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PDF TDA21220 Data sheet ( Hoja de datos )
| Número de pieza | TDA21220 | |
| Descripción | High-Performance DrMOS | |
| Fabricantes | Infineon | |
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High-Performance DrMOS
6 mm x 6 mm x 0.8 mm IQFN
TDA21220
Data Sheet
Revision 2.5, 2013-01-07
Power Management and Multimarket
1 page  
3 Description
3.1 Pinout
TDA21220
Description
10 9 8 7 6 5 4 3 2 1
VIN 11
VIN 12
VIN 13
VIN 14
VSWH 15
PGND 16
PGND 17
PGND 18
PGND 19
PGND 20
VIN CGND
VSWH
40 PWM
39 DISB#
38 NC
37 CGND
36 GL
35 VSWH
34 VSWH
33 VSWH
32 VSWH
31 VSWH
21 22 23 24 25 26 27 28 29 30
Figure 2 Pinout, numbering and name of pins (transparent top view)
Note: Signals marked with “#” at the end are active low signals.
Table 2
I/O Signals
Pin No.
Name Pin Type Buffer Type Function
1
SMOD# I
+3.3 V logic Low Side gate disable
When SMOD# is “low” the GL is “off”
6
GH O
Analog
High side gate signal
Monitoring of high side MOSFET gate
7
PHASE I
Analog
Switch node (reference for Boot voltage)
internally connected to VSWH pin, connect to BOOT
capacitor
4
BOOT I
Analog
Bootstrap voltage pin
Connect to BOOT capacitor
15, 29 to 35, VSWH O
VSWH pad
Analog
Switch node output
High current output switching node
36
GL O
Analog
Low side gate signal
Monitoring of low side MOSFET gate
39
DISB# I
+3.3 V logic Disable signal (active low)
Connect to GND to disable the IC.
40
PWM I
+3.3 V logic PWM drive logic input
The tri-state PWM input is compatible with 3.3 V.
Data Sheet
5 Revision 2.5, 2013-01-07
5 Page 
TDA21220
Electrical Specification
Table 12 Recommended Operation Timing
Parameter
Symbol
Min.
SMOD# rising to PWM rising edge t_surll
set-up time
-
SMOD# falling to PWM falling
edge hold time
t_hfll
-
Typ. Max. Unit Test conditions
20 -
ns
20 -
Time t_surll is a recommended maximum time between SMOD# disabling and PWM going high to prevent the
LS-MOSFET from turning on prior to its immediate turn-off.
Time t_hfll is a recommended maximum time between PWM falling and SMOD# enabling to prevent the LS-
MOSFET from turning on prior to its immediate turn-off.
Data Sheet
11 Revision 2.5, 2013-01-07
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet TDA21220.PDF ] | |
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