參數(shù)資料
型號: TDA21201-P7
廠商: INFINEON TECHNOLOGIES AG
英文描述: Integrated Switch(MOSFET Driver and MOSFETs)
中文描述: 集成開關(guān)(MOSFET驅(qū)動器和MOSFET)
文件頁數(shù): 6/15頁
文件大?。?/td> 754K
代理商: TDA21201-P7
Preliminary Data Sheet
TDA21201
Page 6
Apr-29, 2002
Integrated Switch functionality vs. supply voltage Vcc
The Integrated Switch reaches gradually its full functionality while the supply
voltage Vcc increases from 0 to its nominal value +12 V, e.g. during turn-on.
The same happens vice versa when the supply voltage decreases from its
nominal value +12 V to 0, e.g. during turn-off. The TDA21201 is very
insensitive to Vcc tolerances. It behaves properly in a wide Vcc range from 9
to 15 V. There is no distinct V
CC
threshold at which the Integrated Switch’s
functionality or state changes abrupt while V
CC
increases or decreases. E.g.,
there is no tight specified Under Voltage Lockout level. The TDA21201
changes smoothly its state, e.g., as the High Side and Low Side MOSFETs′
gate drive voltage increases while V
CC
increases from 7.5 V to 9 V the Rds[on]
of both the High Side MOSFET and the Low Side MOSFET decreases
gradually, rather than being fully Off at VCC slightly below a threshold level or
12 V
PWM 1
PWM 2
PWM N
PWM
IC
TDA
21201
TDA
21201
L
1
L
N
C
1...2 V
V
CC
IN
OUT
GND
I
6 V 7.5 V
I
I I
9 V 12 V 15 V Vcc
I
Integrated Switch OFF
Low Side
FET can
turn ON
High Side
FET can
turn ON
Integrated Switch fully
functional
Integrated
Switch
function
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