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LB1861M

Sanyo
Part Number LB1861M
Manufacturer Sanyo
Description Variable Speed Fan Motor Driver
Published Apr 25, 2005
Detailed Description Ordering number: EN3519A Monolithic Digital IC LB1860,1860M,1861,1861M Variable Speed Fan Motor Driver Overview The L...
Datasheet PDF File LB1861M PDF File

LB1861M
LB1861M

Overview
Ordering number: EN3519A Monolithic Digital IC LB1860,1860M,1861,1861M Variable Speed Fan Motor Driver Overview The LB1860 series ICs are drivers for two-phase unipolar drive DC brushless fan motors.
They have functions such as driving, lock protection, restart and speed control.
Package Dimensions unit: mm 3098B-DIP10S [LB1860, 1861] Features and Functions .
Two-speed mode select function requiring less external .
.
.
.
.
.
component additions: Full speed and Low speed.
Or, thermistor-controlled continuous variable-speed function according to ambient operation temperatures.
→ Motor starts rotating at a low speed.
Motor lock protection and automatic return circuit built in Output transistors: Output current IO = 1.
5 A, output circuit protection Zener diodes (LB1860: M-Vz = 57 V/ LB1861: M-Vz = 32 V) → Enables low-level noise protection with chip capacitor.
Built-in thermal shutdown circuit Built-in rotation detect function (Drive mode: ‘‘L’’, Stop mode: ‘‘H’’) The LB1860 series can be operated from either 12 V or 24 V power supply by changing an external resistor.
(Strong protection against power supply surge) Connectable direct to a Hall element SANYO : DIP10S unit: mm 3111-MFP14S [LB1860M, 1861M] SANYO : MFP14S SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 73096HA(II)/4060TA,TS No.
3519-1/6 LB1860,1860M,1861,1861M Specifications Absolute Maximum Ratings at Ta = 25 °C, ( ): LB1860M, LB1861M Parameter Maximum input current Output supply voltage Output current RD flow-in current RD supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol ICC max VOUT IOUT IRD VRD Pd1 max Pd2 max Topr Tstg Mounted on 20 × 15 × 1.
5 mm glass epoxy board t % 20 ms Conditions Ratings 200 Internal 1.
5 10 50 1.
1 (0.
8) –30 to +80 –55 to +125 Unit mA V A mA V W W °C °C Allowable Operating Ranges at Ta = 25 °C Parameter Input current range Common-mode input v...


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