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CSD97370Q5M Datasheet(PDF) 4 Page - Texas Instruments

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Part No. CSD97370Q5M
Description  Synchronous Buck NexFET Power Stage
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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CSD97370Q5M Datasheet(HTML) 4 Page - Texas Instruments

 
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ENABLE
NC
V
DD
V
SW
V
SW
V
SW
V
SW
V
SW
V
IN
V
IN
V
IN
V
IN
V
IN
V
IN
V
SW
1
2
3
4
5
6
7
8
9
10
11
12
P0125-01
13
14
15
16
17
PGND
23
18
19
20
21
22
SON5mm
6mm
22-PinPackage
(TopView)
´
NC
NC
NC
NC
PWM
BOOT
BOOT_R
CSD97370Q5M
SLPS314A
– JUNE 2011 – REVISED JUNE 2011
www.ti.com
PIN CONFIGURATION
PIN DESCRIPTION
PIN
DESCRIPTION
NO.
NAME
1
ENABLE
Enables device operation. If ENABLE=logic HIGH, turns on the device. If ENABLE=logic LOW, the device is turned off
and MOSFET gates are actively pulled low. An internal 100k
Ω pull down resistor will pull the ENABLE pin LOW if left
floating.
2
NC
Not for electrical connection, connect to floating pad only.
3
VDD
Supply Voltage to Gate Drivers and internal circuitry.
4
NC
Not for electrical connection, connect to floating pad only.
5
NC
Not for electrical connection, connect to floating pad only.
6
VSW
Voltage Switching Node
– pin connection to the output inductor.
7
VSW
Voltage Switching Node
– pin connection to the output inductor.
8
VSW
Voltage Switching Node
– pin connection to the output inductor.
9
VSW
Voltage Switching Node
– pin connection to the output inductor.
10
VSW
Voltage Switching Node
– pin connection to the output inductor.
11
VSW
Voltage Switching Node
– pin connection to the output inductor.
12
VIN
Input Voltage Pin. Connect input capacitors close to this pin.
13
VIN
Input Voltage Pin. Connect input capacitors close to this pin.
14
VIN
Input Voltage Pin. Connect input capacitors close to this pin.
15
VIN
Input Voltage Pin. Connect input capacitors close to this pin.
16
VIN
Input Voltage Pin. Connect input capacitors close to this pin.
17
VIN
Input Voltage Pin. Connect input capacitors close to this pin.
18
BOOT_R
Bootstrap capacitor connection. Connect a minimum 0.1
µF 16V X5R, ceramic cap from BOOT to BOOT_R pins. The
bootstrap capacitor provides the charge to turn on the Control FET. The bootstrap diode is integrated.
19
BOOT
20
NC
Not for electrical connection, connect to floating pad only.
21
NC
Not for electrical connection, connect to floating pad only.
22
PWM
Pulse Width modulated 3-state input from external controller. Logic Low sets Control FET gate low and Sync FET gate
high. Logic High sets Control FET gate high and Sync FET gate Low. Open or High Z sets both MOSFET gates low if
greater than the 3-State Shutdown Hold-off Time (t3HT)
23
PGND
Power Ground
4
Copyright
© 2011, Texas Instruments Incorporated


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