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International Rectifier Electronic Components Datasheet

IR2086S Datasheet

FULL-BRIDGE DRIVER

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Data Sheet PD No.60226 revB
IR2086S(PbF)
HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE,
FULL-BRIDGE DRIVER
Features
Simple primary side control solution to enable full-bridge
Product Summary
DC-Bus Converters for 48V distributed systems with reduced
component count and board space.
VCC (max)
Frequency and dead time set by two external components
Maximum 500KHz per channel output with 50% duty cycle
Adjustable dead time 50nsec ~ 200nsec
Floating channel designed for bootstrap operation up to +100Vdc
High and low side pulse width matching to +/- 25nsec
Overcurrent protection with adjustable hiccup period.
Undervoltage lockout and internal soft start
Part also available leadfree
Voffset(max)
High/low side
output freq (fosc)
Output Current (IO)
High/low side pulse
edge matching
25V
100Vdc
500kHz
+/-1.2A
+/- 25ns
Description
The IR2086S(PbF) is a self oscillating full-bridge controller and driver IC
with 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
and maintains equal pulse widths for the high and low outputs throughout
the start up cycle. Undervoltage lockout prevents operation if Vcc is less than
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 10µs to 1s.
Package
16-Lead SOIC
Typical
VBUSS (100 VDC MAX)
Connection VCC (9 ~15V)
IR2086S VB1
RT CS HO1
DELAY VS1
CT COM2*
(Refer to Lead Assign-
ments for correct pin
configuration). This/
These diagram(s)
CT
CD**
COM1
LO1
VCC
LO2
VS2
HO2
VB2
show electrical connec-
tions only. Please refer
RSENSE
to our Application
Notes and DesignTips
for proper circuit board *COM2 must be shorted to COM1 for proper operation
layout.
**CD is optional


International Rectifier Electronic Components Datasheet

IR2086S Datasheet

FULL-BRIDGE DRIVER

No Preview Available !

IR2086S(PbF)
Absolute Maximum Ratings
VBIAS (VCC, VBS) = 12V, CL = 1000 pF, and TA = 25°C unless otherwise specified.
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 defined positive into any lead. The thermal resistance and power
dissipation ratings are measured under board mounted and still air conditions.
Symbol
VCC
VB1,2
VS1,2
VHO1,2
VLO1,2
VCT
VCS
VDELAY
dVS/dt
ICC
PD
RthJA
TJ
TS
TL
Definition
Low side supply voltage
High side floating supply voltage
High side floating supply offset voltage
High side floating output voltage
Low side output voltage
CT pin voltage
Cs pin voltage
Delay pin voltage
Allowable offset voltage slew rate
Supply current
Package power dissipation
(16-lead SOIC)
Thermal resistance, junction to ambient (16-lead SOIC)
Junction temperature
Storage temperature
Lead temperature (soldering, 10 seconds)
Min.
-0.3
-0.3
VB1,2 - 25
VB1,2 - 0.3
-0.3
-0.3
-0.3
-0.3
-50
-55
-55
Max.
25
150
VB1,2 + 0.3
VB1,2 + 0.3
VCC + 0.3
VCC + 0.3
VCC + 0.3
VCC + 0.3
+50
40
1.0
200
150
150
300
Units
Vdc
V/ns
mA
W
°C/W
°C
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
Symbol
VB1,2
VS1,2
VCC
ICC
RT
CT
fmax
Tj
Definition
High side floating supply voltage
Steady state high side floating supply offset voltage
Supply voltage
Supply current
Timing resistor
Timing capacitor
Operating frequency (per channel)
Junction temperature
Min.
9.5
-5
9.5
10
47
-40
Max.
15
100
15
1
100
1000
500
125
Units
Vdc
mA
Kohms
pF
KHz
°C
Note1: Care should be taken to avoid output switching conditions where the Vs node flies inductively below ground by
more than 5V.
2 www.irf.com


Part Number IR2086S
Description FULL-BRIDGE DRIVER
Maker International Rectifier
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IR2086S Datasheet PDF






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