ISL6420 Intersil Corporation, ISL6420 Datasheet - Page 5

• Manufacturer Part Number: ISL6420
• Description: Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Bias Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+18V
BOOT and Ugate Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +24V
ESD Classification
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
Electrical Specifications
VIN SUPPLY
Input Voltage Range
VIN SUPPLY CURRENT
Shutdown Current (Note 4)
Operating Current (Notes 4, 5)
VCC5 SUPPLY (Notes 5, 6)
Input Voltage Range
Output Voltage
Maximum Output Current
POWER-ON RESET
Rising V
Falling V
UVLO Threshold Hysteresis
PWM CONVERTERS
Output Voltage (Note 7)
Maximum Duty Cycle
Minimum Duty Cycle
FB pin bias current
Undervoltage Protection
Overvoltage Protection
1. All voltages are with respect to GND.
2. θ
3. For θ
Human Body Model (Per MIL-STD-883 Method 3015.7) . . 1500V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . 2000V
Tech Brief TB379.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
CC5
JC
CC5
, the “case temp” location is the center of the exposed metal pad on the package underside.
Threshold
Threshold
PARAMETER
5
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
(Note 1)
SYMBOL
V
V
OVP1
UV1
ENSS = GND
VIN = VCC5 for 5V configuration
VIN = 5.6V to 16V, I
VIN = 12V
VIN connected to VCC5, 5V input
operation
F = 300kHz
F = 300kHz
Fraction of the set point; ~3µs noise filter
Fraction of the set point; ~1µs noise filter
ISL6420
TEST CONDITIONS
Thermal Information
Thermal Resistance (Typical)
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Ambient Temperature Range. . . . . . . . . -40°C to 85°C (for “I” suffix)
Junction Temperature Range. . . . . . . . . . . . . . . . . . . -40°C to 125°C
QFN Package (Notes 2, 3) . . . . . . . . .
L
= 3mA to 50mA
CC
shorted with V
MIN
4.32
4.09
0.16
112
5.6
4.5
4.5
0.6
50
90
75
-
-
-
-
CC5
TYP
1.4
2.0
5.0
5.0
4.4
4.1
12
96
80
-
-
-
-
-
-
, T
θ
JA
A
(°C/W)
47
= 25°C
V
IN
MAX
4.45
4.25
120
3.0
5.5
5.5
16
85
0
-
-
-
-
-
- 0.5
θ
JC
UNITS
8.5
(°C/W)
mA
mA
mA
nA
%
%
%
%
V
V
V
V
V
V
V