MAX1889ETE+ Maxim Integrated Products, MAX1889ETE+ Datasheet - Page 12

• Manufacturer Part Number: MAX1889ETE+
• Description: IC PWR SUP TRPL LCD 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1889ETE+

• Applications: Controller, TFT, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 3
• Voltage - Output: 2.7 ~ 13 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• 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
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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