ISL6551IR-T

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Intersil

DUAL SWITCHING CONTROLLER

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ISL6551IR-T

Active

Intersil

DUAL SWITCHING CONTROLLER

Deep-Dive with AI

Specifications Pricing Series Description Documents

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	92	$ 3.27

Description

General part information

ISL6551 Series

Full-Bridge Regulator Positive, Isolation Capable Output Step-Up/Step-Down DC-DC Controller IC 28-QFN (6x6)

Documents

Technical documentation and resources

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Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	ISL6551IR-T	ISL6551 Series

Clock Sync	False	False, True
Control Features	Enable, Dead Time Control, Current Limit, Soft Start	Enable, Dead Time Control, Current Limit, Soft Start, Sync, Ramp
Duty Cycle (Max) [Max]	50 %	50 %
Frequency - Switching [Max]	500 kHz	1 - 500 kHz
Frequency - Switching [Min]	50 kHz	50 kHz
Function	Step-Up/Step-Down	Step-Up/Step-Down
Mounting Type	Surface Mount	Surface Mount
Number of Outputs	1	1 - 2
Operating Temperature [Max]	85 C	85 - 105 C
Operating Temperature [Min]	0 °C	-40 - 0 °C
Output Configuration	Positive, Isolation Capable	Positive, Isolation Capable
Output Phases	1	1
Output Type	Transistor Driver	Transistor Driver
Package / Case	28-VQFN Exposed Pad	28-VQFN Exposed Pad, 28-SOIC
Package / Case	-	0.295 in
Package / Case	-	7.5 mm
Supplier Device Package	28-QFN (6x6)	28-QFN (6x6), 28-SOIC
Synchronous Rectifier	True	True
Topology	Full-Bridge	Full-Bridge, Push-Pull
Voltage - Supply (Vcc/Vdd) [Max]	13.2 V	13.2 V
Voltage - Supply (Vcc/Vdd) [Min]	10.8 V	10.8 V

ISL6551 Series

DUAL SWITCHING CONTROLLER

Part	Frequency - Switching [Max]	Frequency - Switching [Min]	Mounting Type	Output Configuration	Function	Control Features	Output Phases	Duty Cycle (Max) [Max]	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Topology	Package / Case	Output Type	Number of Outputs	Package / Case [x]	Package / Case [y]
Intersil ISL6551IR	500 kHz	50 kHz	Surface Mount	Isolation Capable, Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Soft Start	1	50 %	0 °C	85 C	28-QFN (6x6)	10.8 V	13.2 V	Full-Bridge	28-VQFN Exposed Pad	Transistor Driver	1
Intersil ISL6551AB-T	1 MHz		Surface Mount	Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync	1	50 %	-40 °C	105 °C	28-SOIC	10.8 V	13.2 V	Full-Bridge, Push-Pull	28-SOIC	Transistor Driver	2	0.295 in	7.5 mm
Intersil ISL6551IR-T	500 kHz	50 kHz	Surface Mount	Isolation Capable, Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Soft Start	1	50 %	0 °C	85 C	28-QFN (6x6)	10.8 V	13.2 V	Full-Bridge	28-VQFN Exposed Pad	Transistor Driver	1
Intersil ISL6551ABZ	500 kHz	50 kHz	Surface Mount	Isolation Capable, Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Soft Start	1	50 %	-40 °C	105 °C	28-SOIC	10.8 V	13.2 V	Full-Bridge	28-SOIC	Transistor Driver	1	0.295 in	7.5 mm
Intersil ISL6551AB	1 MHz		Surface Mount	Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync	1	50 %	-40 °C	105 °C	28-SOIC	10.8 V	13.2 V	Full-Bridge, Push-Pull	28-SOIC	Transistor Driver	2	0.295 in	7.5 mm
Intersil ISL6551AR	1 MHz		Surface Mount	Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync	1	50 %	-40 °C	105 °C	28-QFN (6x6)	10.8 V	13.2 V	Full-Bridge, Push-Pull	28-VQFN Exposed Pad	Transistor Driver	2
Intersil ISL6551AR-T	1 MHz		Surface Mount	Positive	Step-Up/Step-Down	Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync	1	50 %	-40 °C	105 °C	28-QFN (6x6)	10.8 V	13.2 V	Full-Bridge, Push-Pull	28-VQFN Exposed Pad	Transistor Driver	2