Analog Devices LTC3537EUD#TRPBF, Dual-Output PMIC: Step-Up (Boost) Synchronous + Linear (LDO), 2.2 MHz Switching, Integrated Sequencer, 16-WFQFN Exposed Pad, -40°C to 85°C.
| Parameter / Attribute | Specification / Value |
|---|---|
| Mounting | Surface Mount |
| Supply voltage | 0.68V ~ 5.5V |
| Voltage/Current - output 1 | 1.5V ~ 5.25V, 100mA |
| Voltage/Current - output 2 | 0.6V ~ 5V, 100mA |
| Frequency - switching | 2.2MHz |
| I/O channels | 2 |
| Operating temperature | -40°C ~ 85°C |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Topology | Step-Up (Boost) Synchronous (1), Linear (LDO) (1) |
| W (Sequencer) | Yes |
| W (LED driver) | No |
| W (Supervisor) | No |
| Case | 16-WFQFN Exposed Pad |
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The LTC3537EUD#TRPBF packs a synchronous boost converter and a low-dropout linear regulator into a single 16-QFN (3x3) package. The boost output is adjustable from 1.5 V to 5.25 V; the LDO output covers 0.6 V to 5 V. Both rails are rated for 100 mA continuous. A built-in power sequencer controls the startup order of the two outputs.
The supply input accepts 0.68 V to 5.5 V. The boost converter switches at 2.2 MHz.
Yes. The supply range extends down to 0.68 V, so a 1.8 V input is well within the operating window. The boost converter can generate a higher rail (up to 5.25 V) while the LDO provides a clean second output, both at up to 100 mA.