LB1947VC SANYO [Sanyo Semicon Device], LB1947VC Datasheet
LB1947VC
Related parts for LB1947VC
LB1947VC Summary of contents
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... Ordering number : ENA2035 LB1947VC Overview The LB1947VC is a PWM current control type forward/reverse motor driver IC. The IC is optimal for use in driving brushed DC motors for printers. Features • PWM current control (fixed OFF time) • Selectable current decay pattern (FAST, SLOW, and MIX DECAY modes) • ...
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... pin input current Thermal shutdown temperature TSD * Design guarantee value, Do not measurement. LB1947VC Conditions Conditions No-load state, Forward No-load state, Brake No-load state, Output off No-load state, Standby mode +1.0A, Sink +2.0A, Sink ...
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... Package Dimensions unit : mm (typ) 3336 21.6 (20.0) (11.0) (R1.75) 1 (1.91) 1.27 0.7 Pin Assignment LB1947VC HEAT SPREADER 3.0 0.4 15 2.54 2.54 SANYO : HZIP15 Pd max -- Ta 2.0 1.6 1.2 0 Ambient temperature LB1947VC 100 Top view No.A2035-3/11 ...
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... OPEN X Except for MD pin, Low at input OPEN. LB1947VC OUT A OUT Control logic circuit shutdown circuit One-shot Current multi- select blanking circuit time OUT A OUT Forward, 2/5 times, FAST ...
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... MD Current attenuation switching pin. Low : FAST DECAY High: SLOW DECAY M : MIX DECAY M is set by external power supply voltage. Range : 1.1 to 4.0V 15 GND Ground pin connect LB1947VC Function Equivalent circuit V CC 100μA 50kΩ 4 40kΩ REF ...
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... V REF 12 GND 15 RE Limiter current setting method IN1 IN2 − − L LB1947VC OUT A 3 Control logic circuit One-shot Current multi- select blanking circuit time REF / (5 × RE) OUT A OUT A Mode H L Forward L H Reverse ...
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... V REF 12 GND 15 IN1 IN2 ST OUT OFF − − L OFF LB1947VC M OUT A OUT Control logic circuit shutdown circuit One-shot Current multi- select blanking circuit time OUT A Mode L Forward H Reverse L Brake ...
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... PWM current control forward/reverse motor (MIX DECAY) *Schottky barrier type for external diodes IN1 9 IN2 REF 12 GND 15 RE LB1947VC M OUT A OUT Control logic circuit shutdown circuit One-shot Current multi- select blanking circuit time 24V ...
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... The noise cancel time (Tn) and the switching off time (Toff) are set by the following expressions: Noise cancel time: Tn ≈ C × R × ln {(1.0 − RI) / (4.0 − RI) [sec] Switching off time: Toff ≈ −C × R × ln (1.0 / 4.8) [sec] Internal configuration at CR pin LB1947VC CR charge current: 1.3mA V CC line One-shot multi-blanking ...
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... There is a method to mount the semiconductor device to the heat sink by using a spring band. But this method is not recommended because of possible displacement due to fluctuation of the spring force with time or vibration. LB1947VC Binding head machine screw ...
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... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of March, 2012. Specifications and information herein are subject to change without notice. LB1947VC PS No.A2035-11/11 ...