L6269, L6278, L6278 1.2 Selling Leads, Datasheet
MFG:ST Package Cooled:00+ D/C:800
L6269, L6278, L6278 1.2
- Table of contents:
Info of L6269
Info of L6278
Info of L6278 1.2
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About L6269
PDF/DataSheet Download
Datasheet: L6269
File Size: 111805 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About L6201
PDF/DataSheet Download
Datasheet: L6201
File Size: 7160058 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About L6201
PDF/DataSheet Download
Datasheet: L6201
File Size: 7160058 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
L6269 General Description
The L6269 integrates into a single chip both spindle nd VCM controllers as well as power stages. he device is designed for 12V disk drive application equiring up to 2.0A of spindle and 1.5A of CM peak currents.
A serial port with up to 25 MHz capability provides asy interface to the microprocessor. A register ontrolled Frequency Locked Loop (FLL) allows lexibility in setting the spindle speed. Integrated EMF processing, digital masking, digital delay, nd sequencing minimize the number of external omponents required.
Power On Reset (POR) circuitry is included. Upon etection of a low voltage condition, POR is asserted, he internal registers are reset, and spindle ower circuitry is tri-stated. The BEMF is rectified roviding power for actuator retraction ollowed by dynamic spindle braking.
The device is built in BICMOS technology allowing ense digital/analog circuitry to be combined ith a high power DMOS output stage.
L6269 Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit |
|
VCC |
Maximum Supply voltage |
-0.5 to 14 |
V |
|
Vdd |
Maximum Logic supply |
-0.5 to 6 |
V |
|
Vin max |
Maximum digital input voltage |
Vdd -0.3V |
V |
|
Vin min |
Minimum digital input voltage |
GND - 0.3V |
V |
|
SPINDLE Ipeak |
Spindle peak sink/source output current |
2.1 |
A |
|
VCM Ipeak |
VCM peak sink/source output current |
1.6 |
A |
|
Ptot (*) |
Maximum Total Power Dissipation |
2.0 |
W |
|
Tstg, Tj |
Maximum Storage/Junction Temperature |
-40 to 150 |
°C |
L6269 Connection Diagram
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