| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Frequency | 100 kHz |
| Number of Pins | 5 Pin |
| Case/Package | TO-220-5 |
| Number of Outputs | 1 Output |
| Output Voltage | 2.5V ~ 50V |
| Output Current | 5 A |
| Number of Positions | 5 Position |
| Quiescent Current | 8.5 mA |
| Switching Frequency | 100 kHz |
| Topology | Buck |
| Switching Current | 6.5 A |
| Input Voltage (Max) | 45 V |
| Input Voltage (Min) | 7.3 V |
| Output Voltage (Max) | 50 V |
| Output Voltage (Min) | 2.5 V |
| Output Current (Max) | 10 A |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 8 V |
| Supply Voltage (Min) | 8 V |
| Input Voltage | 8 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Size-Length | 15.75 mm |
| Size-Width | 4.572 mm |
| Size-Height | 10.541 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The LT1074IT#PBF is a monolithic bipolar Switching Regulator which requires only a few external parts for normal operation. The power switch, all oscillator and control circuitry and all current limit components, are included on the chip. The topology is a classic positive buck configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative boost converter and as a flyback converter. The switch output is specified to swing 40V below ground, allowing the LT1074 to drive a tapped-inductor in the buck mode with output currents up to 10A. The LT1074 uses a true analog multiplier in the feedback loop. This makes the device respond nearly instantaneously to input voltage fluctuations and makes loop gain independent of input voltage. As a result, dynamic behaviour of the regulator is significantly improved over previous designs. On-chip pulse by pulse current limiting makes the LT1074 nearly bust-proof for output overloads or shorts.
● Greatly improved dynamic behaviour
● Programmable current limit
● Micropower shutdown mode
● 8.5mA Quiescent current
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