AZ34063U Datasheet, PDF (2/14 Pages) BCD Semiconductor Manufacturing Limited – 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER
Pin Configuration
Data Sheet
AZ34063U
M Package
(SOIC-8)
Switch
Collector
11
Switch
Emitter ^{2 2}
Timing
Capacitor
3₃
GND ^{4 4}
8
Driver
8 _Collector
7 ^{7 I}PK ^Sense
6 ^{6 V}CC
5 ^{5 Comparator}
Inverting Input
P Package
(DIP-8)
Switch
Collector ¹
Switch
Emitter ²
Timing
Capacitor
3
GND ⁴
Driver
8 _Collector
7 ^I_PK ^Sense
6 ^V_CC
5 ^Comparator
Inverting Input
Figure 2. Pin Configuration of AZ34063U (Top View)
Functional Block Diagram
Driver 8
Collector
I_PK Sense ⁷
V_CC
6
Comparator ₅
Inverting
Input
B
SQ
A
R
IIp_Pk_K
OSC ^CT
1.25V
+
Reference
Regulator
-
1 Switch
Collector
2 Switch
Emitter
3 Timing
Capacitor
4 _GND
Figure 3. Functional Block Diagram of AZ34063U
Jan. 2013 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
2