ISL6420AIAZ-TK Intersil, ISL6420AIAZ-TK Datasheet - Page 7

• Manufacturer Part Number: ISL6420AIAZ-TK
• Description: IC CTRLR PWM SYNC BUCK 20-QSOP
• Manufacturer: Intersil

Specifications of ISL6420AIAZ-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-QSOP
• Frequency-max: 1.4MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL6420AIAZ-TKTR

Electrical Specifications
REFERENCE AND SOFT-START/ENABLE
Internal Reference Voltage
Reference Voltage Accuracy
Soft-Start Current
Soft-Start Threshold
Enable Low (Converter disabled)
PWM CONTROLLER GATE DRIVERS
Gate Drive Peak Current
Rise Time
Fall Time
Dead Time Between Drivers
ERROR AMPLIFIER
DC Gain (Note 7)
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 7)
OVERCURRENT PROTECTION
OCSET Current Source
Dynamic Current Limit ON time
Dynamic Current Limit OFF time
POWER GOOD AND CONTROL FUNCTIONS
Power-Good Lower Threshold
Power-Good Higher Threshold
PGOOD Leakage Current
PGOOD Voltage Low
PGOOD Delay
CDEL Current for PGOOD
CDEL Threshold
EXTERNAL REFERENCE
MIn External Reference Input at
GPIO1/REFIN.
Max External Reference Input at
GPIO1/REFIN.
REFERENCE BUFFER
Buffered Output Voltage - Internal Reference
Buffered Output Voltage - Internal Reference
Buffered Output Voltage - External Reference
PARAMETER
7
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
V
V
V
SYMBOL
T
I
T
I
V
REFOUT
REFOUT
REFOUT
OCSET
PGLKG
OCOFF
V
GBW
V
V
OCON
SOFT
I
SR
REF
PG+
SS
PG-
T
Co = 1000pF
Co = 1000pF
V
Frequency = 300kHz
Frequency = 300kHz
Fraction of the set point; ~3µs noise filter
Fraction of the set point; ~3µs noise filter
V
I
CDEL = 0.1µF
CDEL threshold = 2.5V
VMSET/MODE = H, C
VMSET/MODE = H, C
I
VMSET/MODE = High,
C
I
VMSET/MODE = High,
C
V
VMSET2/MODE = High,
C
PGOOD
REFOUT
REFOUT
A
OCSET
PULLUP
REFIN
REFOUT
REFOUT
REFOUT
ISL6420A
= -40°C to 85°C, VIN = 5.6V to 28V
= 1.25V, I
= 4mA
= 4.5V
= 1mA,
= 20mA,
TEST CONDITIONS
= 5.5V
= 2.2µF, T
= 2.2µF, T
= 2.2µF
REFOUT
A
A
REFOUT
REFOUT
= -40°C to 85°C
= -40°C to 85°C
= 1mA,
= 2.2µF
= 2.2µF
CC
shorted with V
0.583
0.575
1.227
MIN
-1.0
1.0
-14
80
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CC5
0.600
0.600
0.595
0.587
1.246
TYP
100
128
125
0.7
-10
2.5
10
20
20
20
88
15
20
6
2
-
-
-
-
-
-
-
, T
A
= 25°C (Continued)
1.250
0.607
0.599
1.265
MAX
+1.0
120
1.0
0.5
16
-8
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
October 13, 2005
UNITS
FN9169.1
MHz
V/µs
ms
ms
ms
µA
dB
µA
µA
µA
ns
ns
ns
%
%
%
V
V
V
A
V
V
V
V
V
V
V