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參數資料
| 型號： | 33981 |
| 廠商： | Motorola, Inc. |
| 英文描述： | High-Frequency, High-Current, Self-Protected High-Side Switch (4.0 mз up to 60 kHz) |
| 中文描述： | 高頻率，大電流，自我保護的高邊開關（4.0mз至60千赫） |
| 文件頁數： | 9/24頁 |
| 文件大?。?/td> | 469K |
| 代理商： | 33981 |
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33981
9
Table 1. Functional Truth Table in Normal Mode
Condition
CONF
INHS
INLS
OUT
GLS
FS
EN
Comments
Sleep
x
x
x
x
x
H
L
Device is in Sleep mode. The OUT and
low-side gate are OFF.
Normal
L
H
H
H
H
H
H
Normal mode. High side and low side are
controlled independently. The high side
and the low side are both on.
Normal
L
L
L
L
L
H
H
Normal mode. High side and low side are
controlled independently. The high side
and the low side are both off.
Normal
H
L
H
L
H
H
H
Normal mode. No cross-conduction. Half-
bridge configuration. The high side is off
and the low side is on.
Normal
H
H
L
H
L
H
H
Normal mode. No cross-conduction. Half-
bridge configuration. The high side is on
and the low side is off.
Normal
H
PWM
H
PWM
PWM
OR
H
(Logical
OR)
H
H
Normal mode. Cross-conduction
management is activated. Half-bridge
configuration.
H = High level
L = Low level
x = Don’t care
PWM = Pulse-width modulation
Table 2. Functional Truth Table in Fault Mode
Conditions
CONF
INHS
INLS
OUT
GLS
FS
EN
TEMP CSNS OCLS
Comments
Overtemperature
on OUT
x
x
x
L
x
L
H
L
x
x
The 33981 is currently in fault mode. The
OUT is OFF. TEMP at 0 V indicates this
fault. Once the fault is removed 33981
recovers its normal mode.
Overtemperature
on C
BOOT
or GLS
x
x
x
L
L
L
H
L
x
x
The 33981 is currently in fault mode. The
OUT
is OFF and GLS is at 0 V. TEMP at
0 V indicates this fault. Once the fault is
removed 33981 recovers its normal mode.
Overcurrent
on OUT
x
H
x
L
x
L
H
x
L
x
The 33981 is currently in fault mode. The
OUT is OFF. It is reset by a logic [0] at
INHS for at least 200
μ
s. When INHS goes
to 0 V, CSNS goes to 5.0 V.
Overload
on External Low-
Side MOSFET
L
x
H
x
L
L
H
x
x
L
The 33981 is currently in fault mode. GLS
is at 0 V and OCLS internal current source
is off. The external resistance connected
between OCLS and GND terminal will pull
OCLS terminal to 0 V. The fault is reset by
a logic [0] at
INLS for at least 200
μ
s.
H = High level
L = Low level
x = Don’t care
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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| 33-981 | 制造商:Ideal Industries Inc 功能描述:SIGNALTEK-FO/850 US |
| 33981_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Single High Side Switch |
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