特点
Precise Control of Peak Switch Current
Quiescent Current: 33μA in Active Mode 3μA in Shutdown Mode
Low-Battery Detector Active in Shutdown
Low Switch V
CESAT
: 300mV at 500mA
8-Lead MSOP and SO Packages
Operates with V
IN
as Low as 1.5V
Logic Level Shutdown Pin
典型应用
典型应用
描述
描述 The LT?1316 is a micropower step-up DC/DC converter that operates from an input voltage as low as 1.5V. A programmable input current limiting function allows precise control of peak switch current. Peak switch current can be set to any value between 30mA and 500mA by adjusting one resistor. This is particularly useful for DC/DC converters operating from high source impedance inputs such as lithium coin cells or telephone lines. The fixed off-time, variable on-time regulation scheme results in quiescent current of only 33μA in active mode. Quiescent current decreases to 3μA in shutdown with the low-battery detector still active. The LT1316 is available in 8-lead MSOP and SO packages. Please Download Specification Notice for Recent Changes to Data Sheet. sn1316fa.pdf