ISL6420AIRZ-TK Intersil, ISL6420AIRZ-TK Datasheet - Page 4
![IC CTRLR PWM SYNC BUCK 20-QFN](/photos/6/50/65042/20-20-qfn_sml.jpg)
ISL6420AIRZ-TK
Manufacturer Part Number
ISL6420AIRZ-TK
Description
IC CTRLR PWM SYNC BUCK 20-QFN
Manufacturer
Intersil
Specifications of ISL6420AIRZ-TK
Pwm Type
Voltage Mode
Number Of Outputs
1
Frequency - Max
1.4MHz
Duty Cycle
100%
Voltage - Supply
4.5 V ~ 28 V
Buck
Yes
Boost
No
Flyback
No
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
No
Operating Temperature
-40°C ~ 85°C
Package / Case
20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
Frequency-max
1.4MHz
Rohs Compliant
YES
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ISL6420AIRZ-TKTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ISL6420AIRZ-TK
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
ISL6420AIRZ-TKS2705
Manufacturer:
INTERSIL
Quantity:
20 000
Typical 12V Input DC/DC Application Schematic
Typical 5V Input DC/DC Application Schematic
C7
C7
5V
12V
C1
R2
C1
R3
R2
C8
R4
R3
C2
PGOOD
R4
SS/EN
SGND
CDEL
C2
PGOOD
4
FB
RT
SGND
CDEL
ENSS
CONFIGURATION FOR DDR TERMINATION/EXTERNALLY REFERENCED TRACKING APPLICATIONS
FB
RT
VIN
C10
C11
VMSET/MODE
REF
VIN
C11
R5
VCC5
REF
PVCC
+
-
+
-
COMP
OSC
R5
VMSET/MODE
PVCC
+
-
+
-
MONITOR AND
COMP
OSC
C12
PROTECTION
C3
MONITOR AND
PROTECTION
+
-
-
+
C3
+
-
-
+
R6
VCC5
REFOUT
ISL6420A
VCC5
REFOUT
C4
C12
OCSET
BOOT
UGATE
PHASE
LGATE
PGND
C4
GPIO1/REFIN
GPIO1/REFIN <-- VREF = VDDQ/2
GPIO2
C13
OCSET
BOOT
UGATE
PHASE
LGATE
PGND
GPIO2
Q1
C5
R1
Q1
C5
R1
Q2
Q2
1.25V VREF
TO REFIN OF VTT SUPPLY
D1
C8
D1
C9
L1
C9
C6
L1
C10
C6
2.5V/1.25V
October 13, 2005
3.3V
FN9169.1