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ISL91110IINZ-T
开关稳压器 Buck-Boost Reg with 4A Switches, 3.3V
High Efficiency Buck-Boost Regulator with 5.4A Switches
The ISL91110IINZ-T ISL91110IR is a high-current buck-boost switching regulator for systems using new battery chemistries. It uses Intersil’s 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.
Features ISL91110IINZ-T
• 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 = 3.4V, VOUT = 5V)
• Output current: up to 2A (PVIN = 2.5V, VOUT = 3.3V)
• Burst current: up to 3A (PVIN = 2.9V, VOUT = 3.3V, tON <
600μs, t = 4.6ms)
• High efficiency: up to 95%
• 35μA quiescent current maximizes light load efficiency
• 2.5MHz switching frequency minimizes external component
size
• Fully protected for short-circuit, over-temperature and
undervoltage
• Small 4mmx4mm 20 Ld TQFN package
Applications ISL91110IINZ-T
• Smartphones and tablet PCs
• Wireless communication devices
• Optical modules networking equipment
ISL91110IINZ-T
Intersil(英特矽尔)
2 A
3.3 V
1 Output
2.5 MHz