MAX1889 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1889 Datasheet PDF : 32 Pages
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Triple-Output TFT LCD Power Supply
with Fault Protection
VIN
REF
SHDN
REFERENCE
1.25V REF
EN REFOK
+
-
2.70V +
UVLO
2.35V - COMPARATOR
ONP ONMN
SEQUENCE
AND FAULT
DETECTOR
THERMAL
SHUTDOWN
FREQ
IN
EN
GATE
DRIVER
GATE
EN
OSCILLATOR
OSC SLOPE_COMP
FAULTM
MAIN STEP-UP
WITH SOFT-START
EN
SSDONE
OCN
OCP
OVERCURRENT
COMPARATOR
LX
FB
PGND
VMAIN
DRVP
+
VPL
- ANALOG
GAIN BLOCK
FBP
FAULT
COMPARATOR
+
-
MAX1889
+
- 0.125V
+
- ANALOG
GAIN BLOCK
DRVN
VNL
FAULT
+
- 0.35V FBN
COMPARATOR
REF
Figure 2. MAX1889 System Functional Diagram
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