ISL9012IRCCZ-T

Current - Output:	150mA, 300mA
Base Part Number:	ISL9012
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Soft Start, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	70dB ~ 40dB (1kHz ~ 100kHz), 70dB ~ 40dB (1kHz ~ 100kHz)
Current - Supply (Max):	60µA
Current - Quiescent (Iq):	40µA
Series:	--
Voltage Dropout (Max):	-, -
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 1.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

ISL9012IRCCZ-T is a linear voltage regulator PMIC (power management integrated circuit) from Intersil. It is designed to provide reliable supply voltages for portable electronic devices. The device is designed to reduce the risk of component aging and device failure due to its low-cost design and protection circuitry. The integrated 3.3V and 5V DC-DC buck regulators are suitable for battery operated devices such as smart phones, digital cameras, gaming devices and other portable consumer products.

Application Field

ISL9012IRCCZ-T is ideal for providing low noise and stable voltage supplies for customer electronics products where space is a premium. It provides an output voltage range of 2.8 to 5.5V, and is designed for applications that require a low quiescent current, such as portable devices, battery-backed systems and digital cameras. The device is also suitable for providing low noise and stable voltage supplies for other applications such as microprocessor-based systems; embedded systems; test & measurement instruments; automotive controllers; and memory applications. The device’s low quiescent current and fast transient response make it well-suited for portable design requirements.

Working Principle

The ISL9012IRCCZ-T is a linear voltage regulator that employs a switched-mode converter to regulate output voltage. The device can switch between two different converter modes to satisfy the current and output voltage requirements of the load. In continuous conduction mode (CCM), the device uses analog-to-digital control technology for configurable control parameters such as frequency, permissible peak current, and allowable time for switching operation. In pulse frequency modulation (PFM) mode, the circuit employs pulse-density modulation (PDM) to provide a low output noise, fast transient response, and high load current efficiency. The LED driver integrated on the device is designed to drive LEDs with up to one amp of current up to 20V small outline surface mount LEDs. This LED driver has a built-in switch discharge, a brown-out logic circuit, and an over temperature protection circuit. The device also features integrated over current protection and current sense amplifier to allow protection against operating in an overload condition.

Conclusion

The ISL9012IRCCZ-T is a low-cost, highly configurable linear voltage regulator PMIC (power management integrated circuit) from Intersil. It is designed to provide reliable supply voltages for portable electronic devices while remaining cost-effective, and also features a range of protection features to prevent over current, over temperature and brown-out conditions. The device is suitable for battery powered applications such as smartphones, digital cameras, and other portable consumer products, and also for other lower voltage applications such as microcontroller-based systems, embedded systems, and automotive control systems. The device is designed with a switched-mode converter for controllable current and output voltage, and a LED driver for small-outline surface-mount LED drive.

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