MC33063A-Q1 Datasheet, PDF (9/14 Pages) Texas Instruments – 1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATOR

MC33063AĆQ1
1.5ĆA PEAK BOOST/BUCK/INVERTING SWITCHING REGULATOR
SLLS654A – APRIL 2005 – REVISED JANUARY 2007
TYPICAL CHARACTERISTICS
8
1
SQ
R
Q2
Q1
7
VIN
4.5 V to
6.0 V
RSC
0.24 Ω
6
VCC
+
100 µF
5
Ipk
Oscillator ^CT
+
_ ^Comparator
R2
8.2 kΩ
R1
953 Ω
2
L
88 µH
1.25-V
Reference
Regulator
3
+
1500 pF
4
1N5819
CO
1000 µF
VOUT
−12 V/100 mA
+
1.0 µH
100 µF
VOUT
+
TEST
Line Regulation
Load Regulation
Output Ripple
Short-Circuit Current
Efficiency
Output Ripple With Optional Filter
CONDITIONS
VIN = 4.5 V to 6 V, IO = 100 mA
VIN = 5 V, IO = 10 mA to 100 mA
VIN = 5 V, IO = 100 mA
VIN = 5 V, RL = 0.1 Ω
VIN = 5 V, IO = 100 mA
VIN = 5 V, IO = 100 mA
Figure 10. Voltage-Inverting Converter
Optional Filter
RESULTS
3 mV ± 0.12%
0.022 V ± 0.09%
500 mVPP
910 mA
62.2%
70 mVPP
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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