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MC34921AE データシート(PDF) 9 Page - List of Unclassifed Manufacturers

部品番号 MC34921AE
部品情報  Configurable Motor Driver IC with Power Supplies
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MC34921AE データシート(HTML) 9 Page - List of Unclassifed Manufacturers

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Analog Integrated Circuit Device Data
Freescale Semiconductor
9
34921
STATIC ELECTRICAL CHARACTERISTICS
5.0 V Switching Regulator
Vreg Threshold
V5.0
4.8
5.0
5.2
V
Cycle-by-Cycle Current Limit Threshold
V5.0 = 2.0 V to Max
V5.0 ≤ 1.0 V
ILIMIT
0.75
1.2
1.0
2.25
A
V5.0 to Turn On/Off V3.3 Regulator
(8)
V5_3.3t
–2.2
V
Hysteresis for V5_3.3t
(8)
V5_3.3t_hys
175
mV
3.3 V Switching Regulator
Vreg Threshold
V3.3
3.15
3.28
3.45
V
Cycle-by-Cycle Current Limit Threshold
V3.3 = 2.0 V to Max
V3.3 ≤ 1.0 V
ILIMIT
2.75
3.6
3.5
5.5
A
VCORE 3.3V Linear Regulator
Voltage Tolerance
ICORE = 0.02 A to 0.3 A, VNOM =2.5 V
ICORE = 0.02 A to 0.3 A, VNOM =1.8 V
ICORE 0 0.02 A to 0.3 A, VNOM =1.5 V
VCORE_TOL
2.35
1.675
1.4
2.49
1.78
1.49
2.66
1.925
1.6
V
Load Regulation
ILOAD =20mA to 300mA
VILOAD
±10
±100
mV
Current Limit Threshold
ILIMIT
400
750
1200
mA
Motor Drivers in DC Mode
Motor Driver A High- or Low-Side Switch Voltage Drop
IPWM = 1.7 A, GND or B+ to Output
VDROP(A)
–.65
1.5
V
Motor Driver A Output Current Limit
ILIMIT(A)
3.6
4.9
7.2
A
Motor Driver B High- or Low-Side Switch Voltage Drop
IPWM = 2.0 A, GND or B+ to Output
VDROP(B)
–.70
1.4
V
Motor Driver B Output Current Limit
ILIMIT(B)
2.8
4.9
7.2
A
Motor Driver C High- or Low-Side Switch Voltage Drop
IPWM = 0.375 A, GND or B+ to Output
VDROP(C)
–.75
1.5
V
Motor Driver C Current Limit—Top Side
ILIMIT1(C)
0.75
1.2
1.5
A
Motor Driver C Current Limit—Bottom Side
ILIMIT2(C)
1.0
1.65
2.0
A
Notes
8.
See Figure 9, Power-Up Sequencing, page 21.
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions 16 V B+ 34 V, 0
°C TA 70°C, and 0°C TJ 100°C unless otherwise noted.
Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit


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同様の説明 - MC34921AE

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