MAX1889ETE Maxim Integrated Products, MAX1889ETE Datasheet - Page 12

• Manufacturer Part Number: MAX1889ETE
• Description: DC/DC Switching Converters
• Manufacturer: Maxim Integrated Products

Specifications of MAX1889ETE

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Triple-Output TFT LCD Power Supply
with Fault Protection
Figure 2. MAX1889 System Functional Diagram
12
______________________________________________________________________________________
2.70V
2.35V
+
-
+
-
COMPARATOR
ONP ONMN
MAX1889
UVLO
SHUTDOWN
SEQUENCE
AND FAULT
DETECTOR
THERMAL
EN
REFERENCE
1.25V
REFOK
REF
REF
SHDN
COMPARATOR
COMPARATOR
+
-
FAULTM
EN
FAULT
FAULT
0.125V
+
-
OSC
EN
WITH SOFT-START
+
-
MAIN STEP-UP
OSCILLATOR
SSDONE
+
-
+
-
SLOPE_COMP
+
-
+
-
0.35V
GAIN BLOCK
ANALOG
GAIN BLOCK
ANALOG
FREQ
FBN
EN
DRIVER
GATE
OVERCURRENT
COMPARATOR
IN
+
-
PGND
DRVP
DRVN
GATE
OCN
OCP
FBP
LX
FB
REF
V
IN
V
V
PL
MAIN
V
NL