ISL6420IRZ Intersil, ISL6420IRZ Datasheet - Page 8

• 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
NOTES:
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. Limits established by characterization and are 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.
8
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
SYMBOL
VMSET/MODE = 330k,
GPIO1/REFIN = L
GPIO2 = H
GPIO1/REFIN = H
GPIO2 = L
VMSET/MODE = 330k,
ISL6420
TEST CONDITIONS
CC
shorted with V
MIN
-
-
-
-
CC5
TYP
7.48
7.48
150
20
, T
A
= +25°C (Continued)
MAX
-
-
-
-
February 13, 2008
UNITS
FN9151.5
μA
μA
°C
°C