参数资料
型号: A3944KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 8/31页
文件大小: 0K
描述: IC PREDRIVER MOSFET 6CH TSSOP
标准包装: 8,000
配置: 低端
输入类型: 并行/串行
延迟时间: 200ns
电流 - 峰: 50mA
配置数: 6
输出数: 6
电源电压: 6 V ~ 40 V
工作温度: -40°C ~ 150°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)
A3944
Automotive, Low Side FET Pre-Driver
ELECTRICAL CHARACTERISTICS (continued) Valid at T J = –40°C to 150°C, V DD = 3.3 V, V DR = 5 V, V BB = 6 to 40 V; unless
otherwise specified
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Serial Interface Timing
Clock High Time
Clock Low Time
CSN Set-up to SCK Low
CSN Hold after SCK High
CSN High Time
Data Out Enable Time
Data Out Disable Time
Data Out Valid Time from
Clock Falling
Data Out Hold Time from
Clock Falling
Data In Set-up Time to Clock Rising
Data In Hold Time from Clock Rising
CSN High to Output Change
t SCKH
t SCKL
t CSS
t CSHD
t CSH
t SOE
t SOD
t SOV
t SOH
t SIS
t SIH
t PCS
A in figure 2
B in figure 2
C in figure 2
D in figure 2
E in figure 2
F in figure 2
G in figure 2
H in figure 2
I in figure 2
J in figure 2
K in figure 2
50
50
30
30
300
5
15
10
200
40
30
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Chip Diagnostics Protection
VDD Undervoltage Lockout
VDD Undervoltage Lockout
Hysteresis
VREG Undervoltage Lockout
VREG Undervoltage Lockout
Hysteresis
Overtemperature Warning Threshold
Overtemperature Hysteresis
V DDUV
V DDUVhys
V REGUV
V REGUVhys
T JW
T JWhys
Decreasing V DD
Decreasing V REG
Temperature increasing
Recovery = T JW – T JWhys
2.6
50
4.5
100
145
2.75
100
4.8
200
160
15
2.9
150
5.1
300
175
V
mV
V
mV
oC
oC
*For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device terminal.
CSN
SCK
C
A
B
...
...
D
E
SI
SO
F
Z
X
J
D 1 5
D 1 5
K
I
X
D 1 4
D 1 4
X
...
...
X
D 0
D 0
X
G
Z
H
X = Don’t care, Z = High impedance (tri-state)
Figure 2. Serial Interface Timing Diagram. Letter keys refer to the Serial Interface Timing section of the Electrical
Characteristics table.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
8
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