参数资料
型号: A4941GLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/9页
文件大小: 0K
描述: IC MOTOR DRIVER 3PH 16-TSSOP
标准包装: 1
系列: *
应用: *
输出数: *
电流 - 输出: *
电压 - 负载: *
电源电压: *
工作温度: *
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 16-TSSOP-EP
包装: 标准包装
其它名称: 620-1357-6
A4941
Three-Phase Sensorless Fan Driver
ELECTRICAL CHARACTERISTICS Valid at T J = –40 to 105°C, V BB = 5 to 16 V*; unless otherwise noted
Characteristics
VBB Supply Current
Total Driver R DS(on) (Sink + Source)
Overcurrent Threshold
PWM Low Level
PWM High Level
Input Hysteresis
Logic Input Current
Output Saturation Voltage
FG Output Leakage
Symbol
I BB
I BBST
R DS(on)
V OCL
V IL
V IH
V HYS
I IN
V SAT
I FG
Test Conditions
Standby mode, PWM = 0 V, SLEW = FC = O/C
I = 800 mA, T J = 25°C
PWM, V IN = 0 V
SLEW, V IN = 0 V
FC, V IN = 0 V
I = 5 mA
V = 16 V
Min.
180
2
–25
–70
–30
Typ.
2.5
25
800
200
300
–15
–50
–15
Max.
5
50
1200
220
0.8
600
–5
–20
–5
0.3
1
Unit
mA
μ A
m Ω
mV
V
V
mV
μ A
μ A
μ A
V
μ A
Protection Circuitry
Lock Protection
t on
t off
1.6
4
2
5
2.4
6
s
s
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
VBB Undervoltage Lockout (UVLO)
T JTSD
T JHYS
V UVLO
Temperature increasing
Recovery = T JTSD – ? T J
V BB rising
150
165
15
4.3
180
4.7
°C
°C
V
*For the A4941GLPTR-T the electrical test is performed at 12 V only and characterized across the voltage range.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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