33981(2008) Просмотр технического описания (PDF) - Freescale Semiconductor
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33981 Datasheet PDF : 37 Pages
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PIN CONNECTIONS
Package Transparent Top View
PIN CONNECTIONS
GND
13
VPWR
14
15
16
OUT
OUT
Figure 3. Pin Connections
Table 1. PIN DEFINITIONS
Descriptions of the pins listed in the table below can be found in the Functional Description section located on page 12.
Pin
Number
Pin Name
Pin
Function
Formal Name
Definition
1
CSNS
Reports Output Current Monitoring This pin is used to generate a ground-referenced voltage for the
microcontroller (MCU) to monitor output current.
2
TEMP
Reports
Temperature Feedback This pin is used by the MCU to monitor board temperature.
3
EN
Input
Enable
(Active High)
This pin is used to place the device in a low-current Sleep Mode.
4
INHS
Input
Serial Input High Side
This input pin is used to control the output of the device.
5
FS
Reports
Fault Status
(Active Low)
This pin monitors fault conditions and is active LOW.
6
INLS
Input
Serial Input Low Side
This pin is used to control an external low side N-channel MOSFET.
7
CONF
Input
Configuration Input
This input manages MOSFET N-channel cross-conduction.
8
OCLS
Input
Low Side Overload
This pin sets the VDS protection level of the external low side MOSFET.
9
DLS
Input
Drain Low Side
This pin is the drain of the external low side N-channel MOSFET.
10
GLS
Output
Low Side Gate
This output pin drives the gate of the external low side N-channel
MOSFET.
11
12
13
14
15, 16
SR
CBOOT
GND
VPWR
OUT
Input
Input
Ground
Input
Output
Slew Rate Control
Bootstrap Capacitor
Ground
Positive Power Supply
Output
This pin controls the output slew rate.
This pin provides the high pulse current to drive the device.
This is the ground pin of the device.
This pin is the source input of operational power for the device.
These pins provide a protected high side power output to the load
connected to the device.
Analog Integrated Circuit Device Data
Freescale Semiconductor
33981
3
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