User guide

MAX8758
Step-Up Regulator with Switch Control and
Operational Amplifier for TFT LCD
______________________________________________________________________________________ 15
REF
DLP
MODE
CTL
FAULT
SHDN
REF_OK
0.5 x V
REF
5µA
REF
50µA
1kΩ
9R
R
Q3
Q4
Q1
Q2
SRC
GON
DRN
THR
Q5
4R
1kΩ
5R
R
Figure 4. Switch Control