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MC34063AD Datasheet(PDF) 6 Page - Texas Instruments

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Part No. MC34063AD
Description  1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

MC34063AD Datasheet(HTML) 6 Page - Texas Instruments

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Q
S
R
CT
Ipk
Q2
Q1
2
1
CT
Comparator
_
+
1.25-V
Reference
Regulator
4
5
3
8
180
7
6
RSC
0.22
47 k
R2
L
170
µH
CO
1N5819
330
µF
1500 pF
R1
2.2 k
100
µF
+
+
VCC
VOUT
28 V/175 mA
1.0
µH
100
µF
+
Optional Filter
VIN
12 V
V
OUT + 1.25 (1 )
R2
R1
)
MC33063A
MC34063A
SLLS636L – DECEMBER 2004 – REVISED DECEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 6. Step-Up Converter
TEST
CONDITIONS
RESULTS
Line regulation
VIN = 8 V to 16 V, IO = 175 mA
30 mV ± 0.05%
Load regulation
VIN = 12 V, IO = 75 mA to 175 mA
10 mV ± 0.017%
Output ripple
VIN = 12 V, IO = 175 mA
400 mVPP
Efficiency
VIN = 12 V, IO = 175 mA
87.7%
Output ripple with optional filter
VIN = 12 V, IO = 175 mA
40 mVPP
6
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Copyright © 2004–2009, Texas Instruments Incorporated
Product Folder Link(s): MC33063A MC34063A


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