ISL6420 Intersil Corporation, ISL6420 Datasheet - Page 7
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ISL6420
Manufacturer Part Number
ISL6420
Description
Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
Manufacturer
Intersil Corporation
Datasheet
1.ISL6420.pdf
(17 pages)
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Electrical Specifications
NOTES:
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
ISET1 on FB Pin
ISET2 on FB Pin
THERMAL SHUTDOWN
Shutdown Temperature (Note 7)
Thermal Shutdown Hysteresis (Note 7)
4. The operating supply current and shutdown current specifications for 5V input are the same as VIN supply current specifications, i.e., 5.6V to
5. This is the V
6. When the input voltage is 5.6V to 16V at VIN pin, the VCC5 pin provides a 5V output capable of 50mA (max) total from the internal LDO. When
7. Guaranteed by design. Not production tested.
16V input conditions. These should also be tested with part configured for 5V input configuration, i.e., VIN = VCC5 = PVCC = 5V.
the input voltage is 5V, VCC5 pin will be used as a 5V input, the internal LDO regulator is disabled and the VIN must be connected to the VCC5.
In both cases the PVCC pin should always be connected to VCC5 pin. (Refer to the Pin Descriptions sections for more details.)
PARAMETER
CC
current consumed when the device is active but not switching. Does not include gate drive current.
7
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
V
V
SYMBOL
REFOUT
REFOUT
VMSET/MODE = H, C
I
VMSET/MODE = HIGH,
C
V
VMSET2/MODE = HIGH,
C
C
CDEL = 0.1µF, VMSET = 330kΩ
VMSET = 330K,
GPIO1 = L
GPIO2 = H
GPIO1 = H
GPIO2 = L
REFOUT
VMSET = 330K,
REFIN
REFOUT
REFOUT
REFOUT
ISL6420
= 1.25V, I
= 20mA,
TEST CONDITIONS
= 2.2µF, T
= 2.2µF
= 2.2µF
REFOUT
A
REFOUT
= -40°C to 85°C
= 20mA,
= 2.2µF
CC
shorted with V
Vrefin
0.585
-0.01
MIN
0.6
-10
20
-
-
-
-
-
-
CC5
TYP
0.6V
7.48
7.48
100
150
2.5
20
-
-
-
, T
A
= 25°C (Continued)
Vrefin
0.615
+0.01
MAX
1.25
+10
-
-
-
-
-
-
-
UNITS
mA
ms
µA
µA
µA
°C
°C
%
V
V
V