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A3940KLP 参数 Datasheet PDF下载

A3940KLP图片预览
型号: A3940KLP
PDF下载: 下载PDF文件 查看货源
内容描述: 全桥式功率MOSFET控制器 [FULL-BRIDGE POWER MOSFET CONTROLLER]
分类和应用: 控制器
文件页数/大小: 12 页 / 633 K
品牌: ALLEGRO [ ALLEGRO MICROSYSTEMS ]
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3940  
FULL-BRIDGE POWER  
MOSFET CONTROLLER  
ELECTRICAL CHARACTERISTICS: unless otherwise noted at TA = -40°C to +135°C, TJ = -40°C to +150°C,  
VIN VBB = 7 V to 40 V, Cp = 0.47 µF, Cr = 1 µF, CREG5 = 0.1 µF, CREG13 = 10 µF, CBOOT = 0.1 µF, PWM = 22.5 kHz  
square wave.  
Limits  
Characteristics  
Power Supply  
Symbol  
Conditions  
Min  
Typ  
Max  
Units  
VBB Quiescent Current  
IBB  
RESET = 1, VBB = VIN = 40 V, VIN VCP  
coast, stopped, CP disabled, IDEAD = 170 µA  
,
4.8  
4.3  
7.0  
7.0  
mA  
mA  
mA  
mA  
mA  
mA  
RESET = 1, VBB = VIN = 15 V, VIN VCP  
coast, stopped, CP disabled, IDEAD = 170 µA  
,
RESET = 1, VBB = VIN = 40 V, VIN VCP, coast,  
stopped, IDEAD = 170 µA, ICP = 0 mA  
5.0  
7.0  
RESET = 1, VBB = VIN = 15 V, VIN VCP, coast,  
stopped, IDEAD = 170 µA, ICP = 0 mA  
4.8  
7.0  
RESET = 1, VBB = VIN = 40 V, VIN VCP, coast,  
stopped, IDEAD = 170 µA, ICP = 15 mA  
35.4  
35.1  
40.0  
40.0  
RESET = 1, VBB = VIN = 15 V, VIN VCP, coast,  
stopped, IDEAD = 170 µA, ICP = 15 mA  
RESET = 0  
4.5  
1.0  
5.5  
µA  
V
VREG5 Output Voltage  
VREG5 Line Regulation  
VREG5 Load Regulation  
VREG5 Short-Circuit Current  
VCP Output Voltage Level  
VREG5  
VREG5  
VREG5  
IREG5M  
VCP  
No load  
5.0  
5.0  
5.0  
28  
IREG5 = 4.0 mA  
mV  
mV  
mA  
V
IREG5 = 0 - 4.0 mA, VBB = 40 V  
VBB = 40 V, VREG5 = 0  
VBB = 14 - 40 V, ICP = 15 mA  
VBB = 7 V, ICP = 15 mA  
VBB+9.5 VBB+10.7 VBB+11.8  
11.7  
15  
13  
13.8  
V
VCP Gate Drive  
ICP  
VCP(PP)  
tup  
SR = 1, MODE = 0, ENABLE = PWM  
ICP = 15 mA, VBB = 14 V - 40 V  
VIN = VCP, VBB = 14 V - 40 V  
VIN = VCP, VBB = 7 V  
mA  
mV  
ms  
ms  
mA  
V
VCP Output Voltage Ripple  
VCP Pump-Up time  
500  
2.5  
3.5  
1.4  
13.3  
0.7  
2.0  
2.0  
60  
VREG13 Quiescent Input Current  
VREG13 Output Voltage  
IREG13  
VREG13  
VREGDV  
VREG13  
VREG13  
IREG13M  
tsleep  
RESET = 1, VBB = VIN = 40 V, coast, stopped  
VIN = 15 V, no load  
12.6  
14.0  
VREG13 Dropout Voltage  
VREG13 Line Regulation  
VREG13 Load Regulation  
VREG13 Short-Circuit Current  
Go-to-Sleep Response Time  
Wake-Up Response Time  
IREG13 = 15 mA, VIN = 11 V - 14 V  
VIN = 15 V - 40 V, IREG13 = 15 mA  
VIN = 40 V, IREG13 = 0 - 15 mA  
VIN = 40 V, VREG13 = 0 (pulse)  
RESET = 0 to VREG5 = 4 V  
RESET = 1 to VREG13, UV cleared  
V
mV  
mV  
mA  
µs  
10  
30  
twake  
1.4  
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  
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Worcester, Massachusetts 01615-0036 (508) 853-5000