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TPS73643DBVT Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce TPS73643DBVT
Description  Cap-Free, NMOS, 400mA Low-Dropout Regulator with Reverse Current Protection
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

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FUNCTIONAL BLOCK DIAGRAMS
Servo
Error
Amp
Ref
27k
8k
Current
Limit
Thermal
Protection
Bandgap
NR
OUT
R
1
R
2
EN
GND
IN
R
1 + R2 = 80kΩ
4MHz
Charge Pump
VO
1.2V
1.5V
1.8V
2.5V
2.8V
3.0V
3.3V
R1
Short
23.2k
28.0k
39.2k
44.2k
46.4k
52.3k
R2
Open
95.3k
56.2k
36.5k
33.2k
30.9k
30.1k
Table 1. Standard 1%
Resistor Values for
Common Output Voltages
NOTE: VOUT = (R1 + R2)/R2 × 1.204;
R1R2 ≅ 19kΩ for best
accuracy.
Servo
Error
Amp
Ref
Current
Limit
Thermal
Protection
Bandgap
OUT
FB
R
1
R
2
EN
GND
IN
80k
8k
27k
4MHz
Charge Pump
TPS736xx
SBVS038K – SEPTEMBER 2003 – REVISED SEPTEMBER 2005
Figure 1. Fixed Voltage Version
Figure 2. Adjustable Voltage Version
4


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