LB1855 Sanyo, LB1855 Datasheet
LB1855
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LB1855 Summary of contents
Page 1
... Ordering number : EN5798 Overview The LB1855NM is a 3-phase brushless motor driver IC that is optimal for VCR drum motor drive. Features • Current linear drive • No output electrolytic capacitors required. On the specified printed circuit board ( 1.5 mm glass Ambient temperature, Ta — °C Specifications Absolute Maximum Ratings 25° ...
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... Common-mode input voltage range [Control Amplifier] Control reference voltage Control Gm Input current [Thermal Shutdown Circuit] Operating temperature Hysteresis Note: Items marked with an asterisk (*) are design target values and are not tested. Pin Assignment Block Diagram LB1855NM = Symbol Conditions GND ...
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... The output current can be detected as a voltage by inserting the resistor Rf between this pin and ground to provide fixed current drive. The current limiter also operates by detecting this voltage. LB1855NM – 0. However, note that certain motors may require output capacitors to prevent oscillation. Input V W ...
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... • Speed control pin V 15 This IC adopts a current control type in which the output current CREF controlled by the pin 16 voltage. The control start voltage C changes about 1 pin 15 is connected to ground. LB1855NM Pin description Equivalent circuit No. 5798-4/5 ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 1998. Specifications and information herein are subject to change without notice. LB1855NM PS No. 5798-5/5 ...