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IR2086-IR2086STR
High Speed 100V Self Oscillating 50% Duty Cycle Full Bridge High and Low Side Driver in a 16-lead SOIC package
l n te rn C ti (D n C) I Data Sheet PD No.60226 revB
ISBR Rectifier IR2086S(PbF)
HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE,
FULL-BRIDGE DRIVER
Features P d t S
q Simple primary side control solution to enable full-bridge ro uc ummary
DC-Bus Converters for 48V distributed systems with reduced V 25V
component count and board space. CC (max)
q Crgy,,r,",,hr1te, tim: set , two 't''vtLnt/'C1,1u''trg2, offset(max) 100VdC
o aximum Z per c anne output wit o uty cycle . .
q Adjustable dead time 50nsec - 200nsec High/low side
q Floating channel designed for bootstrap operation up to +1OOVdc output freq (fosc) SOOKHZ
q High and low side pulse width matching to +/- 25nsec Output Current (IO) +/-1.2A
o Overcurrent protection wnth adjustable hiccup period. High/low side pulse
q Undervoltage lockout and internal soft start .
q Part also available leadfree edge matching " 25ns
Description
The IR2086S(PbF) is a self oscillating full-bridge controller and driver IC Package
with 50% duty cycle ideally suited for 36V-75V full-bridge DC Bus
Converters.
Dead time can be controlled through proper selection of Cr and can range .
from 50 to 200nsec. Internal soft start increases pulse width on power up “kg” “N,
and maintains equal pulse widths for the high and low outputs throughout "tiii/css''''
the start up cycle. Undervoltage lockout prevents operation if Vcc is less than V PK
7.5 Vdc. Over current shutdown occurs when the voltage on the Cs pin
exceeds 200mV. Restart after overcurrent trip can be delayed by adjusting 16-Lead SOIC
the external capacitor. The delay time ranges from lows to Is.
Typical VBUSS(100 VOC MAX)
Connection VCC (9-15V)
IR2088S VBI
cs H01
DELAY VSI
CT COM2
. cow L02
(Refer to Lead Assign- L01 VS2
ments for correct pin VCC H02
configuration). This/ v32
These diagram(s)
show electrical connec-
tions only. Please refer
to our Application
Notes and DesignTips
for proper circuit board "COM2 must be shorted to COM1 for proper operation
layout. "CD is optional
IR2086S(PbF)
Absolute Maximum Ratings
VBIAS NCC, VBS) = 12V, CL = 1000 pF, and TA = 25°C unless otherwise specified.
International
TOR Rectifier
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters
are absolute voltages referenced to COM. All currents are deMed positive into any lead. The thermal resistance and power
dissipation ratings are measured under board mounted and still air conditions.
Symbol Definition Min. Max. Units
Vcc Low side supply voltage -0.3 25
V312 High side floating supply voltage -O.3 150
V312 High side floating supply offset voltage V312 - 25 V312 + 0.3
VH01,2 High side floating output voltage V512 - 0.3 V312 + 0.3 Vdc
VLO1.2 Low side output voltage -0.3 Vcc + 0.3
VCT CT pin voltage -O.3 VCC + 0.3
1/cs Cs pin voltage -0.3 Vcc + 0.3
VDELAY Delay pin voltage -O.3 Vcc + 0.3
dl/s/dt Allowable offset voltage slew rate -50 +50 V/ns
ICC Supply current - 40 mA
PD Package power dissipation (16-Iead SOIC) - 1.0 w
RthJA Thermal resistance, junction to ambient (16-Iead SOIC) - 200 ''C/W
TJ Junction temperature -55 150
Ts Storage temperature -55 150 °C
TL Lead temperature (soldering, 10 seconds) - 300
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol Definition Min. Max. Units
VB1,2 High side floating supply voltage 9.5 15
VS1,2 Steady state high side Mating supply offset voltage -5 100 Vdc
Vcc Supply voltage 9.5 15
ICC Supply current - 1 mA
RT Timing resistor 10 100 Kohms
CT Timing capacitor 47 1000 pF
fmax Operating frequency (per channel) - 500 KHz
Tj Junction temperature -40 125 °C
Note1: Care should be taken to avoid output switching conditions where the Vs node flies inductively below ground by
more than 5V.
