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參數(shù)資料
| 型號(hào)： | 33887 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 5.0 A H-Bridge with Load Current Feedback |
| 中文描述： | 5.0的H -橋的負(fù)載電流反饋 |
| 文件頁數(shù)： | 9/28頁 |
| 文件大?。?/td> | 485K |
| 代理商： | 33887 |
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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 17)
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) on
Low-Side MOSFETs
(Note 18)
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 MOSFET 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
1.68
4.62
9.24
18.48
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
17.
18.
19.
20.
21.
22.
Output-ON resistance as measured from output to V+ and ground.
Active current limitation applies only for the low-side MOSFETs.
Outputs switched OFF with D1 or
D2
.
Fault Status output is an open Drain output requiring a pullup 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.
For More Information On This Product,
Go to: www.freescale.com
n
.
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