[QXMD]

Overview
QX3406 is a high efficiency, high working frequency, Low-noise synchronous step-down DC/DC voltage stabilizer. work The operating current is only 20μA, and it is as low as 1μA when turned off.
2.5V to 5.5V input voltage range makes QX3406 It can be really applied to the application of a single lithium battery power source, The output voltage can be in the range of 5.5V to 0.6V Line adjustment. 100% duty cycle provides LD O operation, It can extend the life of portable system lithium battery.

Characteristics
• High efficiency rate: up to 96%
• Very low static current: only 20μA at work
• Output current up to 600mA
• Input voltage range: 2.5V to 5.5V
• 1.5MHz fixed operating frequency
• No need for Schottky diode
• Can perform LD O operation: 100% duty cycle
• 0.6V reference voltage
• The current in shutdown mode is less than 1μA
• Current mode operation has excellent linearity and transient response
• Internal over-temperature protection
• Very small SOT23-5 package

APPLICATION
• Cellular phone
• PDA
• Wireless products and DSL modem
• Digital camera
• MP3 player
• Portable equipment