Diodes AP3039 - Manual (Page 4)

BOOST CONTROLLER AP3039
Data Sheet
4
BCD Semiconductor Manufacturing Limited Jun. 2010 Rev. 1. 6
Functional Block Diagram
Figure 3. Functional Block Diagram of AP3039
OV
AGND
FB
SS
COMP
CS
RT
PGND
OUT
VCC VIN
EN
UVLO
SHDN
A (B)
A QFN-3x3-16
B SOIC-14
REFERENCE
Σ
REFERENCE
BYPASS
SWITCH
REGULATOR
EN
LOGIC
LEB
OSL
OSTD
1.25V
1.25V
22 µA
22 µA
1.25V
3V
DRIVER
110mV
+
0.5V
+
EA
12 µA
CLK
S
R Q
CLK
SAW
SAW
4 (5)
5 (6)
6 (7)
8 (9)
13 (13)
11 (12)
14 (14)
9 (10)
7 (8)
10 (11)
16 (2)
15 (1)
1 (3)
2 (4)