LB1947 - PWM Current Control Type DC Motor Driver

Product Overview

Sanyo

Datasheet Details

Part number	LB1947
Manufacturer	Sanyo
File Size	60.61 KB
Description	PWM Current Control Type DC Motor Driver
Datasheet	LB1947 Datasheet
Additional preview pages of the LB1947 datasheet.

Product details

Description

Pin number 1 3 2 4 5 8 9 Pin name OUTA OUTA E VI ST IN1 IN2 Equivalent circuit Output pin Sense voltage control pin VI High : sense voltage is 2/5 of VREF Low : sense voltage is 1/5 of VREF ST High : circuit operation ON Low : standby mode IN1 High : rotation mode Low : brake mode IN2 High : reverse mode Low : forward mode Motor power supply voltage Logic power supply voltage Output current setting reference pin Setting range: 0 to (Vcc 2V) Pin function VCC 100µA 50kΩ 4 VI 4

Features

PWM current control (fixed OFF time).
Selectable current decay pattern (FAST, SLOW, and MIX DECAY modes).
Simultaneous ON prevention function (feedthrough current prevention).
Built-in thermal shutdown circuit.
Built-in noise canceler Package Dimensions unit: mm 3249-SIP13HJ [LB1947] 25.6 C0.7 φ 3.4 φ 2.0 2.4 (10.0) 2.0min 1 (0.8) 2.0 0.5 1.15 13 3.5 (13.9) 12.2 (12.8) 16.4max 0.4 1.2 Specifications Absolute Maximum Ratings at Ta = 25°C P.

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Published: Apr 25, 2005 |