PDF預(yù)覽

• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12

LM4570 Single-Ended Input Motor Driver

April 2006

LM4570

Single-Ended Input Motor Driver

General Description

The LM4570 is a single supply motor driver for improved

sensory experience in mobile phones and other handheld

devices. The LM4570 is capable of driving up to 192mA

while operating from a 3V supply. Near rail-to-rail output

swing under load ensures sufficient voltage drive for most

DC motors, while the differential output drive allows the

voltage polarity across the motor to be reversed quickly.

Reversing the voltage gives the LM4570 the ability to drive a

motor both clock-wise and counter clock-wise from a single

supply.

The LM4570 features fast turn on time, and a wide input

voltage range for precise speed control. A low power shut-

down mode minimizes power consumption.

Thermal and output short circuit protection prevents the

device from being damaged during fault conditions.

Key Specifications

j

High Output Current

@

V

DD

= 3V

j

Fast Turn On Time

@

3V

j

Quiescent Power Supply Current

@

3V

j

Shutdown Current

192mA

2.4ms

1.9mA

0.1碌A(chǔ) (typ)

Features

n

n

n

n

n

n

n

n

Output Short Circuit Protection

High Output Current Capability

Wide Output Voltage Range

Fast Turn on Time

Output Short Circuit Protection

Low Power Shutdown Mode

Minimum external components

Available in space-saving LLP package

Applications

n

Mobile Phones

n

PDAs

n

Video Game Systems

Typical Application

20186326

FIGURE 1. Typical Motor Driver Application Circuit

漏 2006 National Semiconductor Corporation

DS201863

www.national.com

next

LQB08A相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
• LQB08A
  英文版
  Single-Ended Input Motor Driver
  NSC
  LQB08A

您可能感興趣的PDF文件資料

• LQB08A

熱門IC型號(hào)推薦

• LTC1772BES6#TRPBF
• LP3964EMPX-2.5
• LT1012CN8
• L78L33ABUTR
• LM339AMX
• LB1966M-TE-L
• LT1085CT
• LBC847BLT1G
• L2SA1037AKRLT1G
• LM1086CSX-2.5
• LT1082CT
• LM2676S-12