W
• (Typ.)
• Efficiency: up to 90%
• Working temperature of HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter :-40℃~+85℃
• Failure-free time MTBF≥3.5 million hours
• (3500000Hrs)
• Output short circuit protection: continuous
• short circuit protection, automatic recovery
• HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter has small SIP Package, Plastic Housing
• International standard pin method
• Ripple / Noise ( 20MHz bandwidth ) :
• 30mVp-p (Typ.)

Application Notes

1. Input requirements for HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter : ensure that the output voltage fluctuation range of the power supply does not exceed the input requirements of the DC-DC module itself, and the output power of the input power supply must be greater thantheoutputpower of the DC DC module;

2.  For occasions with general requirements for ripple and noise, a filter capacitor canbe connected in parallel at the input end and the output end. The external circuit of HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter is shown in Figure (1) below, and the recommended value of the filter capacitor is shown in Table (1) . Output load requirements for HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter : try to avoid no-load use. When the actualpower consumption of the load is less than 10% of the module’s output rated power or there is no-load phenomenon, it is recommended to connect a dummy load at the output end. The dummy load (resistance) can be based on the module’s rated power. 5~10% calculation, resistance value=Uout/(1WR3*10%);
3. Overload protection: Under normal working conditions, the output circuit of HLK-F0509S-1WR3H 5V to 9V 111mah DC-DC converter has no protectionfunctionforoverload conditions, and over-temperature protection will be provided for long-term overload, and the output will beturned off;
4. Output continuous short-circuit protection, automatic recovery. 5. The capacitance value of the external capacitor at the output terminal should not be too large, otherwise it will easily cause overcurrent or poor startup when the module is started;
5. If the product works below the minimum required load, it cannot be guaranteed that the product performance meets all the performance indicators in this manual;
6. The maximum capacitive load is tested under the input voltage range and full load conditions;
7. Unless otherwise specified, all indicators in this manual are measured at Ta=25℃, humidity <75%RH, nominal input voltage and output rated load;
8. All index testing methods in this manual are based on the company’s standards

Note

1．Due to limited space, the above is just a list of typical products. If you need products other than the list, please contact the sales department of our company.

2.  The maximum capacitive load indicates the maximum capacitive load that can be connected to +Vo or -Vo. If it exceeds this value, the product will not be able to start normally.

Package Contains :

1 x Hlk-URB4815YMD-20WR3 48V to 15V 20W 1333mA DC to DC power supply

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