參數(shù)資料
型號: L6238S
廠商: 意法半導(dǎo)體
英文描述: 12V Sensorless Spindle Motor Controller(主軸馬達(dá)控制器)
中文描述: 12V的傳感器主軸電機(jī)控制器(主軸馬達(dá)控制器)
文件頁數(shù): 7/31頁
文件大小: 324K
代理商: L6238S
ELECTRICAL CHARACTERISTICS
(Continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
BRAKEDELAY
V
chrg
I
in
I
out3
V
Thres
Capacitor ChargeVoltage
Input Current
Source Current
Delay Timer Low Trip Threshold
R
T
= 50K
V
in
= 5.0V
V
A
= 10.5V
8.8
9.6
10.5
500
V
nA
mA
V
0.5
1.2
1.8
2.8
CHARGE PUMP
V
out
Storage Capacitor Output
Voltage
Charge Pump Frequency
Vstorage Input Current (Run
Mode)
Vstorage Leakage Current
(Brake Delay Mode)
Vstorage Leakage Current
(Brake Mode)
V
A
= 10.5V; I
out
= 500
μ
A
17
V
F
cp
I
in
140
450
25
KHz
μ
A
V
storage
= 12V; V
A
= V
logic
= 0
I
brkdly
V
storage
= 12V; V
A
= V
logic
= 0
0.4
1
μ
A
I
brake
V
storage
= 12V; V
A
= V
logic
= 0
0.1
1
μ
A
SEQUENCEINCREMENT
t
seq
Time Between RisingEdges
1
μ
s
OUTPUT TRANSCONDUCTANCE AMPLIFIER
Note: Measure at OTA Comp. pin.
V
oh
Voltage Output High
V
outL
Output Voltage
I
source
Output Voltage
I
sink
Output Sink Current
V
A
= 10.5V
10
V
V
V
μ
A
2.0
0.5
40.0
40.0
LOGICSECTION
V
inH
V
inL
V
inH
V
inL
I
inH
I
inL
V
outL
V
inL
F
sys
t
off
/t
on
Input Voltage (All Inputs
Except Run/Brake
Run/Brake Input Voltage
V
logic
= 4.5 to 5.5V
3.5
1.5
V
V
V
V
μ
A
mA
V
V
MHz
ns
V
logic
= 4.5 to 5.5V
2.0
1.0
1.0
Input Current
-1.0
Output Voltage
Vsink = 2.0mA
V
source
= 2.0mA
4.5
8.0
20
0.5
System Clock Frequency
Clock ON/OFF Time
12.0
Tdelay (2)
Tdelay (1)
Tdelay (0)
Commutation Phase Delay,
in Electrical Degrees
2.0
9.4
18.80
20.68
22.56
24,44 (*)
26.32
28.20
1
1
1
1
0
0
0
0
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
(*) Input Default
Phase DelayTruth Table
L6238S
7/31
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