Maxim Integrated MAX6366LKA46+T, Battery Backup Circuit, Active Low Reset, Push-Pull Output, 4.63V Threshold, 150ms Minimum Reset Timeout, SOT-23-8, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Type | Battery Backup Circuit |
| Mounting | Surface Mount |
| Voltage - threshold | 4.63V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Reset | Active Low |
| Output | Push-Pull, Totem Pole |
| Package | Strip |
| Reset timeout | 150ms Minimum |
| Case | SOT-23-8 |
Housed in a SOT-23-8 package, this part fits tight layouts where board space is at a premium. The surface-mount footprint matches the standard SOT-23-8 land pattern; no special pad geometry required.
Yes. The 4.63V threshold is designed for 5V nominal supplies — it asserts reset when the rail drops to approximately 4.63V, which is within the typical undervoltage window for 5V logic. It monitors a single voltage input.
Within the MAX6366 family, the threshold voltage is the differentiating factor. The MAX6366LKA29+T uses a 2.93V threshold for 3.3V rails, and the MAX6366LKA31+T uses a 3.08V threshold. All share the same SOT-23-8 package, active-low push-pull output, and 150ms timeout — the only difference is the monitored voltage level. For a 5V rail, the 4.63V variant is the correct choice.
No. The 4.63V threshold is too high for a 3.3V rail — the reset would assert continuously. For 3.3V systems, use a threshold variant such as the MAX6366LKA29+T (2.93V) or MAX6366LKA31+T (3.08V).