ltc1844es5-3.3#tr

ltc1844 - 150ma, micropower, low noise, vldo linear regulator

特點

• very low dropout:
  90mv at 150ma
  30mv at 50ma (ltc1844-3.3)
• wide input voltage range: 1.6v to 6.5v
• low 35µa supply current, even in dropout
• low noise: 60µv_rms(10hz to 100khz)
• ±1.75% voltage accuracy over temperature, voltage and current ranges
• fast transient response
• 10na supply current in shutdown
• fixed output voltages: 1.5v, 1.8v, 2.5v, 2.8v, 3.3v
• adjustable output voltage: 1.25v to 6v
• output current limit
• reverse-battery and reverse-current protection
• no protection diodes needed
• stable with 1µf output capacitor
• stable with ceramic capacitors
• short-circuit and thermal overload protection
• low profile (1mm) sot-23 package