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參數(shù)資料
| 型號(hào)： | MC34920 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | 2.8 Ohm(Typ) Quad H-Bridge Motor Driver(2.8歐（典型值）四H橋電機(jī)驅(qū)動(dòng)器) |
| 中文描述： | 2.8歐姆（典型值）四H橋電機(jī)驅(qū)動(dòng)器（2.8歐（典型值）四魔橋電機(jī)驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 6/28頁(yè) |
| 文件大小： | 813K |
| 代理商： | MC34920 |
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34920
6
Go to: www.freescale.com
STATIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 21 V
≤
V
VB+
≤
42 V, T
A
=
10
°
C to 55°C, T
J
max = 135°C, V
CC
= 5.25 V max unless otherwise
noted. Typical values noted reflect the approximate parameter mean at T
A
= 25
°
C under typical conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
POWER INPUT
V
VB+
Supply Voltage
V
VB+
21
–
42
V
V
VB+
Standby Current
V
VB+
= 42 V, I
CC
Load = 5.0 mA, No Serial Clock, No Motor Driver, No Load
on V
V2
I
VB+
1.0
14
55
mA
CMOS LOGIC LEVEL
(Note 7)
Input Current, High-Voltage State
I
IH
–
0.1
170
μ
A
Input Current, Low-Voltage State
I
IL
-170
-0.1
–
μ
A
Input Low Input Voltage State
V
CC
+ 3.3 V ±10%
V
CC
+ 5.0 V ±5%
V
IL
–
–
–
–
0.8
1.5
V
Input High-Voltage State
V
CC
+ 3.3 V ±10%
V
CC
+ 5.0 V ±5%
V
IH
2.1
3.3
–
–
–
–
V
V1 AND V2 VOLTAGE REGULATORS
Regulator Output Voltage
V
OUT
-4.0%
Nom
+4.0%
V
Regulator Thermal Shutdown Junction Temperature
T
J(SHUTDOWN)
155
–
175
o
C
Regulator Thermal Junction Temperature
T
J(ENABLE)
135
–
155
o
C
Overcurrent Detect Level (Peak) for I
V1_SWITCH
I
OC_V1
1.5
2.0
2.5
A
Overcurrent Detect Level (Peak) for I
V2_SWITCH
I
OC_V2
2.5
3.25
4.0
A
Short Circuit Detect Level (Peak) for I
V1_SWITCH
In Soft Start and Foldback Modes
I
SC_V1
0.75
1.25
1.75
A
Short Circuit Detect Level (Peak) for I
V2_SWITCH
In Soft Start and Foldback Modes
I
SC_V2
1.75
2.25
2.75
A
V1 Switching MOSFET on Resistance
Full On, Typical Value @ T
J
= 25°C
R
DS(ON)V1
–
2.0
–
V2 Switching MOSFET on Resistance
Full On, Typical Value @ T
J
= 25°C
R
DS(ON)V2
–
0.75
–
Regulator Feedback Input
Internal Reference Value of 2.50 V ±2%
V
V1_FB
,
V
V2_FB
–
2.5
–
V
Turn-Off Regulator
V
V1
Output/V
V2
Output = 0 V
Voff
V1_FB
,
Voff
V2_FB
3.0
–
–
V
Notes
7.
Applicable to all logic level input signals. Inputs are to be designed to accept 3.3 V logic levels and be +5.0 V tolerant.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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