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| 型号： | MC34921AER2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 8/36页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRVR PWM DC DUAL 64LQFP |
| 标准包装： | 1,500 |
| 应用： | DC 电机驱动器，步进电机驱动器，H 桥式 |
| 输出数： | 2 |
| 电流 - 输出： | ±4.5A |
| 电压 - 负载： | 0 V ~ 38 V |
| 电源电压： | 4.8 V ~ 5.2 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP 裸露焊盘 |
| 供应商设备封装： | 64-LQFP EP（10x10） |
| 包装： | 带卷 (TR) |
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STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions 16 V ≤ B+ ≤ 34 V, 0 ° C ≤ T A ≤ 70 ° C, and 0 ° C ≤ T J ≤ 100 ° C unless otherwise noted.
Typical values noted reflect the approximate parameter means at T A = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
Serial Interfaces (MISO, MOSI, SCLK, CE)
Input Low Voltage from MCU
V IL
V
V 5.0 = 5.0 V, V 3.3 = 3.3 V, I IN <200 μ A, V IN Falling
Input High Voltage
V 5.0 = 5.0 V, V 3.3 = 3.3 V, I IN <200 μ A, V IN Rising
Input Hysteresis
V 5.0 = 5.0 V, V 3.3 = 3.3 V
Output High-Level, MISO (V 5.0 = 5.0 V, V 3.3 = 3.3 V)
I OUT = 150 μ A
I OUT = 20 μ A
Output Low-Level, MISO (V 5.0 = 5.0 V, V 3.3 = 3.3 V)
I OUT < 20 μ A
I OUT < 150 μ A
Input Pulldown Current
V 5.0 = 5.0 V, V 3.3 = 3.3 V, V IN = 5.0 V, Includes RST
MISO High-Impedance Current
MISO = 3.3 V or GND
V IH
V HYS
V OH (MISO)
V OL (MISO)
I PULLDOWN
I HI-Z
1.1
1.1
0.4
2.4
V 3.3 -0.1
0.0
0.0
50
-100
1.35
2.00
0.6
V 3.3 -25
mV
V 3.3 -10
mV
10
25
120
0.1
2.2
2.2
1.5
V 3.3
V 3.3
100
400
175
100
V
V
V
mV
μ A
μ A
5.0 V Linear Regulator
Logic Supply Voltage
V 5.0
V
I V5.0 = 10 mA to 50 mA, 16 V < B+ < 20 V, R EXT = 140 ?
Load Regulation
V ILOAD
4.8
5.0
5.2
mV
I LOAD = 10 mA to 50 mA
–
–
± 100
Current Limit Threshold
I LIMIT
mA
R EXT = 0 ?
75
135
600
V 5.0 to Turn On/Off V 3.3 Regulator (7)
V 5_3.3 t
–
2.2
–
V
Hysteresis for V 5_3.3 t
V 5_3.3 t _ hys
–
175
–
mV
Notes
34921
Analog Integrated Circuit Device Data
8
Freescale Semiconductor
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