| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 1.2 MHz |
| Number of Pins | 12 Pin |
| Case/Package | WSON-12 |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 2.70V ~ 5.50V |
| Output Voltage | 18.9 V |
| Output Current | 1.2 A |
| Supply Current | 1.00 mA |
| Quiescent Current | 1.00 mA |
| Number of Regulated Outputs | 2 Output |
| Switching Frequency | 1.2 MHz |
| Thermal Shutdown | Yes |
| Topology | Boost |
| Input Voltage (Max) | 5.5 V |
| Input Voltage (Min) | 2.7 V |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -30 ℃ |
| Supply Voltage | 2.7V ~ 5.5V |
| Input Voltage | 2.7V ~ 5.5V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Size-Length | 3 mm |
| Size-Width | 3 mm |
| Size-Height | 0.8 mm |
| Operating Temperature | -30℃ ~ 85℃ (TA) |
The LM3553 is a fixed frequency, current mode step-up DC/DC converter with two regulated current sinks. The device is capable of driving loads up to 1.2A from a single-cell Li-Ion battery.
●The LM3553 includes a TX pin that forces Torch mode during a flash event allowing for synchronization between the RF power amplifier and Flash/Torch modes. It also includes a multi-function pin (M/F) that can serve as a GPIO and a hardware RESET pin.
●The LM3553 is available in a 3mm by 3mm package.
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