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TL2575 数据表(PDF) 9 Page - Texas Instruments

部件名 TL2575
功能描述  1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
PDF  31 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TL2575 数据表(HTML) 9 Page - Texas Instruments

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TEST CIRCUITS
TL2575-xx
Fixed Output
CIN
100
µF
+
+VIN
1
3
GND
5
D1
2
L1
330
µH
COUT
330
µF
+
4
L
O
A
D
VOUT
VIN
Unregulated
DC Input
CIN = 100 µF, Aluminum Electrolytic
COUT = 330 µF, Aluminum Electrolytic
D1 = Schottky
L1 = 330
µH (for 5-V VIN with 3.3-V VOUT, use 100 mH)
Fixed-Output Voltage
TL2575
(ADJ)
CIN
100
µF
+
+VIN
1
3
GND
5
ON/OFF
D1
11DQ06
OUTPUT
2
L1
330
µH
COUT
330
µF
+
FEEDBACK
4
L
O
A
D
VOUT
7-V to 40-V
Unregulated
DC Input
Adjustable-Output Voltage
VOUT = VREF(1 + R2/R1) = 5 V
VREF = 1.23 V
R1 = 2 kW
R2 = 6.12 kW
R2
R1
ON/OFF
OUTPUT
FEEDBACK
TL2575, TL2575HV
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
SLVS638B – MAY 2006 – REVISED JANUARY 2007
A.
Pin numbers are for the KTT (TO-263) package.
Figure 2. Test Circuits and Layout Guidelines
9
Submit Documentation Feedback



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