
Step-down With External NPN Switch
8
7
RSC
VIN
6
5
SQ
R
1
Q2
Q1
2
Ipk
Oscillator
3
Comparator
1.25 V
Reforence
4
Regulator
Step-down With External PNP Switch
8
7
RSC
VIN
6
5
SQ
R
1
Q2
Q1
2
Ipk
Oscillator
3
Comparator
1.25 V
Reference
4
Regulator
IL34063A
VOUT
+
VOUT
+
Rev. 01