| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 40.0V (max) |
| Case/Package | SOIC-8 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.24V ~ 34V |
| Output Current | 700 mA |
| Number of Positions | 8 Position |
| Quiescent Current | 620 µA |
| Switching Frequency | 200 kHz |
| Topology | Buck |
| Input Voltage (Max) | 40 V |
| Input Voltage (Min) | 7.4 V |
| Output Voltage (Max) | 34 V |
| Output Voltage (Min) | 1.24 V |
| Output Current (Max) | 1 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 7.4 V |
| Input Voltage | 7.4 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Size-Length | 5 mm |
| Size-Width | 3.988 mm |
| Size-Height | 1.498 mm |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LT1776IS8#PBF is a high efficiency buck/step-down Switching Regulator contains several features to enhance efficiency. The monolithic die includes all oscillator, control and protection circuitry. The part can accept input voltage as high as 60V and contains an output switch rated at 700mA peak current. Current-mode control delivers excellent dynamic input supply rejection and short-circuit protection. The internal control circuitry is normally powered via the VCC pin, thereby minimizing power drawn directly from the VIN supply. The action of the LT1776 switch circuitry is also load dependent. At medium to high loads, the output switch circuitry maintains fast rise time for good efficiency. At light loads, rise time is deliberately reduced to avoid pulse skipping behaviour.
● Adaptive switch drive maintains efficiency at high load without pulse skipping at light load
● True current mode control
● Tolerates input transients to 60V
● Synchronizable to 400kHz
● 200kHz Fixed operating frequency
● 30µA Low supply current in shutdown
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