LT1959
Key Features
- It will operate down to 1.21V output pared to 2.42V for the LT1506
- A 4.5A switch is included on the die along with all the necessary oscillator, control and logic circuitry
- The topology is current mode for fast transient response and good loop stability
- A special high speed bipolar process and new design techniques achieve high efficiency at high switching frequency
- The LT1959 fits into standard 7-pin DD and fused lead SO-8 packages
- Full cycle-by-cycle short-circuit protection and thermal shutdown are provided
- Standard surface mount external parts are used, including the inductor and capacitors
- There is the optional function of shutdown or synchronization
- A shutdown signal reduces supply current to 20µA
- Synchronization allows an external logic level signal to increase the internal oscillator from 580kHz to 1MHz
