TCR8BM33A,L3F

The TCR8BM series are CMOS single-output voltage regulators with an on/off control input, featuring ultra low dropout voltage, high PSRR, low inrush current and fast load transient response. A differentiating feature is the use of a secondary bias rail as a reference voltage that allows ultra low dropout of 170 mv (Typ.) at I UT = 800 mA (1.1 V output, V BIAS = 3.3 V). These voltage regulators are available in fixed output voltages between 0.8 V and 3.6 V, and capable of driving up to 800 mA. Other features include overcurrent protection, thermal shutdown, and Auto-discharge. The TCR8BM series are offered in the ultra small plastic mold package DFN5B (1.2 mm×1.2 mm; t 0.38 mm). As small ceramic input and output capacitors can be used with the TCR8BM series, these devices are ideal for portable applications that require high-density board assembly such as cellular phones. Weight : 1.4 mg (Typ.)

Applications

• Power IC developed for portable applications

Key features

• Low dropout voltage V DO = 170 mV (Typ.) at 1.1 V output, V BIAS = 3.3 V, I OUT = 800 mA
• Low stand-by current (I BIAS(OFF) = 1 μA (Max))
• Low quiescent bias current (I BIAS(ON) = 20 μA (Typ.) at V BIAS = 5.5 V, I OUT = 0 mA)
• Wide range output voltage line up (V OUT = 0.8 to 3.6 V)
• Overcurrent protection
• Thermal shutdown
• Inrush current reduction
• Under voltage lockout (TCR8BMxxA products)
• Auto-discharge
• Pull down connection between CONTROL and GND
• Ultra small package DFN5B (1.2 mm×1.2 mm; t 0.38 mm)