A3966SLB Allegro Microsystems Inc, A3966SLB Datasheet
A3966SLB
Specifications of A3966SLB
Available stocks
Related parts for A3966SLB
A3966SLB Summary of contents
Page 1
Features and Benefits ▪ ±650 mA continuous output current ▪ output voltage rating ▪ Internal fixed-frequency PWM current control ▪ Satlington® sink drivers ▪ User-selectable blanking window ▪ Internal ground-clamp and flyback diodes ▪ Internal thermal-shutdown circuitry ▪ ...
Page 2
... Selection Guide Part Number A3966ELBTR–T* A3966SLBTR–T Variant is in production but has been determined to be LAST TIME BUY. This classifi cation indicates that the * variant is obsolete and notice has been given. Sale of the variant is currently restricted to existing customer applications ...
Page 3
A3966 LOGIC SUPPLY V CC PHASE 1 UVLO & TSD ENABLE 1 BLANKING GATE 1 PWM LATCH OSC TRUTH TABLE PHASE ENABLE OUT Off ...
Page 4
A3966 ELECTRICAL CHARACTERISTICS & 680 Ground (unless noted otherwise Output Drivers Load Supply Voltage ...
Page 5
A3966 ELECTRICAL CHARACTERISTICS & 680 Ground (unless noted otherwise) (cont Control Logic (continued) PWM ...
Page 6
A3966 Internal PWM Current Control. The A3966 dual full- bridges are designed to drive both windings of a bipolar stepper motor. Load current can be controlled in each motor winding by an internal fi xed-frequency PWM control cir- cuit. The ...
Page 7
A3966 Load Current Regulation. Due to internal logic and switching delays the actual load current peak will be d slightly higher than the I value. These delays, plus the TRIP blanking time, limit the minimum value the current ...
Page 8
A3966 10.30±0. 16X 0.10 C 0.41 ±0.10 1.27 For Reference Only Pins 4 and 13 fused internally Dimensions in millimeters (reference JEDEC MS-013 AA) Dimensions exclusive of mold flash, gate burrs, and dambar protrusions Exact case ...