MC33063AD View Datasheet(PDF) - Motorola => Freescale
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Description
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MC33063AD Datasheet PDF : 12 Pages
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MC34063A MC33063A
Figure 11. Voltage Inverting Converter
8
7
Rsc
0.24
Vin
6
4.5 V to 6.0 V +
100
5
1
SQ
R
Q2
Q1
Ipk
Osc
CT
VCC
+
– Comp.
1.25 V
Ref
Reg
2
L 88 µH
3
+ 1500
pF
4
1N5819
R1
953
R2 8.2 k
1000 µf
Vout
–12 V/100 mA
+ CO
1.0 µH
Vout
100
+
Optional Filter
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
Conditions
Vin = 4.5 V to 6.0 V, IO = 100 mA
Vin = 5.0 V, IO = 10 mA to 100 mA
Vin = 5.0 V, IO = 100 mA
Vin = 5.0 V, RL = 0.1 Ω
Vin = 5.0 V, IO = 100 mA
Vin = 5.0 V, IO = 100 mA
Results
3.0 mV = ± 0.012%
0.022 V = ± 0.09%
500 mVpp
910 mA
62.2%
70 mVpp
Figure 12. External Current Boost Connections for IC Peak Greater than 1.5 A
12a. External NPN Switch
12b. External PNP Saturated Switch
8
7
Vin 6
1
8
2
Vout
7
Vin 6
1
Vout
2
MOTOROLA ANALOG IC DEVICE DATA
7
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