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参数资料
| 型号： | L6254 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 2.1 A, PQFP44 |
| 封装： | 10 X 10 MM, TQFP-44 |
| 文件页数： | 12/17页 |
| 文件大小： | 170K |
| 代理商： | L6254 |
ELECTRICAL CHARACTERISTICS (All specifications are for 0 < Tamb < 70°C, VCC = 12V; VDD = 5V,
FLL_RES = 62k
, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
POWER SUPPLIES
VCC
12V Supply
10.8
13.2
V
IVCC
VCC Current
SPINDLE + VCM
20
mA
SPINDLE ONLY
7
mA
VCM ONLY
12
mA
Vrectified
VCC Supply Rectified
3.5
13.2
V
Vdd
5V supply
4.5
5.5
V
IVdd
5V supply
SPINDLE + VCM
6
mA
SPINDLE ONLY
7
mA
VCM ONLY
12
mA
ABSOLUTE 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
≈ 1.7
W
Tstg, Tj
Maximum Storage/Junction Temperature
-40 to 150
°C
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-case
Thermal Resistance Junction to Case
≈ 20
°C/W
Rth j-amb (*)
Thermal Resistance to Junction to ambient
≈ 40
≈ 25 with soldered slug
°C/W
(*) In typical application with multilayer 120x120mm Printed Circuit Board.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VCC
Supply voltage
10.8 to 13.2
V
Vdd
Maximum Logic supply
4.5 to 5.5
V
Tamb
Operating Ambient Temperature
0 to 70
°C
Tj
Junction Temperature
0 to 125
°C
L6254
4/17
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