Lock detection circuit (Can be set to operate in either automatic recovery or latching mode. ).
Thermal shutdown circuit.
Current limiter circuit.
Low-voltage shutdown circuit.
Forward/reverse switching.
Supports both single- and dual-power supply circuits. 1
0.8 2.7 0.3
14
15.2
0.8
SANYO: HSOP28 (275 mil)
Specifications
Maximum Ratings at Ta = 25°C
Parameter Supply v.
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Ordering number : ENN6656A
Monolithic Digital IC
LB11981
Three-Phase Sensorless Motor Driver
Applications
Refrigerator fan motors
Package Dimensions
unit: mm 3222-HSOP28 (275 mil)
[LB11981]
28 15
1.0 5.6 0.2 Ratings 30 Power supply for output stage 30 30 –0.3 to VCC + 0.3 1.0 Independent IC 0.5 –20 to +75 –55 to +150 0.1 1.8max 0.5 7.6 Unit V V V V A W °C °C
Features
• No Hall sensors required. • No FG sensors required. • Lock detection circuit (Can be set to operate in either automatic recovery or latching mode.) • Thermal shutdown circuit • Current limiter circuit • Low-voltage shutdown circuit • Forward/reverse switching • Supports both single- and dual-power supply circuits.
1
0.8 2.7 0.3
14
15.2
0.
LB11981 Datasheet
