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A3918 PDF预览

A3918

更新时间: 2024-01-09 17:51:46
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器
页数 文件大小 规格书
8页 226K
描述
Low Voltage DC Motor Driver

A3918 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVQCCN,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:1.71模拟集成电路 - 其他类型:BRUSH DC MOTOR CONTROLLER
JESD-30 代码:S-XQCC-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流:1.5 A封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
座面最大高度:0.8 mm最大供电电压 (Vsup):9 V
最小供电电压 (Vsup):2.5 V标称供电电压 (Vsup):3 V
表面贴装:YES温度等级:OTHER
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

A3918 数据手册

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Low Voltage DC Motor Driver  
A3918  
ELECTRICAL CHARACTERISTICS1,2 valid at TA = 25°C and VBB = 2.5 to 9 V, unless otherwise noted  
Characteristics  
Symbol  
Test Conditions  
Min.  
2.5  
Typ.  
Max. Units  
Operating Voltage Range  
VBB  
9
V
mA  
mA  
nA  
Ω
IOUT = 0 mA, PWM = 50 kHz, Duty Cycle = 50%  
IOUT = 0 mA, outputs disabled, VBB = 9.6 V  
Sleep mode, VIN < 0.4 V  
5
VBB Supply Current  
Output Resistance  
IBB  
3
150  
0.52  
0.78  
0.62  
0.93  
200  
500  
0.60  
Source driver, IOUT = 400 mA , VBB = 3 V, TJ = 25°C  
Source driver, IOUT = 400 mA , VBB = 3 V, TJ = 85°C  
Sink driver, IOUT = 400 mA, VBB = 3 V, TJ= 25°C  
Sink driver, IOUT = 400 mA, VBB = 3 V, TJ= 85°C  
FL falling edge  
Ω
RDS(on)  
0.74  
Ω
Ω
Current Trip Sense Voltage  
Clamp Diode Voltage  
Output Leakage Current  
Control Logic  
VSENSE  
Vf  
160  
240  
1
mV  
V
I = 400 mA  
IDSS  
Outputs, VOUT = 9 V  
–20  
20  
μA  
VIN(1)  
VIN(0)  
IIN(1)  
2.0  
5.5  
0.8  
500  
–500  
V
V
Logic Input Voltage  
VIN = 5.5 V  
VIN = 0.8 V  
<100  
<–100  
150  
nA  
nA  
mV  
V
Logic Input Current  
Input Hysteresis  
IIN(0)  
VINhys  
VSLEEP(0)  
VSLEEP(1)  
VFL  
0.4  
¯¯¯¯¯¯¯¯¯¯  
SLEEP Input  
2
V
Fault Output  
Flag asserted, IFL = 1 mA  
VFL = 5 V  
200  
1
mV  
μA  
μs  
μs  
μs  
ns  
ns  
Fault Output Leakage Current  
Fault Output Timer  
Blank Time  
IFL  
tFL  
Reset of PWM latch  
300  
3
tBLANK  
tOFF  
tpd(on)  
tpd(off)  
2.1  
3.9  
Fixed Off-Time  
30  
Input high to source on, input low to source off  
Input low to sink off, input high to sink on  
100  
50  
235  
100  
350  
200  
Propagation Delay Time  
Protection Circuitry  
Crossover Delay  
tCOD  
200  
2.2  
200  
425  
2.31  
300  
165  
15  
650  
2.45  
400  
ns  
V
VBB Undervoltage Lockout Threshold  
VBB Undervoltage Lockout Hysteresis  
Thermal Shutdown Temperature  
Thermal Shutdown Hysteresis  
VBBUVLO  
VBBUVHYS  
TJTSD  
VBB rising  
mV  
°C  
°C  
TJTSDHYS  
1For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.  
2Specifications over the operating temperature range are assured by design and characterization.  
Allegro MicroSystems, Inc.  
115 Northeast Cutoff  
3
Worcester, Massachusetts 01615-0036 U.S.A.  
1.508.853.5000; www.allegromicro.com  

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