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参数资料
| 型号： | A3940KLWTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR MOSFET FULL 28-SOIC |
| 标准包装： | 1,000 |
| 配置： | 半桥 |
| 输入类型： | 非反相 |
| 延迟时间： | 225ns |
| 电流 - 峰： | 700mA |
| 配置数： | 1 |
| 输出数： | 4 |
| 电源电压： | 7 V ~ 40 V |
| 工作温度： | -40°C ~ 135°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 带卷 (TR) |
3940
FULL-BRIDGE POWER
MOSFET CONTROLLER
ELECTRICAL CHARACTERISTICS: unless otherwise noted at T A = -40°C to +135°C, T J = -40°C to +150°C,
V IN ≤ V BB = 7 V to 40 V, C p = 0.47 μF, C r = 1 μF, C REG5 = 0.1 μF, C REG13 = 10 μF, C BOOT = 0.1 μF, PWM = 22.5 kHz
square wave.
Characteristics
Symbol
Conditions
Min
Limits
Typ Max
Units
Power Supply
V BB Quiescent Current
I BB
RESET = 1, V BB = V IN = 40 V, V IN ≠ V CP ,
–
4.8
7.0
mA
coast, stopped, CP disabled, I DEAD = 170 μA
RESET = 1, V BB = V IN = 15 V, V IN ≠ V CP ,
–
4.3
7.0
mA
coast, stopped, CP disabled, I DEAD = 170 μA
RESET = 1, V BB = V IN = 40 V, V IN ≠ V CP , coast,
–
5.0
7.0
mA
stopped, I DEAD = 170 μA, I CP = 0 mA
RESET = 1, V BB = V IN = 15 V, V IN ≠ V CP , coast,
–
4.8
7.0
mA
stopped, I DEAD = 170 μA, I CP = 0 mA
RESET = 1, V BB = V IN = 40 V, V IN ≠ V CP , coast,
–
35.4
40.0
mA
stopped, I DEAD = 170 μA, I CP = 15 mA
RESET = 1, V BB = V IN = 15 V, V IN ≠ V CP , coast,
–
35.1
40.0
mA
stopped, I DEAD = 170 μA, I CP = 15 mA
RESET = 0
–
–
1.0
μA
VREG5 Output Voltage
VREG5 Line Regulation
VREG5 Load Regulation
VREG5 Short-Circuit Current
V REG5
V REG5
V REG5
I REG5M
No load
I REG5 = 4.0 mA
I REG5 = 0 - 4.0 mA, V BB = 40 V
V BB = 40 V, V REG5 = 0
4.5
–
–
–
5.0
5.0
5.0
28
5.5
–
–
–
V
mV
mV
mA
VCP Output Voltage Level
V CP
V BB = 14 - 40 V, I CP = 15 mA
V BB +9.5 V BB +10.7 V BB +11.8
V
V BB = 7 V, I CP = 15 mA
11.7
13
13.8
V
VCP Gate Drive
VCP Output Voltage Ripple
VCP Pump-Up time
VREG13 Quiescent Input Current
VREG13 Output Voltage
VREG13 Dropout Voltage
VREG13 Line Regulation
VREG13 Load Regulation
VREG13 Short-Circuit Current
Go-to-Sleep Response Time
Wake-Up Response Time
I CP
V CP(PP)
t up
I REG13
V REG13
V REGDV
V REG13
V REG13
I REG13M
t sleep
t wake
SR = 1, MODE = 0, ENABLE = PWM
I CP = 15 mA, V BB = 14 V - 40 V
V IN = V CP , V BB = 14 V - 40 V
V IN = V CP , V BB = 7 V
RESET = 1, V BB = V IN = 40 V, coast, stopped
V IN = 15 V, no load
I REG13 = 15 mA, V IN = 11 V - 14 V
V IN = 15 V - 40 V, I REG13 = 15 mA
V IN = 40 V, I REG13 = 0 - 15 mA
V IN = 40 V, V REG13 = 0 (pulse)
RESET = 0 to V REG5 = 4 V
RESET = 1 to V REG13 , UV cleared
15
–
–
–
–
12.6
–
–
–
–
10
–
–
500
2.5
3.5
1.4
13.3
0.7
2.0
2.0
60
30
1.4
–
–
–
–
–
14.0
–
–
–
–
–
–
mA
mV
ms
ms
mA
V
V
mV
mV
mA
μs
ms
NOTES: Typical Data is for design information only.
Negative current is defined as coming out of (sourcing) the specified device terminal.
Continued next page …
115 Northeast Cutoff, Box 15036
4
Worcester, Massachusetts 01615-0036 (508) 853-5000
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