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TPS62007QDGSRQ1 Fiches technique(PDF) 3 Page - Texas Instruments

No de pièce TPS62007QDGSRQ1
Description  HIGH-EFFICIENCY STEP-DOWN LOW POWER DC-DC CONVERTER
Download  26 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62007QDGSRQ1 Fiches technique(HTML) 3 Page - Texas Instruments

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TPS62000Q1, TPS62001Q1, TPS62002Q1, TPS62003Q1
TPS62004Q1, TPS62005Q1, TPS62006Q1, TPS62007Q1, TPS62008Q1
HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER
SGLS243A − APRIL 2004 − REVISED JUNE 2008
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
PFM/PWM
Control Logic
Current Limit
Logic
_
+
Compensation
Soft
Start
Slope Compensation
PFM/PWM
Mode Select
PFM/PWM
Comparator
Error Amplifier
_
+
Current
Sense
Driver
Shoot-Through
Logic
_
+
Undervoltage
Lockout
Bias Supply
10
_
+
Vref = 0.45 V
R2
R1
R1 + R2
≈ 1 MΩ
Power Good
Sync
+
Oscillator
_
+
Load Comparator
Current Sense
+
Offset
Antiringing
FB
N-Channel
Power MOSFET
P-Channel
Power MOSFET
L
PGND
EN
FB
PG
FC (See Note B)
VIN
GND
SYNC
ILIM
EN
(See
Note A)
NOTES: A. The adjustable output voltage version does not use the internal feedback resistor divider. The FB pin is directly connected to the
error amplifier.
B. Do not connect the FC pin to an external power source.


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