LB1847-E SANYO, LB1847-E Datasheet - Page 8

• Manufacturer Part Number: LB1847-E
• Description: IC MTR DRVR BPLR STEP DIP28H
• Manufacturer: SANYO

Specifications of LB1847-E

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Voltage - Load: 10 V ~ 45 V
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.550", 12.7mm) Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Other names: 869-1250

MIX DECAY logic setting
MIX DECAY
Output pin
Output pin
DECAY pin : L
MD pin : 1.5V to 4.0V voltage setting
CR voltage > MD pin voltage: dual-side chopping
CR voltage < MD pin voltage: upper-side chopping
RC pin
E pin
CR voltage and MD pin voltage are compared to select dual-side chopping or upper-side chopping.
ton : Output ON time
toff : Output OFF time
tm : FAST DECAY time in MIX DECAY mode
tn : Noise cancelling time
t n
t m
LB1847
Switching waveform
Noise spike
t off
t on
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