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TL500 Datasheet(PDF) 17 Page - Texas Instruments

Part # TL500
Description  PULSE-WIDTH-MODULATION CONTROL CIRCUITS
PDF  23 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TL500 Datasheet(HTML) 17 Page - Texas Instruments

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TL5001, TL5001A
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS084E – APRIL 1994 – REVISED OCTOBER 1999
17
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
APPLICATION INFORMATION
U1
TL5001/A
FB
COMP
VO
DTC
RT
GND
C1
100
µF
10 V
VI
5 V
+
R1
470
Ω
SCP
VCC
L1
20
µH
C2
100
µF
10 V
3.3 V
GND
+
CR1
MBRS140T3
Q1
TPS1101
C6
0.012
µF
R4
5.1 k
Ω
R5
7.50 k
Ω
1%
R2
56 k
Ω
R3
43 k
Ω
R6
3.24 k
Ω
1%
C5
0.1
µF
C4
1
µF
C3
0.1
µF
GND
8
7
6
5
2
1
3
4
Partial Bill of Materials:
U1
TL5001/A
Texas Instruments
Q1
TPS1101
Texas Instruments
LI
CTX20-1 or
Coiltronics
23 turns of #28 wire on
Micrometals No. T50-26B core
C1
TPSD107M010R0100
AVX
C2
TPSD107M010R0100
AVX
CR1
MBRS140T3
Motorola
R7
2.0 k
Ω
C7
0.0047
µF
+
NOTES: A. Frequency = 200 kHz
B. Duty cycle = 90% max
C. Soft-start time constant (TC) = 5.6 ms
D. SCP TC = 70 msA
Figure 21. Step-Down Converter



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