• Operating Input Voltage Range: 2.7V to 5.5V
• Output Current Limit: 250mA (TYP)
• Inverter Output Impedance: 2.3Ω at VIN = 5.5V
• Quiescent Current: 410μA (TYP)
• Low Dropout Voltage:
34mV (TYP) at IOUT = 100mA, VOUT = -5V
• Low Noise: 28μVRMS (TYP) at VIN = 5V
• Current Limit and Thermal Protection
• Shutdown Supply Current: 0.1μA (TYP)
• -40℃ to +125℃ Operating Temperature Range
• Available in a Green TDFN-2×2-8AL Package
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• Inverts and Regulates the Input Supply Voltage
• Low Output Ripple
• Shutdown Lowers Quiescent Current to 7 µA
(Typical)
• Up to 250-mA Output Current
• 2.5-Ω Inverter Output Impedance, VIN = 5 V
• ±4% Regulation at Peak Load
• 370-µA Quiescent Current
• 2-MHz (Typical) Low-Noise Fixed-Frequency Operation
• 35-dB (Typical) LDO PSRR at 2 MHz
With 80-mA Load Current
• 30-mV LDO Dropout Voltage at 100 mA,
VOUT = –5 V
• Current Limit and Thermal Protection
• Create a Custom Design Using the LM27761
With the WEBENCH® Power Designer
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