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| 型号： | A3941KLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 4/21页 |
| 文件大小： | 0K |
| 描述： | IC MOSFET FULL BRDG AUTO 28TSSOP |
| 标准包装： | 1 |
| 配置： | 半桥 |
| 输入类型： | PWM |
| 延迟时间： | 90ns |
| 配置数： | 1 |
| 输出数： | 4 |
| 电源电压： | 5.5 V ~ 50 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： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1236-6 |
A3941
Automotive Full Bridge MOSFET Driver
ELECTRICAL CHARACTERISTICS valid at T J = –40°C to 150°C, V BB = 7 to 50 V, unless noted otherwise
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply and Reference
Load Supply Voltage Functional
Operating Range 1
V BB
5.5
–
50
V
Load Supply Quiescent Current
VREG Output Voltage
V5 Output Voltage
V5 Line Regulation
V5 Load Regulation
V5 Short-Circuit Current
Bootstrap Diode Forward Voltage
Bootstrap Diode Resistance
Bootstrap Diode Current Limit
Top-off Charge Pump Current Limit
High-Side Gate Drive Static Load Resistance
I BBQ
I BBS
V REG
V 5(out)
V 5(line)
V 5(load)
I 5M
V fBOOT
r D
I DBOOT
I TOCPM
R GSH
RESET = high, outputs = low, V BB = 12 V
RESET = low, Sleep mode, V BB = 12 V
V BB > 9 V, I REG = 0 to 10 mA
7.5 V < V BB ≤ 9 V, I REG = 0 to 7 mA
6 V < V BB ≤ 7.5 V, I REG = 0 to 7 mA
5.5 V < V BB ≤ 6 V, I REG < 5.5 mA
No load
I 5 = –2 mA
I 5 = 0 to –2 mA
V BB = 40 V, V 5 = 0 V
I D = 10 mA
I D = 100 mA
r D(100mA) =
(V fBOOT(150mA) – V fBOOT(50mA) ) / 100 mA
–
–
12.5
12.5
2×V BB
– 2.5
8.5
4.5
–
–
–
0.4
1.5
6
250
–
250
10
–
13
13
–
9.5
5
15
50
28
0.7
2.2
10
500
400
–
14
10
13.75
13.75
–
–
5.5
40
100
35
1.0
2.8
20
750
–
–
mA
μ A
V
V
V
V
V
mV
mV
mA
V
V
Ω
mA
μ A
k Ω
Gate Output Drive
Turn-On Time
Turn-Off Time
Pullup On Resistance
Pulldown On Resistance
GHx Output Voltage
GLx Output Voltage
Turn-Off Propagation Delay 2
Turn-On Propagation Delay 2
Propagation Delay Matching, Phase-to-Phase
Propagation Delay Matching, On-to-Off
Dead Time 2
t r
t f
R DS(on)UP
R DS(on)DN
V GHX
V GLX
t P(off)
t P(on)
? t PP
? t OO
t DEAD
C LOAD = 1 nF, 20% to 80%
C LOAD = 1 nF, 80% to 20%
T J = 25°C, I GHx = –150 mA
T J = 150°C, I GHx = –150 mA
T J = 25°C, I GLx = 150 mA
T J = 150°C, I GLx = 150 mA
Bootstrap capacitor fully charged
Input change to unloaded gate output
change
Input change to unloaded gate output
change
Measured between corresponding
transition points on both phases
Measured across one phase
R DEAD = 3 k Ω
R DEAD = 30 k Ω
R DEAD = 240 k Ω
RDEAD tied to V5
–
–
6
10
2
3
V Cx
– 0.2
V REG
– 0.2
60
60
–
–
–
815
–
–
35
20
8
13
3
4.5
–
–
90
90
10
10
180
960
3.5
6
–
–
12
16
4
6
–
–
150
150
–
–
–
1110
–
–
ns
ns
Ω
Ω
Ω
Ω
V
V
ns
ns
ns
ns
ns
ns
μ s
μ s
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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