参数资料
型号: A3977SLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 6/19页
文件大小: 0K
描述: IC MOTOR DRVR PWM DUAL 28TSSOP
标准包装: 1
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±2.5A
电压 - 负载: 8 V ~ 35 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°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: 标准包装
产品目录页面: 1140 (CN2011-ZH PDF)
其它名称: 620-1147-6
A3977
Microstepping DMOS Driver with Translator
ELECTRICAL CHARACTERISTICS (continued) at T A = +25°C, V BB = 35 V, V DD = 3.0 V to 5.5V (unless otherwise noted)
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers (continued)
Thermal Shutdown Temp.
Thermal Shutdown Hysteresis
TJ
? TJ
165
15
°C
°C
UVLO Enable Threshold
UVLO Hysteresis
Logic Supply Current
VUVLO
? VUVLO
IDD
Increasing VDD
fPWM < 50 kHz
Outputs off
Sleep mode
2.45
0.05
2.7
0.10
2.95
12
10
20
V
V
mA
mA
μ A
* Operation at a step frequency greater than the speci ? ed minimum value is possible but not warranteed.
NOTES:
1. Typical Data is for design information only.
2. Negative current is de ? ned as coming out of (sourcing) the speci ? ed device terminal.
3. EG = ([VREF/8] – VSENSE)/(VREF/8)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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