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参数资料
| 型号： | TLE6389GVT |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 420 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | PLASTIC, DSO-14 |
| 文件页数： | 33/37页 |
| 文件大小： | 368K |
| 代理商： | TLE6389GVT |
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TLE 6389
Preliminary data sheet Rev. 1.0
5
2003-05-05
9SO
Sense comparator output.
Open drain output from SI comparator at the adjustable version
(TLE6389GV),
Pull down structure with an internal 20k
pull up resistor to VOUT at the
5V version (TLE6389G50-1 and TLE6389G50).
10
RO
Reset output.
Open drain output from undervoltage reset comparator at the adjustable
version (TLE6389GV),
Pull down structure with an internal 20k
pull up resistor to VOUT at the
5V version (TLE6389G50-1 and TLE6389G50).
11
BDS
Buck driver supply input.
Connect a ceramic capacitor between BDS and VS to generate clamped
gate-source voltage to supply the driver of the PMOS power stage.
12
GDRV
Gate drive output.
Connect to the gate of the external P-Channel MOSFET. The voltage at
GDRV swings between the levels of VS and BDS.
13
VS
Device supply input.
Connect a 220nF ceramic cap close to the pin in addition to the low ESR
tantalum input capacitance.
14
CS
Current-sense input.
Connect current-sense resistor between VS and CS. The voltage drop
over the sense-resistor determines the peak current flowing in the buck
circuit. The external MOSFET is turned off when the peak current is
exceeded.
Pin No
SO-14
Symbol
Function
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