bp5034a5 ROHM Co. Ltd., bp5034a5 Datasheet

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bp5034a5

Manufacturer Part Number
bp5034a5
Description
Ac / Dc Converter Unit
Manufacturer
ROHM Co. Ltd.
Datasheet
The BP5034A5 is an AC / DC converter that provides a direct current (5V) from commercial power supply (100V, AC),
with a small number of external components required. Using this IC, a compact microcontroller-based device can be
configured without a transformer.
FApplications
Power supplies for vacuum cleaners, rice cookers, electric pots, steam irons, telephones, electric heaters, lighting equip-
ment, gas leakage alarms, and sensors
FFeatures
1) Smaller and lighter than transformers.
2) Wide range of input voltage (80 X 120V, AC).
3) Few external components required.
4) Power supply board is resistant to impacts because
FAbsolute maximum ratings (Ta = 25_C)
FElectrical characteristics (unless otherwise noted, Ta = 25_C)
AC / DC converter unit
BP5034A5
Regulator ICs
a transformer is not used.
5) The hybrid IC allows easy assemblage of compo-
nents.
1

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bp5034a5 Summary of contents

Page 1

... Regulator ICs converter unit BP5034A5 The BP5034A5 converter that provides a direct current (5V) from commercial power supply (100V, AC), with a small number of external components required. Using this IC, a compact microcontroller-based device can be configured without a transformer. FApplications Power supplies for vacuum cleaners, rice cookers, electric pots, steam irons, telephones, electric heaters, lighting equip- ...

Page 2

... Regulator ICs FMeasurement circuit FBasic circuits 2 1 Pin 6 is the COMMON pin and is connected internally to pin 5. Use eitcher both, or one or the other, as the COMON pin. Keep open the other pins that are not used. BP5034A5 ...

Page 3

... Regulator ICs FApplication example Example of a vacuum cleaner application The diode bridge, which draws out a zero-cross signal, Example of a rice cooker application is not required if a zero-cross signal is not used. BP5034A5 3 ...

Page 4

... Rush current waveform 4 (3) Output voltage smoothing capacitor Use a capacitor with a small ESR. Specifically, a low-im- pedance capacitor for power supply switching is recom- mended. The capacitor’s ESR affects the output ripple voltage. Capacitor products are listed below for refer- ence. BP5034A5 ...

Page 5

... Regulator ICs Application circuit Rush current waveform BP5034A5 5 ...

Page 6

... Though a 0.5A continuous break fuse is recommended, careful selection should be made according to the loading condition. (4) Regulations governing electrical products A single IC (BP5034A5) unit is not subject to the Regula- tions on Electrical Appliances. An application for approv- al should be based on an assembled unit. (5) Surge tolerance Results of electrostatic breakdown tests are shown in Fig ...

Page 7

... Regulator ICs (6) Pin noise voltage Results obtained by using the Measurement circuit of Fig. 13 are shown in Fig. 12. BP5034A5 7 ...

Page 8

... Regulator ICs FElectrical characteristic curves (Measurement circuit is Fig. 8) FExternal dimensions (Units: mm) 8 BP5034A5 ...

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