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參數(shù)資料
| 型號： | L6280 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 4.4 A, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 21/26頁 |
| 文件大?。?/td> | 8983K |
| 代理商： | L6280 |
ELECTRICAL CHARACTERISTICS (VS = 20V; Tj = 25°C; VSS = 5V; VDHS =15V; RO =165K
;
CO =680pF; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
IDSS
Leakage Current
Fig. 1 VDS = 60V
2
mA
Vs
Power Supply Voltage
Note 1,2
>VPF
48
V
VINL
Low Level Input Voltage
-0.3
1.35
V
IINL
Low Level Input Current
-10
A
VINH
High Level Input Voltage
3.15
VSS
V
IINH
High Level Input Current
10
A
VROUT
Low Level Reset Out
I16 = 1.5mA
0.8
V
VPF
Power Supply Fail Voltage
(Fig. 2)
13
V
IS
Quiescent Supply Current
VS = 12V
4.5
6
7.5
mA
VSS
Logic Supply Voltage
4.75
5
5.25
V
ISS(IN)
Logic Supply Current
4.5
6
7.5
mA
ISS(OUT)
SMPS Out Current Range
Note 3
800
mA
fosc
Oscillator Frequency
64
80
96
KHz
f1
SMPS and CH3 Frequency
fosc
KHz
f1max
Max SMPS Switching Frequency
120
KHz
f2
PWM Frequency
fosc/2
KHz
f3
High Side Driver Switching
Frequency
fosc/4
KHz
TSD
Thermal Shutdown
125
150
°C
tWD
Monostable Watchdog Time
CWD = 0.22
F (Note 4)
6.6
ms
tD
Reset Delay Time
CD = 0.22
F; Fig.2 (Note 5)
15.4
ms
RON
ON State Drain Resistance
Transistor LSD CH1 - CH2
HSD CH1 - CH2
LSD CH3
HSD CH3
SMPS
Fig 3; 4ab
2
1.1
0.5
1
2.4
1.4
0.8
1.2
SENSE
Internal Sense LOW-Pass Filter
300
500
ns
Vref
DAC Reference Voltage
D0=D1=D2 =1 (Table 1)
1
V
DAC
DAC Resolution (3 Bit)
(See Table 1)
Vref/8
V
tC
Discarge Time of Cosc
Capacitor (Minimum TON)
(Note 6)
0.4
s
VDHS
HSD Gates Voltage Drive
13
15
17
V
IDHS
Pin 13 Overage Input Current
3
mA
ISS (OUT) max
SMPS Overload Protection
Current
1.2
A
VDLS
Pin 21 Overage Input Voltage
12
V
VSSF
Logic VSS Fail Threshold Voltage
(Fig. 2)
2.6
4.1
V
VFHSD (1;2)
Internal Clamp Diode Forward
Voltage CH1/CH2
@ IDS = 0.4A (Fig. 5)
1.2
V
VFLSD
(1AB;2AB)
Internal Clamp Diode Forward
Voltage CH1/CH2
@ IDS = 0.4A (Fig. 5)
1.4
V
VFHSD
Internal Clamp Diode Forward
Voltage CH3
@ IDS = 1A (Fig. 5)
1.1
V
L6280
4/26
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