-
Mr.PatrickQuick response and full understanding of customer needs, good service attitude, we agree with your service.
-
Mr.HarrisonSerious service attitude, as well as high quality products deserve everyone's trust.
-
AnnaThis is a perfect purchase. Your company's ability to offer competitive prices and quality products is very impressive.
ISL91127IRAZ-T Buck Boost Switching Regulator IC 1V 1 Output 2A Power IC Chip
Contact me for free samples and coupons.
Whatsapp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Number | ISL91127IRAZ-T | Category | Voltage Regulators - DC DC Switching Regulators |
---|---|---|---|
Frequency - Switching | 2.5MHz | Synchronous Rectifier | Yes |
Manufacturer | Renesas Electronics America Inc | Operating Temperature | -40°C ~ 85°C (TA) |
Function | Step-Up, Step-Down | Mounting Type | Surface Mount |
Output Configuration | Positive | Package / Case | 20-VFQFN Exposed Pad |
Topology | Buck-Boost | Base Product Number | ISL91127 |
Output Type | Adjustable (Fixed) | Number Of Outputs | 1 |
Voltage - Input (Min) | 1.8V | Voltage - Input (Max) | 5.5V |
Voltage - Output (Min/Fixed) | 1V | Voltage - Output (Max) | 5.2V |
Current - Output | 2A | ||
High Light | ISL91127IRAZ-T,1V Power IC Chip,2A Power IC Chip |
Category | Voltage Regulators - DC DC Switching Regulators |
Mfr | Renesas Electronics America Inc |
Product Status | Active |
Function | Step-Up, Step-Down |
Output Configuration | Positive |
Topology | Buck-Boost |
Output Type | Adjustable (Fixed) |
Voltage - Input (Min) | 1.8V |
Voltage - Input (Max) | 5.5V |
Voltage - Output (Min/Fixed) | 1V |
Voltage - Output (Max) | 5.2V |
Current - Output | 2A |
Frequency - Switching | 2.5MHz |
Synchronous Rectifier | Yes |
Operating Temperature | -40°C ~ 85°C (TA) |
Mounting Type | Surface Mount |
Package / Case | 20-VFQFN Exposed Pad |
Supplier Device Package | 20-QFN (4x4) |
Base Product Number | ISL91127 |
The ISL91127IR is a high-current buck-boost switching regulator for systems using new 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 ISL91127IR is capable of delivering at least 2A continuous output current (VOUT = 3.3V) over a battery voltage range of 2.5V to 4.35V. 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 30µA optimize efficiency under all load conditions.
The ISL91127IR supports stand-alone applications with a fixed 3.3V or 3.5V output voltage or adjustable output voltage with an external resistor divider. Output voltages as low as 1.0V or as high as 5.2V are supported.
The ISL91127IR is available in a 20 Ld, 0.5mm pitch QFN (4mmx4mm) package. The 2.5MHz switching frequency further reduces the size of external components.
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 2A (PVIN = 2.5V, VOUT = 3.3V)
• High efficiency: up to 96%
• 30µA quiescent current maximizes light-load efficiency
• 2.5MHz switching frequency minimizes external component size
• Fully protected for short-circuit, over-temperature and undervoltage
• 20 Ld 4mmx4mm QFN package
Applications
• Handheld and battery powered consumer and medical devices
• Brownout free system voltage for smartphones and tablet PCs
• Wireless communication devices
• 2G/3G/4G RF power amplifiers