I L 34063A
Voltage Inverting With External NPN Switch
8
7
RSC
VIN
6
5
SQ
R
1
Q2
Q1
2
Ipk
Oscillator
3
Comparator
1.25 V
Reference
4
Regulator
Voltage Inverting With External PNP Saturated Switch
8
VI N
7
RS C
6
5
SQ
R
1
Q2
Q1
2
Ipk
Oscillator
3
Comparator
1.25 V
Re fo r e n c e
4
Regulator
VOUT
+
VOUT
+
2011, February, Rev. 02