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參數(shù)資料
| 型號： | MC33286 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Dual High Side Driver(雙高端驅(qū)動器) |
| 中文描述： | 雙通道高側(cè)驅(qū)動器（雙高端驅(qū)動器） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 320K |
| 代理商： | MC33286 |
MC33286
PIN FUNCTION DESCRIPTION
For More Information On This Product,
Go to: www.freescale.com
4
Pin No.
Name/Function
Description
1, 2, 5, 6, 15, 16, 19, 20
V
bat
Supply Voltage
These are the power supply pins of the device. These pins are
directly connected with the lead frame of the package and are tied to
the drain of the switching MOSFET. These pins can be directly
connected to the battery voltage. In addition to their supply functions,
these pins participate to the thermal behaviour of the device in
conducting the heat from the switching MOSFET to the printed circuit
board.
3, 4, 18, 17
OUT1
OUTPUT Channel 1
OUT 2
OUTPUT Channel 2
Pins 3 and 4 are the output 1 terminals. Pins 17 and 18 are the output 2
terminals. They are directly connected to the source of the power
MOSFET. The Rdson is 35m
max per output at 25
°
C. Its value
increases up to 50m
at 150
°
C junction temperature.
8, 13
IN 1
INPUT Channel 1
IN 2
INPUT Channel 2
These are the device input pins, which directly control their
associated output. The thresholds are CMOS compatible. When the
input is in low state, the associated output MOSFET is off. When
input is high, the MOSFET is turned on and the load is activated.
When both inputs are low, the device is in standby mode and its
supply current is less than 1mA for V
bat
up to 12V.
9, 12
St1
Status for Channel 1
St2
Status for Channel 2
These pins are the channel 1 and 2 status. Their internal structure is
an open drain with an internal clamp at 6V. An external pull up
connected to the 5V is needed. When the device is in normal
condition the status is high. If open load or overtemperature occurs
on one channel, the associated output status will be pulled low. See
Functional Truth Table.
10
V
batc
VBAT Control
This pin is the supply voltage pin for the control portion of the device. It
has to be connected to the V
bat
line and to the other V
bat
pins listed above.
An internal 45V zener diode is connected between pin 10 and Gnd.
11
GND
GROUND
This is the Gnd pin of the device.
Freescale Semiconductor, Inc.
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