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MC34063A Datasheet(PDF) 14 Page - Texas Instruments

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Part No. MC34063A
Description  1.5-A Peak Boost/Buck/Inverting Switching Regulators
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

MC34063A Datasheet(HTML) 14 Page - Texas Instruments

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background image
R2
1.25 1
R1
æ
ö
+
ç
÷
è
ø
( )
out on
ripple pp
I
t
9
V
(
)
(
)
(
)
(
)
sat
in min
on max
pk switch
V
V
t
I
æ
ö
-
ç
÷
ç
÷
ç
÷
è
ø
(
)
pk switch
0.3
I
(
)
on
out max
off
t
2I
1
t
æ
ö
+
ç
÷
è
ø
5
on
4
10
t
-
´
(
)
on
off
off
t
t
t
+
-
on
off
on
off
t
t
t
1
t
+
+
1
f
(
)
(
)
out
F Vin min
sat
in min
V
V
V
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-
+
-
MC33063A, MC34063A
SLLS636N – DECEMBER 2004 – REVISED JANUARY 2015
www.ti.com
9.2.2.2 Detailed Design Procedure
CALCULATION
STEP UP
ton/toff
(ton + toff)
toff
ton
CT
Ipk(switch)
RSC
L(min)
CO
Vout
See Figure 10
9.2.2.3 Application Performance
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
14
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Product Folder Links: MC33063A MC34063A


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