Integrated Circuits (ICs)

ISL9021AIRUFZ-T

Obsolete

Renesas Electronics Corporation

250MA SINGLE LDO WITH LOW IQ, LOW NOISE AND HIGH PSRR LDO

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DocumentsISL9021A Datasheet

Integrated Circuits (ICs)

ISL9021AIRUFZ-T

Obsolete

Renesas Electronics Corporation

250MA SINGLE LDO WITH LOW IQ, LOW NOISE AND HIGH PSRR LDO

Deep-Dive with AI

DocumentsISL9021A Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ISL9021AIRUFZ-T

Control Features	Enable
Current - Output	250 mA
Current - Quiescent (Iq)	50 çA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	6-UFDFN
Protection Features	Over Temperature, Short Circuit, Over Current, Reverse Polarity, Soft Start
Supplier Device Package	6-UTDFN (1.6x1.6)
Voltage - Input (Max) [Max]	5.5 V
Voltage - Output (Min/Fixed)	2.5 V
Voltage Dropout (Max) [Max]	0.25 V

ISL9021A Series

250mA Single LDO with Low IQ, Low Noise and High PSRR LDO

Part	Current - Quiescent (Iq)	Number of Regulators	Current - Output	Supplier Device Package	Mounting Type	Output Configuration	Control Features	Protection Features	Package / Case	Voltage - Output (Min/Fixed)	Voltage - Input (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Output Type	Voltage Dropout (Max) [Max]
Renesas Electronics Corporation ISL9021AIRUCZ-T7A	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	1.8 V	5.5 V	85 °C	-40 °C	1.81 mOhm
Renesas Electronics Corporation ISL9021AIRUCZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	1.8 V	5.5 V	85 °C	-40 °C	1.81 mOhm
Renesas Electronics Corporation ISL9021AIRUFZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	2.5 V	5.5 V	85 °C	-40 °C	1.81 mOhm	0.25 V
Renesas Electronics Corporation ISL9021AIIFZ-T	50 çA	1	250 mA	1.16x0.98 4-WLCSP	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start		2.5 V	5.5 V	85 °C	-40 °C	1.81 mOhm	0.25 V
Renesas Electronics Corporation ISL9021IRUBZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	1.5 V	5.5 V	85 °C	-40 °C	1.81 mOhm
Renesas Electronics Corporation ISL9021AIRUMZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN		5.5 V	85 °C	-40 °C	1.81 mOhm	0.25 V
Renesas Electronics Corporation ISL9021IRURZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	2.6 V	5.5 V	85 °C	-40 °C	1.81 mOhm	0.25 V
Renesas Electronics Corporation ISL9021IRUKZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	2.85 V	5.5 V	85 °C	-40 °C	1.81 mOhm	0.25 V
Renesas Electronics Corporation ISL9021AIRUMZ-T7A	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN		5.5 V	85 °C	-40 °C	1.81 mOhm	0.25 V
Renesas Electronics Corporation ISL9021AIRUWZ-T	50 çA	1	250 mA	6-UTDFN (1.6x1.6)	Surface Mount	Positive	Enable	Over Current Over Temperature Reverse Polarity Short Circuit Soft Start	6-UFDFN	1.2 V	5.5 V	85 °C	-40 °C	1.81 mOhm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.60
		10	$ 1.43
		25	$ 1.36
		100	$ 1.11
		250	$ 1.04
		500	$ 0.92
		1000	$ 0.73

Description

General part information

ISL9021A Series

The ISL9021A is a single LDO, which provides high performance, low input voltage and high PSRR. It delivers guaranteed continuous 250mA load current and is stable with 1µF to 4. 7µF of output capacitance (±30%) with an ESR range of 5mΩ to 400mΩ. The input voltage range for the ISL9021A is between 1. 5V to 5. 5V and the output voltage comes in many fixed voltage options with ±1. 8% accuracy over-temperature, line and load ranges. The ISL9021A has typical PSRR of 75dB @ 10kHz and 50dB @ 1MHz. The reverse current protection feature prevents current from flowing back to the power source when the output voltage is pulled higher than the input. The ISL9021A is offered in tiny 4-bump 0. 975mmx1. 155mm WLCSP and 1. 6mmx1. 6mm 6 Ld µTDFN packages.

Documents

Technical documentation and resources

ISL9021A Datasheet

Datasheet