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| Part Number | MAX16821CATI+T | MAX16821AATI+T | MAX16821BATI+T | MAX16821CATI+ |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Active |
| Type | DC DC Controller | DC DC Controller | DC DC Controller | DC DC Controller |
| Topology | SEPIC, Step-Down (Buck), Step-Up (Boost) | SEPIC, Step-Down (Buck), Step-Up (Boost) | SEPIC, Step-Down (Buck), Step-Up (Boost) | SEPIC, Step-Down (Buck), Step-Up (Boost) |
| Internal Switch(s) | No | No | No | No |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Supply (Min) | 4.75V | 4.75V | 4.75V | 4.75V |
| Voltage - Supply (Max) | 28V | 28V | 28V | 28V |
| Voltage - Output | - | - | - | - |
| Current - Output / Channel | - | - | - | - |
| Frequency | 125kHz ~ 1.5MHz | 125kHz ~ 1.5MHz | 125kHz ~ 1.5MHz | 125kHz ~ 1.5MHz |
| Dimming | PWM | PWM | PWM | PWM |
| Applications | Backlight | Backlight | Backlight | Backlight |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (5x5) |
