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TLE4470 View Datasheet(PDF) - Infineon Technologies

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Description
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TLE4470
Infineon
Infineon Technologies Infineon
TLE4470 Datasheet PDF : 24 Pages
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TLE 4470
Pin Definitions and Functions
Table 1
PG-DSO-20
Pin No.
Symbol Function
1
RADJ Reset switching threshold adjust; for setting the reset
switching threshold connect to a voltage divider from Q1 to
GND. If this input is connected to GND, the reset is
triggered at the internal threshold.
2
D
Reset delay; connect a capacitor CD to GND for delay time
adjustment
3
DIS
Disable input main regulator; Q2 disabled with high
signal
4, 5, 6, 7
GND
Ground
8
RQ
Reset output; the open collector output is connected to Q1
via an integrated 30 kresistor
9
SQ
Sense output; the open collector output is connected to Q1
via an integrated 30 kresistor
10
Q1
Stand-by regulator output voltage; block to GND with a
capacitor CQ1 6 µF, ESR < 10 at 10 kHz
11
ADJ2 Main regulator adjust input; Q2 can be set to higher
values than 5 V by an external voltage divider from Q2 to
GND
12, 13
Q2
14, 15, 16, 17 GND
Main regulator output voltage; block to GND with a
capacitor CQ2 10 µF, ESR < 10 at 10 kHz
Ground
18
I2
Main regulator input voltage; block to GND directly at the
IC with a ceramic capacitor
19
I1
Stand-by regulator input voltage; block to GND directly at
the IC with a ceramic capacitor
20
SI
Sense comparator input
Data Sheet
3
Rev. 1.2, 2008-03-20
 

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