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CAT.No.U085

3.3V/5V Stepdown

DC to DC Converter Power IC

MD1320N

Application Manual

SHINDENGEN ELECTRIC MFG. CO., LTD.

Содержание MD1320N

Страница 1: ...CAT No U085 3 3V 5V Stepdown DC to DC Converter Power IC MD1320N Application Manual SHINDENGEN ELECTRIC MFG CO LTD...

Страница 2: ...esult in the appearance of smoke and flames If a breakdown or other abnormal condition occurs during equipment use immediately stop power to the equipment Contact our company at your earliest possible...

Страница 3: ...circuit board patterns and design considerations Reference 9 6 Operating instructions 10 6 1 Basic input and output connections 6 2 Input protection element connection 11 6 3 Overvoltage protection 6...

Страница 4: ...e and packaging specification codes are provided Shipping conditions are determined according to these specifications Entry example MD1320N 4072 Specification code Shows package configuration and prod...

Страница 5: ...4 2 5 Terminal functions...

Страница 6: ...5 3 External dimensions Diagram SSOP 32 2 6 Block diagrams...

Страница 7: ...6 2 Recommended operating conditions 3 Electrical characteristics Ta 25 4 Characteristics 1 Absolute maximum rating Ta 25...

Страница 8: ...tallation of the device to a board remolding using plastic may be required During this process stress on the device will depend on the type of plastic used The best plastic that which causes the least...

Страница 9: ...dropping resistor R2 as close as possible to the power IC device Separate the ground terminals Pin 4 and Pin 26 and the P and ground terminals Pins 16 Connect each of them as close as possible to out...

Страница 10: ...volves the rated output voltage and the maximum current output range 1 If an output voltage of 3 3V is required connect Pins 27 and 28 If an output voltage of 5V is required connect Pins 26 and 27 2 P...

Страница 11: ...tage voltage surge protection function If a malfunction occurs in the device internal circuitry there may be a voltage surge Output will reflect this surge and damage to equipment may result Smoke and...

Страница 12: ...n systems such as sequence control for a power supply system 1 R C terminal When turning ON power supply on the low side connection to ground be sure to add the circuit shown in Fig 6 C and turn the p...

Страница 13: ...ernal reference parts circuit configuration that is based on standard circuit configuration Efficiency and ripple voltage conditions Vin 12V and Io rated output current 6 5 Reference parts used with s...

Страница 14: ...x Maximum input voltage VO Output voltage VF SBD flywheel forward voltage 0 5V I Cut off current 2 IO 0 15 2 Cut off current flows through the choke coil Current value is intermittent f Oscillation fr...

Страница 15: ...Duty VO Output voltage Vi min Minimum input voltage VF SBD flywheel forward voltage 0 5V IO Output current The MD1320N is so designed that heat is radiated when Pins 11 12 13 14 and Pins 18 19 20 and...

Страница 16: ...sing equipment connected as shown in the standard connection diagram and using reference part and reference circuitry patterns 8 1 Output voltage 3 3V Line regulation Load regulation Temperature drift...

Страница 17: ...ge characteristics Input voltage output voltage characteristics Current limit characteristic Input fluctuation Current limit characteristic Temperature fluctuation Start up rising characteristics Shut...

Страница 18: ...17 Line regulation Load regulation Temperature drift Efficiency and loss characteristics IC temperature increase Derating curve 8 1 Output voltage 5V...

Страница 19: ...ge characteristics Input voltage output voltage characteristics Current limit characteristic Input fluctuation Current limit characteristic Temperature fluctuation Start up rising characteristics Shut...

Страница 20: ...ns Comply with JIS C 0806 2 Reel Material Polystyrene Demensions Comply with EIAJ ETX 7001 Label Type No Code No Date Code Quantity Manufacturer 3 Leader and Trailer Trailer 120mm min Leader 120mm min...

Страница 21: ...Label H Marking Type No Code No Date Code Quantities 2000 Package Code No SSOP 32 4072 2000 pcs Carton Weight kg D W 6000 7 6 363 363 160 H Quantities per Outer Carton Minimum Ordering Quantities Qua...

Страница 22: ...MEMO...

Страница 23: ...MEMO...

Страница 24: ...ificafions are subject to change without notice Printed in Japan 00O20 NP Please note that the information contained in this catalog may change for improvement or other purpose without notice Issued O...