Switching Controllers, Analog Devices
The synchronous Switching Controllers from Analog Devices provide high conversion efficiency with wide voltage output rails. They are highly programmable and deliver stipulated application performance requirements.
Feature
92% efficiency (no sense resistor required)
±1.0% initial accuracy
IC supply voltage range: 2.9 V to 5.5 V
Power-input voltage as low as 1.0 V
Capable of high supply input voltage (>5.5 V) with an external NPN or a resistor
VIN UVLO and 35 mA shunt regulator
External slope compensation with 1 resistor
Programmable operating frequency (100 kHz to 1.5 MHz) with 1 resistor
Lossless current sensing for switch-node voltage <30 V
Resistor current sensing for switch-node voltage >30 V
Synchronizable to external clock
Current-mode operation for excellent line and load transient responses
Applications
APD bias
Portable electronic equipment
Isolated dc-to-dc converter
Step-up/step-down dc-to-dc converter
LED driver for laptop computer and navigation system
LCD backlighting
Catalogue
FPGA / CPLD
Memory
MOS 
MCU 
DSP
OCEP
Secondary 
Other 
