参数资料
型号: A3980KLPTR
厂商: Allegro Microsystems Inc
文件页数: 5/19页
文件大小: 0K
描述: IC DRIVER MICROSTEPPING 28-TSSOP
标准包装: 4,000
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ± 1A
电压 - 负载: 7 V ~ 50 V
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
A3980
Automotive DMOS Microstepping Driver
with Translator
ELECTRICAL CHARACTERISTICS at T J = –40°C to +150oC, V BB = 14 V, V DD = 3.0 to 5.5 V (unless otherwise noted)
Characteristics
Symbol
Test Conditions
Min.
Typ. 1
Max.
Units
Output Drivers
Load Supply Voltage Range
V BB
Driving
Operating
8
7
V OVB
50
V
Sleep mode
0
35
Output Leakage Current 2
Output-On Resistance
Body Diode Forward Voltage
Motor Supply Current
I DSS
R DSON
V F
I BB
V OUT = V BB
V OUT = 0 V
Source driver, I OUT = –1 A, T A < 25oC
Sink driver, I OUT = 1 A, T A < 25oC
Source driver, I OUT = –1 A, T A < 125oC
Sink driver, I OUT = 1 A, T A < 125oC
Source diode, I F = –1 A
Sink diode, I F = 1 A
f PWM < 50 kHz
Operating, outputs disabled
< 1.0
< 1.0
0.51
0.45
0.87
0.72
20
–20
0.86
0.65
1.06
0.83
1.4
1.4
8
6
μ A
?
?
V
mA
mA
Sleep mode
20
μ A
Logic Supply Current
I DD
f PWM < 50 kHz
Outputs off
12
10
mA
mA
Logic Interface
Sleep mode
20
μ A
Logic Supply Voltage Range
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Current 2
Output Low Voltage
Output High Voltage
STEP Pin Low
STEP Pin High
Setup Time for Input Change to STEP
Hold Time for Input Change from STEP
Wake-Up Time from SLEEP
V DD
V IL
V IH
V IHYS
I IN
V OL
V OH
t STPL
t STPH
t SU
t H
t EN
Operating
I O = 3 mA
I O = –200 μ A
MS1, MS2, DIR
MS1, MS2, DIR
3.0
0.7 V DD
200
–20
2.8
1
1
200
200
5.0
300
< ±1
5.5
0.3 V DD
500
20
0.4
1
V
V
V
mV
μ A
V
V
μ s
μ s
ns
ns
ms
Continued on next page
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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