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A3938SLD PDF预览

A3938SLD

更新时间: 2024-02-27 22:53:16
品牌 Logo 应用领域
急速微 - ALLEGRO 运动控制电子器件信号电路光电二极管电动机控制控制器
页数 文件大小 规格书
11页 399K
描述
Three-Phase Power MOSFET Controller

A3938SLD 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SSOP, SOP36,.4,32
针数:36Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.73模拟集成电路 - 其他类型:BRUSHLESS DC MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G36长度:15.3 mm
功能数量:1端子数量:36
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SOP36,.4,32封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH电源:18/50 V
认证状态:Not Qualified座面最大高度:2.64 mm
子类别:Motion Control Electronics最大供电电流 (Isup):8 mA
最大供电电压 (Vsup):50 V最小供电电压 (Vsup):18 V
表面贴装:YES温度等级:OTHER
端子形式:GULL WING端子节距:0.8 mm
端子位置:DUAL宽度:7.5 mm
Base Number Matches:1

A3938SLD 数据手册

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A3938  
Three-Phase Power MOSFET Controller  
ELECTRICAL CHARACTERISTICS1,2 (continued) Unless otherwise noted: TA = 25°C, VBB = 18 V to 50 V, CLCAP =0.1µF,  
CBOOT =0.1µF, CVREG =10µF, PWM=22.5kHz, square wave, two phases active  
Characteristics  
Bootstrap Capacitor  
Symbol  
Test Conditions  
Min.  
Typ.1  
Max.  
Units  
Bootstrap Capacitor Voltage  
Bootstrap ROUT  
VCX  
RCX  
ICX  
Icx = 0, Vsx = 0, Vreg = 13 V  
10.4  
11.6  
9
12.8  
12  
V
Icx = –50 mA  
Charge Current (Source)  
Current Limit Circuitry  
Input Offset Voltage  
100  
mA  
VIO  
IB  
0 V < Vcmr < 1.5 V  
–25  
0
± 5  
mV  
µA  
µA  
µs  
mA  
V
Input Current , Sense pin  
Input Current , Reference pin  
Blank Time  
0 V < Vcm, Vdiff < 1.5 V  
0 V < Vcm, Vdiff < 1.5 V  
R = 56 k, C = 470 pF  
IB  
tBLANK  
IRC  
0.91  
–1  
RC Charge Current  
–0.9  
1.0  
2.7  
–1.1  
1.2  
3.3  
VRCL  
VRCH  
1.1  
3.0  
RC Voltage Threshold  
V
Protection Circuitry  
Bootstrap Charge Threshold  
Short to Ground, Drain-Source Monitor  
Icx  
GHx turns on, and GLx turns off, at Icx  
VBB – VSX, high side on  
VREG increasing  
1.3  
9.2  
8.6  
–9  
2.7  
10.2  
9.6  
0.5  
mA  
V
Vdsh  
2.0  
9.7  
9.1  
V
VREG Undervoltage Threshold  
UVLO  
VREG decreasing  
V
Fault Output Voltage  
IOL = 1 mA  
V
VOUT  
Brake Capacitor Supply Current  
Low Side Gate Voltage  
IBRAKE  
VBB = 8 V, BRKSEL = 1  
VBB=0, BRKCAP = 8V  
30  
µA  
V
VGLBH  
TJ  
6.6  
165  
10  
Thermal Shutdown Temperature  
Thermal Shutdown Hysteresis  
°C  
°C  
TJ  
1Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for  
individual units, within the specied maximum and minimum limits.  
2Negative current is dened as conventional current coming out of (sourced from) the specied device terminal.  
4
www.allegromicro.com  
115 Northeast Cutoff, Box 15036  
Worcester, Massachusetts 01615-0036 (508) 853-5000  

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