参数资料
型号: L7250
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: VOICE COIL MOTOR CONTROLLER, PQFP64
封装: TQFP-64
文件页数: 43/46页
文件大小: 478K
代理商: L7250
L7250
6/46
NPORpull
NPOR internal pull_up resistor to
V33
6Kohm
CPORIc
CPOR charging current
Vout = 0V
5
uA
CPORlow
CPOR low level output voltage
VCV > 4.5V Iol = 1mA
50
mV
Vref25
2.5V reference voltage
-5%
2.5
+5%
V
THERMAL WARNING AND THERMAL SHUTDOWN
Twarn
Thermal warming temperature
Characterized, tested by
correlation.
130
140
150
°C
Tsoff
Thermal Shutdown temperature
Characterized, tested by
correlation
150
165
180
°C
Thys
Thermal Hysteresis
valid for both temperature
thresholds
20
25
30
°C
VM ISOLATION FET
IsoR
Rds ON
@ 125°C , I=2.5A
0.1
Ohm
IsoI
Continuous current
2.5
A
SPINDLE DRIVER SECTION
POWER STAGE
Rds(on)
Total output ON resistance
(Source + Sink)
@ 125°C, I=2.5A
0.9
Idsx
Output leakage current
-200
-500
A
CTlkg
Centarl tap leakage
1
A
DiodeFw Clamp diode forward voltage
If = 2.5A
0.6
1.2
V
Slew
Output slew rate
OUTx 10% to 90%
Reg04H ‘b7b6b5’ = 011
40
V/
S
BACK EMF COMPARATOR
Vie
Common mode input voltage
range.
Guaranteed by design
0
VM
V
Vr
Input voltage range where output
shall not invert.
Guaranteed by design
-1
VM+1
V
BEMFoff
BEMF input offset
CT = 6V
-15
+15
mV
BEMFhy
BEMF hysteresys
CT = 6V
50
mV
SPINDLE CURRENT LIMITING
Iin
RSENSE Input bias current.
0 < Vin < 3.3V
1
A
CURoff
Comparator offset
-15
+15
mV
ELECTRICAL CHARACTERISTCS (continued)
POWER SUPPLY [VCC5 & VCV] VCC5 = 5V ±10%, VCV = 12V ±10%. Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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