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MFG:500 Package Cooled:ST
Part Number: L6243DS
MFG: 500
Package Cooled: ST
Description: The L6243DS is a Bipolar IC developed for use in Mass Storage Head Actuator positioning applications. ...
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L6243DS
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DataSheet
General Description
L6243DS General Description
The L6243DS is a Bipolar IC developed for use in Mass Storage Head Actuator positioning applications. The Power Op-Amp Output Bridge, Differential Amplifier, and Error Amplifier, are controlled by TTL/CMOS, input compatible, Digital Logic, and an Analog Current Control Voltage. A simple RC compensation network, tied to the output of the Error Amp, will configure the system to work as a Transconductance Amplifier to drive a Voice Coil Motor in Linear Mode.
Additional features include Power On Reset Delay, Enable and Park. A logic low at the Park input activates the parking function. Holding the Enable input low will disable the device by forcing the outputs into a tristate mode. Power Fail Monitors for the logic and power supplies initiate an automatic parking sequence during a power failure. A resistor programmed parking voltage enables a constant velocity head retract.
L6243DS Maximum Ratings
| Symbol | Parameter | Value | Unit |
| VS | Supply Voltage | 14 | V |
| VIN | Input Voltage | 0.3V to VS | |
| VID | Differential Input Voltage | ±VS | |
| IO | DC Output Current | 1 | A |
| Ip | Peak Output Current (non repetitive) | 1.2 | A |
| Ptot | Total Power Dissipation (Tamb = 70°C) | 1.2 | W W |
| Tstg | Storage and Junction Temperature | -55 to +150 | °C |
L6243DS Connection Diagram
L6243DS
PDF/DataSheet Download
- Datasheet: L6243DS
- File Size: 93806 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
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