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LM4570LQ/NOPB
Single-Ended Input Motor Driver
MOTOR
VDD
GND
/SD
REF1
REF2
VO1
RIN LM4570
LM4570
www.ti.com SNOSAV2C–APRIL 2006–REVISED APRIL 2013
LM4570 Single-Ended Input Motor Driver
Checkfor Samples: LM4570
1FEATURES DESCRIPTIONThe LM4570isa single supply motor driver for
Output Short Circuit Protection improved sensory experiencein mobile phones and
• High Output Current Capability other handheld devices. The LM4570is capableof
Wide Output Voltage Range driving up to 192mA while operating froma 3V
supply. Near rail-to-rail output swing under load
• Fast Turn on Time ensures sufficient voltage drive for most DC motors,
• Output Short Circuit Protection while the differential output drive allows the voltage
• Low Power Shutdown Mode polarity across the motor to be reversed quickly.
Reversing the voltage gives the LM4570 the abilityto
• Minimum External Components drivea motor both clock-wise and counter clock-wise
• Availablein Space-Saving WSON Package froma single supply.
The LM4570 features fast turn on time, anda wide
APPLICATIONSinput voltage range for precise speed control.A low
• Mobile Phones power shutdown mode minimizes power
PDAs consumption.
Video Game Systems Thermal and output short circuit protection prevents
the device from being damaged during fault
KEY SPECIFICATIONS conditions.
High Output Current@ VDD= 3V: 192 mA Fast Turn On Time@ 3V: 2.4 ms Quiescent Power Supply Current@ 3V: 1.9 mA Shutdown Current: 0.1µA (Typ)
Typical Application1. Typical Driver Application
