ISL6439IRZ

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Intersil

SWITCHING CONTROLLER

Deep-Dive with AI

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ISL6439IRZ

Active

Intersil

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	120	$ 2.52

Description

General part information

ISL6439 Series

Buck Regulator Positive Output Step-Down DC-DC Controller IC 16-QFN (5x5)

Documents

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Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	ISL6439IRZ	ISL6439 Series

Clock Sync	False	False
Control Features	Phase Control, Enable	Phase Control, Enable, Soft Start, Frequency Control
Duty Cycle (Max) [Max]	100 %	100 %
Frequency - Switching	300 kHz	300 - 600 kHz
Function	Step-Down	Step-Down
Mounting Type	Surface Mount	Surface Mount
Number of Outputs	1	1
Operating Temperature [Max]	85 °C	70 - 85 °C
Operating Temperature [Min]	-40 °C	-40 - 0 °C
Output Configuration	Positive	Positive
Output Phases	1	1
Output Type	Transistor Driver	Transistor Driver
Package / Case	16-VQFN Exposed Pad	16-VQFN Exposed Pad, 14-SOIC
Package / Case	-	0.154 in
Package / Case	-	3.9 mm
Supplier Device Package	16-QFN (5x5)	16-QFN (5x5)
Synchronous Rectifier	True	True
Topology	Buck	Buck
Voltage - Supply (Vcc/Vdd) [Max]	3.63 V	3.63 V
Voltage - Supply (Vcc/Vdd) [Min]	2.97 V	2.97 V

ISL6439 Series

SWITCHING CONTROLLER

Part	Frequency - Switching	Supplier Device Package	Duty Cycle (Max) [Max]	Package / Case	Output Phases	Topology	Number of Outputs	Function	Operating Temperature [Max]	Operating Temperature [Min]	Output Type	Output Configuration	Mounting Type	Control Features	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Package / Case [x]	Package / Case [y]
Intersil ISL6439IRZ	300 kHz	16-QFN (5x5)	100 %	16-VQFN Exposed Pad	1	Buck	1	Step-Down	85 °C	-40 °C	Transistor Driver	Positive	Surface Mount	Enable, Phase Control	2.97 V	3.63 V
Intersil ISL6439ACR	600 kHz	16-QFN (5x5)	100 %	16-VQFN Exposed Pad	1	Buck	1	Step-Down	70 °C	0 °C	Transistor Driver	Positive	Surface Mount	Enable, Frequency Control, Phase Control, Soft Start	2.97 V	3.63 V
Intersil ISL6439AIR-T	600 kHz	16-QFN (5x5)	100 %	16-VQFN Exposed Pad	1	Buck	1	Step-Down	85 °C	-40 °C	Transistor Driver	Positive	Surface Mount	Enable, Phase Control	2.97 V	3.63 V
Intersil ISL6439CB-T	300 kHz		100 %	14-SOIC	1	Buck	1	Step-Down	70 °C	0 °C	Transistor Driver	Positive	Surface Mount	Enable, Phase Control	2.97 V	3.63 V	0.154 in	3.9 mm
Intersil ISL6439ACR-T	600 kHz	16-QFN (5x5)	100 %	16-VQFN Exposed Pad	1	Buck	1	Step-Down	70 °C	0 °C	Transistor Driver	Positive	Surface Mount	Enable, Frequency Control, Phase Control, Soft Start	2.97 V	3.63 V
Intersil ISL6439CR	300 kHz	16-QFN (5x5)	100 %	16-VQFN Exposed Pad	1	Buck	1	Step-Down	70 °C	0 °C	Transistor Driver	Positive	Surface Mount	Enable, Frequency Control, Phase Control, Soft Start	2.97 V	3.63 V
Intersil ISL6439ACB	600 kHz		100 %	14-SOIC	1	Buck	1	Step-Down	70 °C	0 °C	Transistor Driver	Positive	Surface Mount	Enable, Frequency Control, Phase Control, Soft Start	2.97 V	3.63 V	0.154 in	3.9 mm
Intersil ISL6439IBZ	300 kHz		100 %	14-SOIC	1	Buck	1	Step-Down	85 °C	-40 °C	Transistor Driver	Positive	Surface Mount	Enable, Phase Control	2.97 V	3.63 V	0.154 in	3.9 mm