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參數(shù)資料
| 型號(hào)： | MC33887 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | 5.0 A H-Bridge with Load Current Feedback(帶本地電流反饋功能的5.0A H橋接器) |
| 中文描述： | 5.0的H -橋的負(fù)載電流反饋（帶本地電流反饋功能的5.0AH橋接器） |
| 文件頁數(shù)： | 9/28頁 |
| 文件大?。?/td> | 760K |
| 代理商： | MC33887 |
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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33887
9
STATIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions 5.0 V
≤
V+
≤
28 V and -40
°
C
≤
T
A
≤
125
°
C unless otherwise noted. Typical values noted reflect
the approximate parameter mean at T
A
= 25
°
C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
POWER OUTPUTS (OUT1, OUT2)
Output-ON Resistance (Note 18)
5.0 V
≤
V+
≤
28 V, T
J
= 25°C
8.0 V
≤
V+
≤
28 V, T
J
= 150°C
5.0 V
≤
V+
≤
8.0 V, T
J
= 150°C
R
DS(ON)
–
–
–
120
–
–
–
225
300
m
Active Current Limiting Threshold (via Internal Constant OFF-Time PWM)
I
LIM
5.2
6.5
7.8
A
High-Side Short Circuit Detection Threshold
I
SCH
11
–
–
A
Low-Side Short Circuit Detection Threshold
I
SCL
8.0
–
–
A
Leakage Current (Note 19)
V
OUT
= V+
V
OUT
=Ground
I
OUT(
leak
)
–
–
100
30
200
60
μ
A
Output FET Body Diode Forward Voltage Drop
I
OUT
= 3.0 A
V
F
–
–
2.0
V
Overtemperature Shutdown
Thermal Limit
Hysteresis
T
LIM
T
HYS
175
10
–
–
225
30
°C
HIGH-SIDE CURRENT SENSE FEEDBACK
Feedback Current
I
OUT
= 0 mA
I
OUT
= 500 mA
I
OUT
= 1.5 A
I
OUT
= 3.0 A
I
OUT
= 6.0 A
I
FB
–
1.07
3.6
7.2
14.4
–
1.33
4.0
8.0
16
600
1.60
4.4
8.8
17.6
μ
A
mA
mA
mA
mA
FAULT STATUS
(Note 20)
Fault Status Leakage Current (Note 21)
V
FS
= 5.0 V
I
FS
(
leak
)
–
–
10
μ
A
Fault Status SET Voltage (Note 22)
I
FS
= 300
μ
A
V
FS
(LOW)
–
–
1.0
V
Notes
18.
19.
20.
21.
22.
Output-ON resistance as measured from output to V+ and ground.
Outputs switched OFF with D1 or
D2
.
Fault Status output is an open Drain output requiring a pull-up resistor to 5.0 V.
Fault Status Leakage Current is measured with Fault Status HIGH and
not
SET.
Fault Status Set Voltage is measured with Fault Status LOW and SET with I
FS
= 300
μ
A.
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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