500mA, Low Noise, LDO Micropower Regulators,Replace LT1763
FEATURES

• Input Voltage Range: 2.7V to 20V

• Low Noise:

  9.3μVRMS at VOUT = 1.2V

  11μVRMS at VOUT = 2.8V

  14μVRMS at VOUT = 5.0V

• PSRR (VIN = VOUT(NOM) + 1V):

  100dB at 1kHz 83dB at 10kHz

  52dB at 100kHz   55dB at 1MHz

• Maximum Output Current: 500mA

• Output Voltage Accuracy: ±1% at +25℃

• Low Dropout Voltage:

  360mV (TYP) at 500mA Load when VOUT = 5.0V

• User Programmable Soft-Start (TDFN Package Only)

• Low Quiescent Current: 39μA (TYP)

• Shutdown Current: 1.2μA (TYP)

• Stable with a 2.2μF Ceramic Output Capacitor

• Adjustable Output from 1.2V to (VIN - VDROP), 

  Output can be Adjusted above Initial Set Point

• Reverse Current Protection when VOUT > VIN

• Foldback Current-Limit Protection when 

  VOUT is Shorted to GND

• Automatic VOUT Discharge when Disabled

• Precision Enable

• -40℃ to +125℃ Operating Temperature Range

• Available in Green TDFN-2×2-6AL and SOT-23-5 Packages

PIN CONFIGUTION
优势替代
LT1763 LT1763.pdf

No.13594

FEATURES

• Low Noise: 20µVRMS (10Hz to 100kHz)

• Output Current: 500mA

• Low Quiescent Current: 30µA

• Wide Input Voltage Range: 1.8V to 20V

• Low Dropout Voltage: 300mV

• Very Low Shutdown Current: < 1µA

• No Protection Diodes Needed

• Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 

  3V, 3.3V, 5V Adjustable Output from 1.22V to 20V

• Stable with 3.3µF Output Capacitor

• Stable with Aluminum, Tantalum or Ceramic Capacitors

• Reverse Battery Protection

• No Reverse Current

• Overcurrent and Overtemperature Protected

• 8-Lead SO and 12-Lead (4mm × 3mm) DFN Packages











PIN CONFIGUTION
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