MIC5309

The MIC5309 is a high performance, µCap low dropout regulator that offers ultra-low operating current while maintaining very fast transient response. The MIC5309 can source up to 300mA of output current and can regulate down from a low input supply voltage to increase system efficiency.

Ideal for battery-operated applications; the MIC5309 offers extremely low dropout voltage (100mV typically at 300mA load) and low ground current at all load conditions (typically 23µA). The MIC5309 can also be put into a zero off-mode current state, drawing virtually no current when disabled.

The MIC5309 is available in fixed output voltages in the tiny 6-pin 1.6mm x 1.6mm thin MLF® lead-less package as well as the 6-pin TSOT-23 for cost-sensitive applications.

Features
  • Input voltage range: 1.7V to 5.5V
  • Guaranteed 300mA over temperature
  • Ultra-low dropout voltage: 100mV for typical 300mA load
  • High PSRR: up to 90dB at 1kHz
  • Output Voltage range: 0.8V to 2.0V
  • Very low ground current: 23µA under full load
  • Bias supply voltage range: 2.5V to 5.5V
  • Stable with 1µF ceramic output capacitor
  • 300mA maximum output current at 1.7V input voltage
  • Very fast transient response ¯ ideal for digital loads
  • Thermal shutdown and current limit protection
  • Tiny 6-pin 1.6mm x 1.6mm Thin MLF® package
  • Cost effective 6-pin TSOT-23 package
Parameter
Parameter Name Value Value
Product Type Single LDOs Single LDOs
# of Out 1 1
IOUT #1
IOUT #2
IOUT #3
IOUT #4
IOUT (mA) 300 300
VIN Min (V) 1.7 1.7
VIN Max (V) 5.5 5.5
VOUT (V) 1.2, 1.5, 1.8, Adj 1.2, 1.5, 1.8, Adj
Voltage Drop Typ (mV) 100 100
IGND Typ (µA) 23 23
Tol Typ % ±2 ±2
Noise (µV) rms 28 28
PSRR 1 kHz (dB) 90 90
Soft Start Pin
Load Dump
Rev Bat
Reverse Current Protect
Documents
MIC5309 Data SheetData Sheets11/05/2015349KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MIC5309-1.2YD6-TR6TSOT-40C to +125CT/R**********
MIC5309-1.2YMT-TR6UDFN-40C to +125CT/R0.810.670.610.590.58
MIC5309-1.5YMT-TR6UDFN-40C to +125CT/R**********
MIC5309YD6-TR6TSOT-40C to +125CT/R0.810.670.610.590.58
MIC5309YMT-TR6UDFN-40C to +125CT/R0.810.670.610.590.58
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MIC5309-1.5YD6-TR0.1496006TSOT2.9x1.6x1.0mmNiPdAue4
MIC5309-1.2YD6-TR0.1496006TSOT2.9x1.6x1.0mmNiPdAue4
MIC5309YD6-TR0.1496006TSOT2.9x1.6x1.0mmNiPdAue4
MIC5309-1.8YD6-TR0.1496006TSOT2.9x1.6x1.0mmNiPdAue4
MIC5309-1.8YMT-TR0.0044000.5486006UDFN1.6x1.6x0.6mmNiPdAue4
MIC5309-1.5YMT-TR0.0044000.5486006UDFN1.6x1.6x0.6mmNiPdAue4
MIC5309-1.2YMT-TR0.0044000.5486006UDFN1.6x1.6x0.6mmNiPdAue4
MIC5309YMT-TR0.0044000.5486006UDFN1.6x1.6x0.6mmNiPdAue4
MIC5309 Data Sheet MIC5309
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