ISL6558IRZ

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Intersil

SWITCHING CONTROLLER, VOLTAGE-MO

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Intersil

SWITCHING CONTROLLER, VOLTAGE-MO

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General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-QFN (5x5)

Technical documentation and resources

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Parameters and characteristics commom to parts in this series

Specification	ISL6558IRZ	ISL6558 Series

Clock Sync	False	False
Control Features	Power Good, Enable, Frequency Control	Power Good, Enable, Frequency Control, Soft Start, Phase Control
Duty Cycle (Max) [Max]	75 %	75 %
Frequency - Switching [Max]	1.5 MHz	1.5 MHz
Frequency - Switching [Min]	80 kHz	80 kHz
Function	Step-Down	Step-Down
Mounting Type	Surface Mount	Surface Mount
Number of Outputs	4	4
Operating Temperature [Max]	85 °C	70 - 85 °C
Operating Temperature [Min]	-40 °C	-40 - 0 °C
Output Configuration	Positive	Positive
Output Phases	4	4
Output Type	PWM Signal	PWM Signal
Package / Case	20-VQFN Exposed Pad	16-SOIC, 20-VQFN Exposed Pad
Package / Case	-	0.154 in
Package / Case	-	3.9 mm
Supplier Device Package	20-QFN (5x5)	16-SOIC, 20-QFN (5x5)
Synchronous Rectifier	-	True
Topology	Buck	Buck
Voltage - Supply (Vcc/Vdd) [Max]	5.25 V	5.25 V
Voltage - Supply (Vcc/Vdd) [Min]	4.75 V	4.75 V

SWITCHING CONTROLLER

Part	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Phases	Package / Case	Package / Case [x]	Package / Case [y]	Duty Cycle (Max) [Max]	Output Type	Mounting Type	Function	Supplier Device Package	Number of Outputs	Output Configuration	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Control Features	Frequency - Switching [Max]	Frequency - Switching [Min]
Intersil ISL6558IB	4.75 V	5.25 V	4	16-SOIC	0.154 in	3.9 mm	75 %	PWM Signal	Surface Mount	Step-Down	16-SOIC	4	Positive	85 °C	-40 °C	Buck	Enable, Frequency Control, Power Good	1.5 MHz	80 kHz
Intersil ISL6558IRZ	4.75 V	5.25 V	4	20-VQFN Exposed Pad			75 %	PWM Signal	Surface Mount	Step-Down	20-QFN (5x5)	4	Positive	85 °C	-40 °C	Buck	Enable, Frequency Control, Power Good	1.5 MHz	80 kHz
Intersil ISL6558CB	4.75 V	5.25 V	4	16-SOIC	0.154 in	3.9 mm	75 %	PWM Signal	Surface Mount	Step-Down	16-SOIC	4	Positive	70 °C	0 °C	Buck	Enable, Frequency Control, Power Good	1.5 MHz	80 kHz
Intersil ISL6558IBZ	4.75 V	5.25 V	4	16-SOIC	0.154 in	3.9 mm	75 %	PWM Signal	Surface Mount	Step-Down	16-SOIC	4	Positive	85 °C	-40 °C	Buck	Enable, Frequency Control, Power Good	1.5 MHz	80 kHz
Intersil ISL6558CBZ	4.75 V	5.25 V	4	16-SOIC	0.154 in	3.9 mm	75 %	PWM Signal	Surface Mount	Step-Down	16-SOIC	4	Positive	70 °C	0 °C	Buck	Enable, Frequency Control, Phase Control, Power Good, Soft Start	1.5 MHz	80 kHz
Intersil ISL6558CBZA-TS2490S1	4.75 V	5.25 V	4	16-SOIC	0.154 in	3.9 mm	75 %	PWM Signal	Surface Mount	Step-Down	16-SOIC	4	Positive	70 °C	0 °C	Buck	Enable, Frequency Control, Power Good	1.5 MHz	80 kHz