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LB1843V

Part Number	LB1843V
Manufacturer	Sanyo
Description	Low-saturation / current-controlled bidirectional motor driver
Published	Apr 25, 2005
Detailed Description	Ordering number: EN 4385B Monolithic Digital IC LB1843V Low-saturation, current-controlled bidirectional motor driver ...
Datasheet	LB1843V PDF File

Overview

Ordering number: EN 4385B Monolithic Digital IC LB1843V Low-saturation, current-controlled bidirectional motor driver Overview The LB1843V is a low-saturation bidirectional motor driver with output current limitation and detection functions.
This design is ideal for controlling the loading motor in a video camera.
Package Dimensions unit : mm 3179A-SSOP20 [LB1843V] Features .
Output current limiter and detector built in .
Low-saturation voltage bidirectional bridge circuit built in: sat = 0.
40 V typ.
at 400 mA .
V Practically no current drain (0.
1 µA or less) in standby mode .
Input-linked reference voltage built in .
Thermal shutdown circuit built in .
Requires little space, since few external components are O needed and the IC is contained in a small SSOP-20 package SANYO : SSOP20 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Maximum output current Applied input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Im max VIN Pd max Topr Tstg With board ( 50 × 35 × 1.
6 mm ) 3 Conditions Ratings 10.
5 800 –0.
3 to +10 800 –20 to +80 –40 to +150 Unit V mA V mW °C °C Allowable Operating Ranges at Ta = 25°C Parameter Supply voltage VM voltage High-level input voltage Low-level input voltage LIR input voltage Output current limitation Symbol VCC VM VIH VIL VLIR Ilimit Conditions Ratings 3.
0 to 9.
0 2.
2 to VCC 3.
0 to 9.
0 –0.
3 to +0.
7 0.
5 to VCC–1.
0 50 to 350 Unit V V V V V mA SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN O3096HA(II) No.
4385-1/6 LB1843V Electrical Characteristics at Ta = 25°C, VCC = 7.
2 V Parameter Supply current Symbol ICC0 ICC1 ICC2 Vsat1 Vsat2 Vref Ilimit IIN VRDsat Conditions During standby During bidirectional operation, no load During braking IO = 200 mA (upper side + lower side) IO = 400 mA (upper side + lower side) IVref = 1 mA Resistance between VCC and VM = 1 Ω, when ...

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