TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 16 Pin |
Case/Package | SSOP-16 |
Number of Outputs | 1 Output |
Output Voltage | 1.2V ~ 45V |
Output Current | 1.5 A |
Number of Positions | 16 Position |
Switching Frequency | 570 kHz |
Topology | Buck |
Input Voltage (Max) | 60 V |
Input Voltage (Min) | 5.5 V |
Output Voltage (Max) | 45 V |
Output Voltage (Min) | 1.2 V |
Output Current (Max) | 3 A |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | -40 ℃ |
Supply Voltage | 5.5 V |
Input Voltage | 5.5V ~ 60V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Unknown |
Packaging | Cut Tape (CT) |
Size-Height | 1.5 mm |
Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LT1956IGN#PBF is a monolithic buck Switching Regulator with an input voltage capability up to 60V. A high efficiency 1.5A, 0.2R switch is included on the die along with all the necessary oscillator, control and logic circuitry. A current-mode architecture provides fast transient response and good loop stability. Special design techniques and a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. Patented circuitry maintains peak switch current over the full duty cycle range. A shutdown pin reduces supply current to 25µA and the device can be externally synchronized from 580 to 700kHz with a logic level input.
● Peak switch current maintained over full duty cycle range
● Easily synchronizable
● Cycle-by-cycle current limiting
● 0.2R Saturating switch design
● 2.5mA Effective supply current
● 25µA Shutdown current
Linear Technology
28 Pages / 0.3 MByte
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