參數(shù)資料
型號: LB1857M
元件分類: 運動控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, 1.5 A, PDSO30
封裝: MFP-30
文件頁數(shù): 1/6頁
文件大?。?/td> 176K
代理商: LB1857M
Monolithic Digital IC
Ordering number : EN3976A
33098HA (OT)/D111TS No. 3976-1/6
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Three-Phase Brushless Motor Driver IC
LB1857M
Overview
The LB1857M is a three-phase brushless motor driver IC
designed for use as a camcorder capstan or drum motor
driver, or as a digital audio tape player/recorder motor
driver.
Features
120° voltage linear system
Appropriate for portable applications, since the
LB1857M reduces system power requirements by using
motor voltage control for speed control.
Built-in torque ripple compensation circuit
Small external capacitances due to the adoption of a soft
switching technique (chip capacitor).
Built-in thermal shutdown circuit
Built-in FG amplifier
Package Dimensions
unit: mm
3073A-MFP30S
SANYO: MFP30S
[LB1857M]
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1 max
7
V
Supply voltage
VCC2 max
16
V
VS max
VCC2V
Output applied voltage
VO max
VS + 2
V
Output current
IO max
1.5
A
Allowable power dissipation
Pd max
1.0
W
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–55 to +125
°C
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1VCC1 ≤ VCC2
4.0 to 6.0
V
Supply voltage
VCC2
4 to 14
V
VS
Up to VCC2V
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