LB1975 Selling Leads, Price trend, LB1975 DataSheet download, circuit diagram from SeekIC.com

Features: • Withstand voltage 45 V, output current 2.5 A• Direct PWM drive output• 3 built-in output top-side diodes• Built-in current limiter• Built-in FG output circuitPinoutSpecifications Absolute maximum ratings Vm min [V] 20 Vm max [V] 42 ...

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SeekIC No. : 004391225 Detail

LB1975: Features: • Withstand voltage 45 V, output current 2.5 A• Direct PWM drive output• 3 built-in output top-side diodes• Built-in current limiter• Built-in FG output circu...

LB1975 Data Sheet

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Part Number:: LB1975
Supply Ability:: 5000

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1~5000

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Upload time: 2025/1/11

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Motor / Motion / Ignition Controllers & Drivers Step Motor Driver IC for 2-phase Excit

Product Details

Description

Features:

• Withstand voltage 45 V, output current 2.5 A
• Direct PWM drive output
• 3 built-in output top-side diodes
• Built-in current limiter
• Built-in FG output circuit

Pinout

Connection Diagram

Specifications

Absolute maximum ratings
Vm min [V]	20
Vm max [V]	42
IO max [A]	2.5

Parameter	Symbol	Conditions	Ratings	Unit
Supply voltage	V_CC max		7	V
	V_M max		45	V
Output current	I_O max		2.5	A
Maximum input current	I_REG max	V_REGpin	10	mA
Allowable power dissipation	Pd max1	IC only	3	W
	Pd max2	With infinite heat sink	20	W
Operating temperature	Topr		20 to +100	°C
Storage temperature	Tstg		55 to +150	°C

Description

The LB1975 is a three-phase brushless motor driver IC suited for use in direct PWM driving of DC fan motors for air conditioners, water heaters, and other similar equipment. Since a shunt regulator circuit is built in, single power supply operation sharing the same power supply for the motor is supported.

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LB1975

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