TC1188/89 Datasheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifTC1188/89 DatasheetDelivering up to 120mA, the TC1188 and TC1189 are fixed output, low-dropout linear regulators that operate from a +2.5V to +6.0V input range. The 50µA supply current remains independent of load, making these devices ideal for battery-operated portable equipment. The output of the TC1188/1189 is preset at 3.15V, 2.84V, 2.80V or 1.80V. (Other output voltage options are available. contact Microchip Technology for more information.) In addition to low-power shutdown, short-circuit protection, and thermal shutdown protection, the TC1189 includes an auto-discharge function that actively discharges the output voltage to ground when the device is in shutdown mode. Both devices are pin-compatible with the Maxim MAX8863/8864 LDOs and are available in SOT-23-5 pack-ages.
Parameter NameValue
Max Input Voltage6
Output Voltage (v)1.8, 2.8, 2.84, 3.15
Typical Active Current (µA)50
Typical Dropout Voltage @ Max. lout (mV)130
Typical Output Voltage Accuracy (%)0.5
Output Capacitor TypeAluminum/Tantalum
Output Current (mA)120
Features
Pin-Compatible with MAX8863/8864
Low, 55mV Dropout Voltage @ 50mA IOUT
Low, 50µA Operating Supply Current (Even in Dropout)
140µsec (typ.) Turn-On Response Time from SHDN
Low, 350VRMS Output Noise
Miniature External Components
Thermal Overload Protection
Output Current Limit
Low-Power Shutdown Mode
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