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IRS2113SPBF , HIGH AND LOW SIDE DRIVER
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IR2086S
HIGH SPEED/ 100V/ SELF OSCILLATING 50% DUTY CYCLE/ FULL-BRIDGE DRIVER
ln te rn C ti (D n C) I Data Sheet PD No.60226
ISZR (iuctifier IR2086S
HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE,
FULL-BRIDGE DRIVER
Features Product Summary
q Simple primary side control solution to enable full-bridge
DC-Bus Converters for 48V distributed systems with reduced Vcc (max) 25V
component count and board space. 100VdC
q Frequency and dead time set by two external components t's.et(yax) .
q Maximum 500KHz per channel output with 50% duty cycle High/low side
q Adjustable dead time 50nsec .- 200nsec output freq (fosc) SOOKHZ
q Floating channel designed for bootstrap operation up to +100Vdc Output Current (lo) +/-1.2A
q High and low side pulse width matching to +/- 25nsec Hi h/low side ulse
o Overcurrent protection with adjustable hiccup period. lg . p
O Undervoltage lockout and internal soft start edge matching +/- 25ns
Description
The IR2086S is a self oscillating full-bridge controller and driver IC with Package
50% duty cycle ideally suited for 36V-75V full-bridge DC Bus Converters.
Dead time can be controlled through proper selection of CT and can range
from 50 to 200nsec. Internal soft start increases pulse width on power up Ri)
and maintains equal pulse widths for the high and low outputs throughout ''ctiif,ii., '
the start up cycle. Undervoltage lockout prevents operation if Vcc is less than d' /
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
the external capacitor. The delay time ranges from 10ps to Is.
16-Lead SOIC
Typical VBUSS (100 VDC MAX)
Connection VCC (9 -15V)
IR2086S VB1
CS H01
DELAY VS1
CT COM2'
com L02
(Refer to Lead Assign-
ments for correct pin VCC H02
configuration). This/ VB2
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
L01 V82
IR2086S
Absolute Maximum Ratings
VBIAS (VCC, V33) = 12V, CL = 1000 pF, and TA = 25°C unless otherwise specmed.
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 -O.3 25
V312 High side floating supply voltage -0.3 150
V312 High side Mating supply offset voltage V312 - 25 V312 + 0.3
VHO1,2 High side floating output voltage V312 - 0.3 V312 + 0.3 Vdc
VLO1,2 Low side output voltage -0.3 Vcc + 0.3
VCT CT pin voltage -0.3 Vcc + 0.3
VCS Cs pin voltage -0.3 VCC + 0.3
VDELAY Delay pin voltage -0.3 Vcc + 0.3
dVs/dt Allowable offset voltage slew rate -50 +50 V/ns
ICC Supply current - 40 mA
PD Package power dissipation (16-lead SOIC) - 1.0 W
Rth Thermal resistance, junction to ambient (16-Iead SOIC) - 200 °CNV
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 floating 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.
