ISL6420IRZ Intersil, ISL6420IRZ Datasheet - Page 7

• Manufacturer Part Number: ISL6420IRZ
• Description: IC CTRLR PWM BUCK SYNC SGL 20QFN
• Manufacturer: Intersil

Specifications of ISL6420IRZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 1.4MHz
• Duty Cycle: 100%
• Voltage - Supply: 4.5 V ~ 16 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
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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 7)
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 7)
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
External Reference Input Range at
GPIO1/REFIN.
REFERENCE BUFFER
Buffered Output Voltage - Internal Reference
Buffered Output Voltage - External Reference
Current Drive Capability
VOLTAGE MARGINING
Voltage Margining Range (Note 7)
CDEL Current for Voltage Margining
Slew Time
PARAMETER
7
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
V
V
SYMBOL
I
I
V
REFOUT
REFOUT
OCSET
PGLKG
V
GBW
V
V
SOFT
I
SR
REF
PG+
SS
PG-
Co = 1000pF
Co = 1000pF
Vocset = 4.5V
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
I
VMSET/MODE = HIGH,
C
V
VMSET/MODE = HIGH,
C
C
CDEL = 0.1µF, VMSET/MODE = 330kΩ
PGOOD
REFOUT
PULLUP
REFIN
REFOUT
REFOUT
REFOUT
ISL6420
= 1.25V, I
= 4mA
= 20mA,
TEST CONDITIONS
= 5.5V
= 2.2µF, T
= 2.2µF
= 2.2µF
REFOUT
A
REFOUT
= -40°C to +85°C
= 20mA,
= 2.2µF
CC
shorted with V
Vrefin
0.594
0.585
-0.01
MIN
1.0
-14
0.6
-10
80
10
20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CC5
TYP
0.6V
100
125
100
0.7
-10
2.5
2.5
10
20
20
20
88
15
6
2
-
-
-
-
-
-
-
-
, T
A
= +25°C (Continued)
Vrefin
0.606
0.615
+0.01
MAX
1.25
120
+10
1.0
0.5
16
-8
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
February 13, 2008
UNITS
FN9151.5
MHz
V/μs
mA
ms
ms
μA
dB
μA
μA
μA
μA
ns
ns
ns
%
%
%
V
V
V
A
V
V
V
V
V