ISL6420IAZ View Datasheet(PDF) - Renesas Electronics
Part Name
Description
MFG CO.
ISL6420IAZ
Renesas Electronics
ISL6420IAZ Datasheet PDF : 20 Pages
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ISL6420
Electrical Specifications
PARAMETER
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PVCC shorted with VCC5, TA = +25°C (Continued)
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNITS
REFERENCE AND SOFT-START/ENABLE
Internal Reference Voltage
Soft-Start Current
Soft-Start Threshold
Enable Low (Converter disabled)
VREF
ISS
VSOFT
0.594
0.606
V
-
10
-
A
1.0
-
-
V
-
-
1.0
V
PWM CONTROLLER GATE DRIVERS
Gate Drive Peak Current
-
0.7
-
A
Rise Time
Co = 1000pF
-
20
-
ns
Fall Time
Co = 1000pF
-
20
-
ns
Dead Time Between Drivers
-
20
-
ns
ERROR AMPLIFIER
DC Gain (Note 7)
-
88
-
dB
Gain-Bandwidth Product (Note 7)
GBW
-
15
-
MHz
Slew Rate (Note 7)
SR
-
6
-
V/s
PROTECTION
OCSET Current Source
IOCSET
POWER GOOD AND CONTROL FUNCTIONS
Vocset = 4.5V
80
100
120
A
Power-Good Lower Threshold
Power-Good Higher Threshold
PGOOD Leakage Current
PGOOD Voltage Low
PGOOD Delay
VPG-
Fraction of the set point; ~3s noise filter -14
-10
-8
%
VPG+ Fraction of the set point; ~3s noise filter 10
-
16
%
IPGLKG VPULLUP = 5.5V
-
-
1
A
IPGOOD = 4mA
-
-
0.5
V
CDEL = 0.1µF
-
125
-
ms
CDEL Current for PGOOD
CDEL threshold = 2.5V
-
2
-
A
CDEL Threshold
-
2.5
-
V
EXTERNAL REFERENCE
External Reference Input Range at
GPIO1/REFIN.
VMSET/MODE = H, CREFOUT = 2.2µF
0.6
-
1.25
V
REFERENCE BUFFER
Buffered Output Voltage - Internal Reference VREFOUT IREFOUT = 20mA,
VMSET/MODE = HIGH,
0.585 0.6V 0.615
V
CREFOUT = 2.2µF, TA = -40°C to +85°C
Buffered Output Voltage - External Reference
VREFOUT
VREFIN = 1.25V, IREFOUT = 20mA,
VMSET/MODE = HIGH,
CREFOUT = 2.2µF
Vrefin
-
Vrefin
V
-0.01
+0.01
Current Drive Capability
CREFOUT = 2.2µF
20
-
-
mA
VOLTAGE MARGINING
Voltage Margining Range (Note 7)
-10
+10
%
CDEL Current for Voltage Margining
-
100
-
A
Slew Time
CDEL = 0.1µF, VMSET/MODE = 330k
-
2.5
-
ms
FN9151 Rev 5.00
Feb 13, 2008
Page 7 of 20
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