LT1533C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1533C' PDF : 20 Pages View PDF
LT1533
TYPICAL APPLICATION
10W Off-Line Power Supply Passes FCC Emission Requirements
Without Filter Components
T1
AC LINE
0.1µF
1N4005
HV
100k
5k
0.5W
Q1
MPSA42
1N759A
12V
+
HV
100µF
400V
+
10µF
Q2
1k
10k
12V
HIDGAHNVGOELRT!A!GE!!
1.6k
1W
0.001µF
HV
250V
0.001µF
250V
1.6k
1W
5V
L1
2A
10µH
+
220µF
360k
360k
12V
1k
Q3
0.002µF
Q4
1V
D
D
Q5
Q6
IRF840 IRF840
S 1N5818 1N5818 S
12V
1k
Q7
0.002µF
Q8
10k
12V
12V
+
4.7µF 8.2k
4V
+
1µF
3k
1V
510Ω
0.48V
470Ω
FB
COL A
COL B
10M
HV
VIN
SHDN
RCSL
RVSL
LT1533
CT
VC
RT PGND
330Ω
+
1µF
75k
+
15µF
22k 3.9k
12V
43k
3300pF 15k
L2
22nH
12V
C2
1/2 LM393
470k
+
1µF
BAT-85
C1
1/2 LM393
0.8Ω
4V
0.48V
SCREENED AREA CONTAINS LETHAL HIGH VOLTAGES!
USE CAUTION IN CONSTRUCTION AND TESTING!
POWER LIMIT
CURRENT LIMIT
470Ω
4N28
240k
0.15µF
LT1431 COL RTOP
RMID
REF
2.5V
FGND
SGND
L1 = COILTRONICS UP-4
L2 = COILCRAFT B07T
NPN = 2N3904 UNLESS OTHERWISE NOTED
PNP = 2N3906
T1 = COILTRONICS CTX02-13978-X3
= 20CJQ045(I.R.) UNLESS OTHERWISE NOTED
= 1N4148
= AC (HOT) RETURN
= OUTPUT COMMON
1533 TA08
RELATED PARTS
PART NUMBER
DESCRIPTION
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700mA Micropower Low Dropout Regulator
LT1175
500mA Negative Low Dropout Micropower Regulator
LT1377
1MHz High Efficiency 1.5A Switching Regulator
LT1425
Isolated Flyback Switching Regulator
LTC®1436
High Efficiency Synchronous Switching Regulator
LT1534
Ultralow Noise 2A Switching Regulator
Adaptive Power is a trademark of Linear Technology Corporation.
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
0.4V Dropout Voltage, Reverse Battery Protection
Positive or Negative Shutdown Logic
High Frequency, Small Inductor
Excellent Regulation Without Transformer “Third Winding”
Adaptive PowerTM Mode, Phase Locked Loop
Ultralow Noise Regulator for Boost Topologies
1533f LT/TP 0598 5K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997
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