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High-Efficiency Buck-Boost Regulator with 4.5 A Switches
Renesas' high-efficiency buck-boost regulator accepts input voltages above or below regulated output voltage
Renesas' ISL91127 is a high-current, buck-boost switching regulator for systems using battery chemistries. It uses Renesas' proprietary buck-boost algorithm to maintain voltage regulation while providing excellent efficiency and very low output voltage ripple when the input voltage is close to the output voltage.
The ISL91127 is capable of delivering at least 2.1 A continuous output current (VOUT = 3.3 V) over a battery voltage range of 2.5 V to 4.35 V. This maximizes the energy utilization of advanced, single-cell. Li-ion battery chemistries that have significant capacity left at voltages below the system voltage. Its fully synchronous, low ON-resistance, 4-switch architecture and a low quiescent current of only 30 µA optimizes efficiency under all load conditions.
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High-Efficiency Buck-Boost Regulators
| Billede | Manufacturer Part Number | Beskrivelse | Tilgængeligt antal | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|
 |  | ISL91127IRAZ-T7A | IC REG BUCK BST ADJ/1V 2A 20QFN | 1820 - Immediate | $20.00 | Vis detaljer |
| | ISL91127IRNZ-T7A | IC REG BUCK BOOST 3.3V 2A 20QFN | 446 - Immediate 18750 - Factory Stock | $20.00 | Vis detaljer |
Eval Board
| Billede | Manufacturer Part Number | Beskrivelse | Tilgængeligt antal | Pris | Vis detaljer | |
|---|---|---|---|---|---|---|
|  | ISL91127IRA-EVZ | EVAL BOARD FOR ISL91127IR | 9 - Immediate | $589.59 | Vis detaljer |
|  | ISL91127IRN-EVZ | EVAL BOARD FOR ISL91127IR | 0 - Immediate 1 - Factory Stock | $589.59 | Vis detaljer |
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