ISL6551IR

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Intersil

DUAL SWITCHING CONTROLLER

Deep-Dive with AI

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ISL6551IR

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	Tube	56	$ 5.43

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	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