ISL78010_11 Datasheet, PDF (9/19 Pages) Intersil Corporation – Automotive Grade TFT-LCD Power Supply

ISL78010
VREF
SGND
FBB
CINT
VDD
PG
CDLY
DRVN
FBN
REFERENCE
GENERATOR
OSCILLATOR
SLOPE COMP OSC
COMPENSATION
GM
AMPLIFIER
Σ
VOLTAGE
AMPLIFIER
PWM
LOGIC
CONTROLLER
BUFFER
UVLO
COMPARATOR
THERMAL
SHUTDOWN
EN
SHUTDOWN
AND
START-UP
CONTROL
CURRENT
AMPLIFIER
CURRENT REF
CURRENT
LIMIT COMPARATOR
VREF
+
-
UVLO
COMPARATOR
BUFFER
SS
+ _0.2V
-
SS
VREF
+
-
BUFFER
BUFFER
0.4V
UVLO
COMPARATOR
UVLO
COMPARATOR
EN
LX
PGND
DRVP
FBP
DELB
DRVL
FBL
FIGURE 20. BLOCK DIAGRAM
9
FN6501.1
May 3, 2011