ISL6420AIAZ-TK Intersil, ISL6420AIAZ-TK Datasheet - Page 8

• 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
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 10)
Gain-Bandwidth Product
(Note 10)
Slew Rate (Note 10)
COMP Souce/Sink Current
(Note 10)
OVERCURRENT PROTECTION
OCSET Current Source
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
Buffered Output Voltage -
External Reference
PARAMETER
8
SYMBOL
V
V
V
V
I
I
apply over the operating temperature range, -40°C to +85°C. (Continued)
V
REFOUT
REFOUT
REFOUT
REFOUT
OCSET
V
PGLKG
Operating Conditions: VIN = 12V, PVCC shorted with VCC5, T
V
GBW
V
I
SOFT
SR
PG+
REF
PG-
SS
Co = 1000pF
Co = 1000pF
V
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
V
V
I
C
I
C
V
V
V
V
PGOOD
REFOUT
REFOUT
OCSET
PULLUP
MSET/MODE
MSET/MODE
REFOUT
REFOUT
REFIN
MSET2/MODE
REFIN
MSET2/MODE
= 1.25V, I
= 1.25V, I
= 4.5V
= 4mA
= 1mA,V
= 20mA,V
= 5.0V (Note 11)
= 2.2µF, T
= 2.2µF, T
TEST CONDITIONS
ISL6420A
= H, C
= H, C
= High, C
= High,C
MSET/MODE
REFOUT
REFOUT
MSET/MODE
A
A
REFOUT
REFOUT
= -40°C to +85°C
= -40°C to +85°C
REFOUT
REFOUT
= 1mA,
= 20mA,
= 2.2µF
= 2.2µF
= High,
= High,
= 2.2µF
= 2.2µF
(Note 12)
0.583
0.575
0.594
1.227
1.219
MIN
-14
1.0
80
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A
= +25°C. Boldface limits
0.600
0.595
0.587
1.246
1.238
±0.4
TYP
100
125
-10
0.7
2.5
10
20
20
20
88
15
6
2
-
-
-
-
-
-
-
(Note 12) UNITS
0.607
0.599
0.606
1.250
1.265
1.257
MAX
120
1.0
0.5
16
-8
1
-
-
-
-
-
-
-
-
-
-
-
-
-
December 4, 2009
FN9169.4
V/µs
MHz
mA
ms
µA
µA
µA
µA
dB
ns
ns
ns
%
%
V
V
V
A
V
V
V
V
V
V
V
V