ISL6551AB

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Intersil

DUAL SWITCHING CONTROLLER

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ISL6551AB

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	100	$ 3.02

Description

General part information

ISL6551 Series

Full-Bridge, Push-Pull Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 28-SOIC

Documents

Technical documentation and resources

No documents available

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	ISL6551AB	ISL6551 Series

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