Description
PIN
TYPE(1)
NO.NAME
DESCRIPTION
1 SW 2 GND
Switch Pin.Connect an inductor between this pin and VIN.Keep the PCB trace lengths as short and wide as is practical to reduce EMI and voltage overshoot.If I/O the inductor current falls to zero, or pin CE is low, an internal anti-ringing switch is connected from this pin to VIN to minimize EMI.Signal and Power Ground.Connect GND with large copper areas directly to the input and output supply returns and negative terminals of the input and o
Features
- :
z Up to 96% Efficiency z True Output Load Disconnect During
Shutdown z Delivers 100mA@3.3V from Single AA Cell z Delivers 300mA@5V from Two AA Cells z Delivers 600mA@5V from Single Li Cell z Low Voltage Start-Up: 0.85V z Continuous Switching at Light Loads z Internal Synchronous Rectifier z Current Mode Control
with Internal Compensation z 1.2MHz Fixed Frequency Switching z Input Range: 0.5V to 4.5V z Output Range: 2.5V to 4.3V (Up to 5.5V with
Schottky) z Logic Controlled Shutdown(.