LV8743V Datasheet, PDF (1/21 Pages) Sanyo Semicon Device – Bi-CMOS LSI PWM Constant-Current Control Stepping Motor Driver and Switching Regulator Controller

Ordering number : ENA0612
LV8743V
Bi-CMOS LSI
PWM Constant-Current Control Stepping Motor
Driver and Switching Regulator Controller
Overview
The LV8743V is a PWM constant-current control stepping motor driver and switching regulator controller IC.
Features
• Provides a single PWM constant-current control stepping motor driver circuit
• Two switching regulator controller circuits
• Can control stepping motors with up to W1-2 phase commutation
• Built-in high-precision reference voltage circuit
• Timer/latch type short circuit protection circuit
• Built-in high and low side regenerative diodes
• Thermal shutdown circuit
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Output voltage
Driver output peak current
Driver output continuous current
Regulator output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VM max
VCC max
VO max
MDIO peak
MDIO max
SWIO max
Pd max1
Pd max2
Topr
Tstg
Conditions
tw ≤ 10ms, duty 20%
Independent IC
Mounted on a circuit board.*
* Specified circuit board : 90×90×1.7mm³ : 2-layer glass epoxy printed circuit board
Ratings
Unit
40
V
6
V
40
V
800
mA
500
mA
120
mA
0.5
W
2.8
W
-20 to +85
°C
-55 to +150
°C
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"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
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Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
22807 MS PC 20060516-S00009 No.A0612-1/21