L6243 데이터 시트보기 (PDF) - STMicroelectronics
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L6243 Datasheet PDF : 12 Pages
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L6243-L6243D
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
VIN
VID
IO
Ip
Ptot
Tstg
Parameter
Supply Voltage
Input Voltage
Differential Input Voltage
DC Output Current
Peak Output Current (non repetitive)
Total Power Dissipation (Tamb = 70°C) for L6243
for L6243D
Storage and Junction Temperature
Value
18
0.3V to VS
±VS
2
2.5
2
1.2
-55 to +150
Unit
V
A
A
W
W
°C
THERMAL DATA
Symbol
Rth j-pin
Rth j-amb
Rth j-amb
Description
Thermal Resistance Junction to pin
Thermal Resistance Junction to pin floating in air
Thermal Resistance Junction to pin 16 cm2 copper area on board
heat sink
L6243
12
62
36
L6243D
14
50
Unit
°C/W
°C/W
°C/W
PIN FUNCTIONS
Name
VCC
GND
Vref
ENABLE
PARK POWER
CURRENT SENSE OUT
ERROR AMP IN
ERROR AMP OUT
SENSE IN ±
OUT A, B
PARK
PARK VOLTAGE PROGRAM
POWER FAIL THRESHOLD
LOGIC SUPPLY SENSE
5V FILTER
VCC SENSE OUT
POR
POR DELAY
WRITE DISABLE
AMP–
AMP+
AMPOUT
Function
Power supply.
Common Ground.
Voltage Reference.
Input. Logic low will disable IC.
Input Power supply for the parking circuit.
Current sense operational amplifier output.
Error amplifier inverting input.
Error amplifier output.
Input for external sense resistors.
Outputs of the two Power Operational Amplifiers Connections for Voice coil Motor.
External input for parking. Low will activate the park procedure.
Input to set the park voltage.
Supply monitor threshold setting.
Logic Supply Sense.
Capacitor connection to filter the logic supply ripple.
Power supply failure monitor output.
Power on reset output. Low will signal to the controller the failure of the logic supply.
Capacitor connection to set the power on reset delay.
Output for write disable. Low will disable the writing mode.
Inverting input of the additional op amp.
Non-inverting input of the additional op amp.
Output of the additional op amp.
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