pbl3775so ETC-unknow, pbl3775so Datasheet
pbl3775so
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pbl3775so Summary of contents
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Description The PBL 3775 switch-mode (chopper), constant-current driver IC with two channels, one for each winding of a two-phase stepper motor. The circuit is similar to Ericsson´s PBL 3773/1. While several of Ericsson´s dual stepper motor drivers are ...
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PBL 3775/1 Maximum Ratings Parameter Voltage Logic supply Motor supply Logic inputs Analog inputs Current Motor output current Logic inputs Analog inputs Temperature Operating junction temperature Storage temperature Power Dissipation (Package Data) Power dissipation +25 C, DIP ...
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Electrical Characteristics Electrical characteristics over recommended operating conditions, unless otherwise noted Parameter Symbol fig. General Supply current I CC Supply current I CC Total power dissipation P D Total power dissipation P D Thermal shutdown junction temperature ...
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PBL 3775 VMM 20 VMM 5 PBL 1 GND GND 6 19 3775/1SO 18 GND 7 GND VR ...
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Functional Description Each channel of the PBL 3775/1 consists of the following sections: an output H-bridge with four transistors and four recirculation diodes, capable of driving up to 750 mA continuous current to the motor winding, a logic section that ...
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PBL 3775/1 Choose the blanking pulse time to be longer than the duration of the switching transients by selecting a proper C value. T The time is calculated as 210 • the C ...
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Low inductance, especially in combi- nation with a high supply voltage, enables high stepping rates. However, to give the same torque capability at low speed, the reduced number of turns in the winding in the low resistive, low inductive motor ...
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PBL 3775/1 Thermal resistance [ C/ PCB copper foil area [cm ] PLCC package DIP package Figure 14. Typical thermal resistance vs. PC Board copper ...