SC33063A ONSEMI [ON Semiconductor], SC33063A Datasheet - Page 8

• Manufacturer Part Number: SC33063A
• Description: 1.5 A, Step−Up/Down/ Inverting Switching Regulators
• Manufacturer: ONSEMI [ON Semiconductor]

V
in
8
7
6
4.5 V to 6.0 V
13a. External NPN Switch
V
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
in
0.24
100
R
R2
sc
Figure 14. External Current Boost Connections for I
+
8.2 k
8
7
6
5
Test
V
CC
1
2
3
4
+
-
I
pk
953
R1
Comp.
+
Figure 13. Voltage Inverting Converter
OSC
S Q
R
C
T
http://onsemi.com
1.25 V
Reg
Ref
V
V
V
V
V
V
Q2
V
in
in
in
in
in
in
out
= 4.5 V to 6.0 V, I
= 5.0 V, I
= 5.0 V, I
= 5.0 V, R
= 5.0 V, I
= 5.0 V, I
Q1
8
V
in
O
O
O
O
2
3
4
1
Conditions
L
= 10 mA to 100 mA
= 100 mA
= 100 mA
= 100 mA
L
+
= 0.1 W
8
7
6
13b. External PNP Saturated Switch
1500
pF
1000 mf
88 mH
O
= 100 mA
C
+
Peak Greater than 1.5 A
1N5819
C
O
-12 V/100 mA
V
out
3.0 mV = ± 0.012%
0.022 V = ± 0.09%
500 mVpp
910 mA
62.2%
70 mVpp
Results
1
2
3
4
1.0 mH
+
Optional Filter
+
100
V
out
V
out