ISL78420_15 Datasheet, PDF (15/18 Pages) Intersil Corporation – 100V, 2A Peak, Half-Bridge Driver with Tri-Level PWM Input and Adjustable Dead-Time

ISL78420
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web to make sure you
have the latest revision.
DATE
REVISION
CHANGE
November 6, 2014
FN8296.3
Removed all references to 9 Ld TDFN (ISL78420ARTBZ) part as it is EOL.
Page 1
1.Updated Figure 1 with new block diagram for focused applications.
Page 2
1.Updated Block Diagram on page 2. Changed internal reference from 5.0V to 6.1V. Changed PWM pin pull-up
resistor from 100kΩ to 235kΩ. Changed PWM pin pull-down resistor from 100kΩ to 165kΩ. Changed EN pin
pull-up 210kΩ resistor to 210kΩ pull-down resistor. This is to correct previous datasheet revision error. Not a
functional change to the die.
2.Added ISL78420AVEZ 14 Ld HTSSOP package pin out diagram.
3.ISL78420ARTAZ Pin Configuration watermarked "NOT RECOMMENDED FOR NEW DESIGNS".
Page 3
1.Pin Description Table updated with 14 Ld HTSSOP package.
2.Ordering Information table added ISL78420AVEZ 14 Ld HTSSOP package.
3.Ordering Information table: ISL78420ARTAZ part include: "NOT RECOMMENDED FOR NEW DESIGNS"
4.Updated Note 4 from ““B” package option has alternate pin assignments for compliance with 100V Conductor
Spacing Guidelines per IPC-2221. Note that Pin 2 is omitted
for additional spacing between pins 1 and 3.” to “These packages meet compliance with 100V Conductor Spacing
Guidelines per IPC-2221.”
Page 4
1.Maximum Recommended Operating Condition update section:
a.On Voltage on HB removed the line VDD-1V to VDD+100V. This verbiage is clarified with Note 6.
2.Thermal Information section:
a.Added 14 Ld HTSSOP data to Thermal Resistance table
b.Added 14 Ld HTSSOP data to Max Power Dissipation at +25°C table
3.ESD Ratings section update:
a.Changed Human Body Model from 3000V to 2000V
b.Removed Machine Model ESD rating specification
4.Notes section for Abs Max Section update:
a.Removed note 5 "The ISL78420 is capable of derated operation at supply voltages exceeding 14V. Figure 17
shows the high-side voltage derating curve for this mode of operation". Added new Note 6 "The operating voltage
from HB to GND is the sum of VDD and the HS voltage. The maximum operating voltage from HB to GND is
recommended to be under 114V.
b.Added Note 9: "Specified at published junction to ambient thermal resistance for a junction temperature of
150°C." to reference Max Power Dissipation at +25°C.
5.Electrical Specifications Test Conditions:
a.Added test condition: EN = 12V
b.Removed test condition RDT = 0k
c.Removed test condition PWM = 0V
6.VDD Quiescent Current
a.Added in under Test Condition PWM = 12V
7.Total HB Quiescent Current
a.Changed LI = HI = 0V to PWM = EN = 0V
8.HB to VSS Current, Quiescent
a.Changed from LI = HI = 0V; VHB = VHS = 114V to PWM = EN = 0V; VHB = VHS = 100V
9.HB to VSS Current, Operating
a.Change from VHB = VHS = 114V to VHB = VHS = 100V
10.Tri-Level PWM Input: High Level Threshold Full Temperature limit changed from MAX = 4.3V to MAX = 4.1V.
11.Added in verbiage to Middle Level Range for clarity
12.Updated PWM Tri-Level pull-up Resistors
a.Split into two rows: pull-up resistor 235kΩ. Pull-down resistor 165kΩ.
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FN8296.3
November 6, 2014