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ISL2110 Datasheet

High Frequency Half-Bridge Drivers

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DATASHEET
ISL2110, ISL2111
100V, 3A/4A Peak, High Frequency Half-Bridge Drivers
FN6295
Rev.7.00
Mar 16, 2017
The ISL2110, ISL2111 are 100V, high frequency, half-bridge
N-Channel power MOSFET driver ICs. They are based on the
popular HIP2100, HIP2101 half-bridge drivers, but offer
several performance improvements. Peak output
pull-up/pull-down current has been increased to 3A/4A, which
significantly reduces switching power losses and eliminates
the need for external totem-pole buffers in many applications.
Also, the low end of the VDD operational supply range has
been extended to 8VDC. The ISL2110 has additional input
hysteresis for superior operation in noisy environments and the
inputs of the ISL2111, like those of the ISL2110, can now
safely swing to the VDD supply rail.
Related Literature
• For a full list of related documents, visit our website
- ISL2110, ISL2111 product pages
Applications
• Telecom half-bridge DC/DC converters
• Telecom full-bridge DC/DC converters
• Two-switch forward converters
• Active-clamp forward converters
• Class-D audio amplifiers
Features
• Drives N-Channel MOSFET half-bridge
• SOIC, DFN, and TDFN package options
• SOIC, DFN, and TDFN packages compliant with 100V
conductor spacing guidelines per IPC-2221
• Pb-free (RoHS compliant)
• Bootstrap supply max voltage to 114VDC
• On-chip 1W bootstrap diode
• Fast propagation times for multi-MHz circuits
• Drives 1nF load with typical rise/fall times of 9ns/7.5ns
• CMOS compatible input thresholds (ISL2110)
• 3.3V/TTL compatible input thresholds (ISL2111)
• Independent inputs provide flexibility
• No start-up problems
• Outputs unaffected by supply glitches, HS ringing below
ground or HS slewing at high dv/dt
• Low power consumption
• Wide supply voltage range (8V to 14V)
• Supply undervoltage protection
• 1.6W/1W typical output pull-up/pull-down resistance
+12V
VDD
HB
HI
PWM
CONTROLLER
LI
DRIVE
HI
DRIVE
LO
ISL2110
ISL2111
VSS
HO
HS
LO
+100V
SECONDARY
CIRCUIT
REFERENCE
AND
ISOLATION
FIGURE 1. APPLICATION BLOCK DIAGRAM
FN6295 Rev.7.00
Mar 16, 2017
Page 1 of 15


Renesas Electronics Components Datasheet

ISL2110 Datasheet

High Frequency Half-Bridge Drivers

No Preview Available !

ISL2110, ISL2111
Functional Block Diagram
VDD
HI
UNDER
VOLTAGE
ISL2111
LEVEL SHIFT
DRIVER
HB
HO
HS
LI
VSS
ISL2111
UNDER
VOLTAGE
DRIVER
LO
EPAD (DFN Package Only)
*EPAD = Exposed Pad. The EPAD is electrically isolated from all other pins. For best
thermal performance, connect the EPAD to the PCB power ground plane.
FIGURE 2. FUNCTIONAL BLOCK DIAGRAM
FN6295 Rev.7.00
Mar 16, 2017
Page 2 of 15


Part Number ISL2110
Description High Frequency Half-Bridge Drivers
Maker Renesas
Total Page 15 Pages
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1 ISL2110 High Frequency Half-Bridge Drivers
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2 ISL2111 High Frequency Half-Bridge Drivers
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