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ISL9110

Renesas
Part Number ISL9110
Manufacturer Renesas
Description 1.2A High Efficiency Buck-Boost Regulators
Published Jul 4, 2018
Detailed Description ISL9110, ISL9112 1.2A High Efficiency Buck-Boost Regulators The ISL9110 and ISL9112 are highly-integrated buck-boost swi...
Datasheet PDF File ISL9110 PDF File

ISL9110
ISL9110

Overview
ISL9110, ISL9112 1.
2A High Efficiency Buck-Boost Regulators The ISL9110 and ISL9112 are highly-integrated buck-boost switching regulators that accept input voltages either above or below the regulated output voltage.
Unlike other Buck-Boost regulators, these regulators automatically transition between operating modes without significant output disturbance.
Both parts are capable of delivering up to 1.
2A output current, and provide excellent efficiency due to their fully synchronous 4-switch architecture.
No-load quiescent current of only 35µA also optimizes efficiency under light-load conditions.
Forced PWM and/or synchronization to an external clock may also be selected for noise sensitive applications.
The ISL9110 is designed for standalone applications and supports 3.
3V and 5V fixed output voltages or variable output voltages with an external resistor divider.
Output voltages as low as 1V, or as high as 5.
2V are supported using an external resistor divider.
The ISL9112 supports a broader set of programmable features that may be accessed using an I2C bus interface.
With a programmable output voltage range of 1.
9V to 5V, the ISL9112 is ideal for applications requiring dynamically changing supply voltages.
A programmable slew rate can be selected to provide smooth transitions between output voltage settings.
The ISL9110 and ISL9112 require only a single inductor and very few external components.
Power supply solution size is minimized by a tiny 3mmx3mm package and a 2.
5MHz switching frequency, which further reduces the size of external components.
DATASHEET FN7649 Rev.
3.
00 Jul 26, 2018 Features • Accepts input voltages above or below regulated output voltage • Automatic and seamless transitions between Buck and Boost modes • Input voltage range: 1.
8V to 5.
5V • Output current: Up to 1.
2A • High efficiency: Up to 95% • 35µA quiescent current maximizes light-load efficiency • 2.
5MHz switching frequency minimizes external component size • Selectable Forced PWM mode and...


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