MC33063ADR2G Datasheet, PDF (6/7 Pages) Tiger Electronic Co.,Ltd – Switching Regulators

SMD Type
IC
■ Typical Characterisitics
Switching Regulators
MC33063A
8
1
7
R _sc
0.24
V_in
6
4.5 V to 6.0 V ₊
100
5
S Q Q2
R
Q1
I_pk
OSC ^{C T}
V_CC
+
− ^Comp.
1.25 V
Ref
Reg
2
L 88 H
3
+
1500
pF
4
1N5819
R1
953
R2 8.2 k
V_out
−12 V/100 mA
1000 f C _O
+
1.0 H
V_out
100
+
Optional Filter
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
Conditions
V_in = 4.5 V to 6.0 V, I_O = 100 mA
V_in = 5.0 V, I_O = 10 mA to 100 mA
V_in = 5.0 V, I_O = 100 mA
V_in = 5.0 V, R_L = 0.1
V_in = 5.0 V, I_O = 100 mA
V_in = 5.0 V, I_O = 100 mA
Figure 12. Voltage Inverting Converter
Results
3.0 mV = ± 0.012%
0.022 V = ±0.09%
500 mVpp
910 mA
62.2%
70 mVpp
8
7
V_{in 6}
1
2
3
+
4
8
7
V_out
V_{in 6}
1
V_out
2
3+
4
Figure 13. External Current Boost Connections for I_C Peak Greater than 1.5 A
13a. External NPN Switch
13b. External PNP Saturated Switch
6