LB1876
Overview
The LB1876 is a driver for polygon mirror motors such as used in laser printers and similar equipment. It incorporates all necessary circuitry (speed control + driver) on a single chip. Direct PWM drive enables drive with low power loss.
Package Dimensions unit: mm 3235A-HSOP36
[LB1876]
0.65 (4.9) 0.25 0.8 2.0 0.3 17.8 (6.2) 2.7
Functions and Features
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- - Three-phase bipolar drive Direct PWM drive technique Built-in lower side output diode Output current limiter Reference clock input circuit (FG frequency equivalent) PLL speed control circuit Phase lock detector output (with masking function) Built-in protection circuitry includes current limiter, restraint protection, overheat protection, low-voltage protection, etc.
- Brake method switching circuit (free-run or reverse torque)
- 5V regulator output
- Power save function
(0.5) (2.25)
2.45max
SANYO: HSOP36
Specifications
Maximum Ratings at Ta = 25°C
Parameter Maximum supply voltage 1 Maximum...
