L6238SQT Ver la hoja de datos (PDF) - STMicroelectronics
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L6238SQT Datasheet PDF : 31 Pages
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L6238S
ELECTRICAL CHARACTERISTICS (Continued)
Symbol
Parameter
Test Condition
Min. Typ.
BRAKE DELAY
Vchrg
Capacitor Charge Voltage
Iin
Input Current
Iout3
Source Current
VThres
Delay Timer Low Trip Threshold
RT = 50K
Vin = 5.0V
VA = 10.5V
8.8
9.6
0.5
1.2
1.8
CHARGE PUMP
Vout
Storage Capacitor Output
Voltage
Fcp
Charge Pump Frequency
Iin
Vstorage Input Current (Run
Mode)
Ibrkdly
Vstorage Leakage Current
(Brake Delay Mode)
Ib rake
Vstorage Leakage Current
(Brake Mode)
VA = 10.5V; Iout = 500µA
Vstorage = 12V; VA = Vlogic = 0
Vstorage = 12V; VA = Vlogic = 0
Vstorage = 12V; VA = Vlogic = 0
17
140
0.4
0.1
SEQUENCE INCREMENT
tseq
Time Between Rising Edges
1
OUTPUT TRANSCONDUCTANCE AMPLIFIER Note: Measure at OTA Comp. pin.
Voh
Voltage Output High
VA = 10.5V
10
VoutL
Output Voltage
Isource
Output Voltage
40.0
Isink
Output Sink Current
40.0
LOGIC SECTION
VinH
Input Voltage (All Inputs
Vlogic = 4.5 to 5.5V
3.5
VinL
Except Run/Brake
VinH
Run/Brake Input Voltage
Vlogic = 4.5 to 5.5V
2.0
VinL
IinH
Input Current
IinL
-1.0
VoutL
Output Voltage
Vsink = 2.0mA
VinL
Vsource = 2.0mA
4.5
Fsys
System Clock Frequency
8.0
toff /to n
Clock ON/OFF Time
20
Max.
10.5
500
2.8
450
25
1
1
2.0
0.5
1.5
1.0
1.0
0.5
12.0
Unit
V
nA
mA
V
V
KHz
µA
µA
µA
µs
V
V
V
µA
V
V
V
V
µA
mA
V
V
MHz
ns
Phase Delay Truth Table
Tdelay (2)
1
1
1
1
0
0
0
0
(*) Input Default
Tdelay (1)
0
0
1
1
0
0
1
1
Tdelay (0)
1
0
1
0
1
0
1
0
Commutation Phase Delay,
in Electrical Degrees
2.0
9.4
18.80
20.68
22.56
24,44 (*)
26.32
28.20
7/31
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