ISL97651ARTZ-TK Intersil, ISL97651ARTZ-TK Datasheet - Page 9

• Manufacturer Part Number: ISL97651ARTZ-TK
• Description: IC LCD SUPPLY HP 4CHN 36-TQFN
• Manufacturer: Intersil

Specifications of ISL97651ARTZ-TK

• Applications: LCD TV/Monitor
• Current - Supply: 400µA
• Voltage - Supply: 4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
V
IN1
, V
N
C
V
FBP
CM1
V
FBB
ENL
FBN
OUT
SUP
DEL
IN2
EN
INL
V
0.75 V
0.4V
0.2V
REF
V
UVLO COMPARATOR
0.75V
UVLO COMPARATOR
REF
REF
-
+
-
+
-
+
-
+
REF
-
+
-
+
CONTROL
NOUT
OSCILLATOR
VSUP
1.2MHz
VOLTAGE
FEEDBACK
9
C1-
C1+
FAULT CONTROL
COMPARATOR
REFERENCE
CONTROL
SEQUENCE
CURRENT
POUT
+
-
P
V
LIMIT
BIAS
AND
AND
OUT
REF
FIGURE 11. BLOCK DIAGRAM
CURRENT LIMIT
THRESHOLD
C2+
VSUP
ISL97651
THRESHOLDS
AND BIAS
C2-
CURRENT FEEDBACK
GENERATOR
SAWTOOTH
℘
DRN
SLOPE
COMPENSATION
BUFFER
CURRENT LIMIT
COMPARATOR
CONTROL
LOGIC
GENERATOR
CTL
SAWTOOTH
CONTROL
FEEDBACK
CURRENT
LOGIC
℘
SLOPE
COMPENSATION
P
BUFFER
OUT
CURRENT LIMIT
THRESHOLD
COMPARATOR
COM
VOLTAGE
FEEDBACK
UVLO
0.75 V
+
+
-
-
R
V
SENSE
REF
REF
April 24, 2009
PGND3
ACGND
DELB
PGND1
PGND2
CM2
LX1
LX2
CB
LXL
FBL
FN7493.3