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參數資料
| 型號： | L6271 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數： | 5/10頁 |
| 文件大?。?/td> | 72K |
| 代理商： | L6271 |
ELECTRICAL CHARACTERISTICS (All the following parameters are specified @ 27
°C and V512 =
12V, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V512
Main power supply
4.5
13.2
V
HVP
(1)
Output positive Voltage
Double Supply Voltage
25
40
V
Single Supply Voltage V512
≥ 8
Single Supply Voltage V512
≤ 8
30
25
80
40
V
HVM
Output negative voltage
-40
-25
V
HVripple
HVP, HVM ripple
External filter cap. 100nF
Bang-Bang Mode
Linear Mode
2.5
0.8
V
DC-DC gain
Ratio of HVP and DC-DC ref.
voltage PIN15
19
20
21
I, hvp
Output current (see figure 1a)
I, hvm
Top
Time to operating condition
5
ms
Fswitch
(2)
Switching Frequency
80
550
kHz
Rds, on
Boost transistor ON resistance
4
Iboost
Boost transistor current limiting
700
mA
CP-slope
Charge Pump Slope
150
V/
s
Isleep
Total current in sleep mode
1
mA
Vref
Reference voltage at PIN13
2.4
2.5
2.6
V
Ivref
Reference voltage output
current
-1
1
mA
Vref, cap
Filter capacitor at PIN13
10
100
nF
Iref, res
Resistor at PIN14 for precise
internal current (100
A)
25
k
Vsup
Minimum OpAmp supply
Voltage (HVP if externally
given)
Double Supply
V512
+4
V
Single Supply
V512
+4
V
DC gain
OpAmp DC gain
130
dB
GBW
OpAmp Gain Bandwidth
product
Cload 0.4nF to 24nF
Double Supply Voltage
500
KHz
DCinp
OpAmp Input dynamic voltage
Double supply
-5
5
V
Single supply
1.2
10
V
DC-DC
OFF
DC-DC Converter switched-off
when DC
2REF voltage lower
than
0.6
V
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V512
Supply voltage pin 20 referred to Ground
14
V
HVP
Positive high voltage referred to HVM
84
V
HVM
Negative high voltage referred to Ground
-42
V
IN A&B
Amplifier input voltage common mode
±6V
Vin o to 5
Level shifts input voltage
-0.5 to +5.5
V
Tamb
Operative Ambient Temperature
-20 to +80
°C
Tstg
Storage Temperature
-40 to +125
°C
All the voltage value are referred to ground.
L6270 - L6271
4/10
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