TC2014/2015/2185 Datasheet

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  TC2014/2015/2185 Datasheet


The TC2014, TC2015, and TC2185 are high accuracy (typically ±0.4%) CMOS upgrades for older (bipolar) low dropout regulators such as the LP2980. Total supply current is typically 55µA (20 to 60 times lower than in bipolar regulators!). The devices’ key features include ultra low noise operation (plus bypass reference), very low dropout voltage - typically 45mV (TC2014); 90mV (TC2015); and 140mV (TC2185) at full load - and fast response to step changes in load. Supply current is reduced to 0.5µA (max) and VOUT falls to zero when the shutdown input is low. The devices also incorporate over-current protection. The TC2014, TC2015, and TC2185 are stable with an output capacitor of only 1µF and have a maximum output current of 50mA, 100mA, and 150mA, respectively. For higher output versions, see the TC1107, TC1108, and TC1173 (IOUT = 300 mA) data sheets.

Parameter Name  Value
Max Input Voltage  6
Output Voltage (v)  1.8, 2.5, 2.7, 2.8, 2.85, 3.0, 3.3
Typical Active Current (µA)  55
Typical Dropout Voltage @ Max. lout (mV)  45
Typical Output Voltage Accuracy (%)  0.4
Output Capacitor Type  Ceramic/Aluminum/Tantalum
Output Current (mA)  50

     Features
Extremely Low Supply Current (55 µA typical)
Very Low Dropout Voltage (45mV ty[ical @ 50mA)
High Output Voltage Accuracy (±0.4% typical)
Standard or Custom Output Voltages
Power-Saving Shutdown Mode
Reference Bypass Input for Ultra Low-Noise Operation
Fast Shutdown Response Time (60 µsec typical)
Over-Current Protection
Space-Saving 5-Pin SOT-23A Package
Pin Compatible Upgrades for Bipolar Regulators


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