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34920 参数 Datasheet PDF下载

34920图片预览
型号: 34920
PDF下载: 下载PDF文件 查看货源
内容描述: 2.8欧姆(典型值)的四H桥电机驱动器 [2.8 ohm (Typ) Quad H-Bridge Motor Driver]
分类和应用: 驱动器电机
文件页数/大小: 29 页 / 789 K
品牌: FREESCALE [ Freescale ]
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ELECTRICAL CHARACTERISTICS  
STATIC ELECTRICAL CHARACTERISTICS  
Table 3. Static Electrical Characteristics (continued)  
Characteristics noted under conditions 21 V VVB+ 42 V, TA = 10°C to 55°C, TJ max = 135°C, VCC = 5.25 V max unless  
otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under typical conditions unless  
otherwise noted.  
Characteristic  
Symbol  
Min  
Typ  
Max  
4.0  
Unit  
Differential DC Motor Driver Output Voltage  
V
V
DCMD  
V
+ Rising Monotonically from 0 V to 42 V (1.0 µs < t < 10 ms)  
R
VB+  
OR  
V
Falling Monotonically from 42 V to 0 V (1.0 µs < t < 10 ms)  
F
VB+  
DC Motor Driver Thermal Shutdown Output Voltage  
= 0.1 V  
V
V
OH_DCM  
I
V
-
OH  
VB+  
0.5 V  
oC  
oC  
DC Motor Driver Thermal Shutdown Junction Temperature  
DC Motor Driver Thermal Enable Junction Temperature  
Equivalent Resistance  
T
155  
175  
155  
J(SHUTDOWN)  
T
135  
J(ENABLE)  
R
DS(ON)  
Using 2 H-Bridges in Parallel, Nom Value @ T = 25°C  
J
0.73  
RESET  
RESET High-State Output Voltage  
V
V
V
V
OH  
I
= -0.1 mA  
V
- 0.5 V  
OH  
CC  
RESET Low-State Output Voltage  
< V  
V
OL  
V
0.2  
V1_FB  
V1T+  
Input Low Voltage State  
V
IL  
V
V
+ 3.3 V ±10%  
+ 5.0 V ±5%  
0.8  
1.5  
CC  
CC  
Input High-Voltage State  
V
V
IH  
V
V
+ 3.3 V ±10%  
+ 5.0 V ±5%  
2.1  
3.3  
CC  
CC  
RESET V  
Low Threshold  
V
V
V
V
V
V1_FB  
V1T  
-
Voltage at V1_FB  
1.9  
2.08  
2.23  
15.4  
16.6  
2.2  
2.35  
16.5  
20  
RESET V  
High Threshold  
V
V1_FB  
V1T+  
Voltage at V1_FB  
2.05  
13.5  
13.5  
RESET V  
Low Threshold  
VVB+T  
VB+  
VB+  
-
VB+  
RESET V  
VB+  
High Threshold  
VVB+T+  
34920  
Analog Integrated Circuit Device Data  
Freescale Semiconductor  
8
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