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PDF LV8743V Data sheet ( Hoja de datos )
| Número de pieza | LV8743V | |
| Descripción | PWM Constant-Current Control Stepping Motor Driver and Switching Regulator Controller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LV8743V (archivo pdf) en la parte inferior de esta página. Total 21 Páginas | ||
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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
40
6
40
800
500
120
0.5
2.8
-20 to +85
-55 to +150
Unit
V
V
V
mA
mA
mA
W
W
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
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
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Pin Assignment
CR2 1
PHA2 2
I12 3
IO2 4
PS 5
PGND1 6
GND 7
OUT2B 8
RNF2 9
OUT2A 10
VMM 11
OUT1B 12
RNF1 13
OUT1A 14
PGND2 15
VG 16
VM 17
CP2 18
CP1 19
VCC 20
VREF1 21
CR1 22
LV8743V
LV8743V
Top view
44 GND
43 OUT4
42 OUT3
41 VMSW
40 INV4
39 FB4
38 DT4
37 NON4
36 INV3
35 FB3
34 DT3
33 NON3
32 SOFT
31 SCP
30 CREG
29 RT
28 CT
27 VREGS
26 MD
25 PHA1
24 I11
23 IO1
PCA01177
No.A0612-5/21
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
Continued from preceding page.
Pin No.
Pin
34 DT3
38 DT4
29 RT
28 CT
42 OUT3
43 OUT4
LV8743V
5V
VMSW
Equivalent Circuit
GND
5V
500Ω
500Ω
FB
GND
VMSW
5V
28
500Ω
CT
500Ω
500Ω
1V
29
VMSW
GND
Continued on next page.
No.A0612-11/21
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LV8743V.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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