| Circuitos Integrados | ||
|---|---|---|
| MAX1771 |
|---|
| High-efficiency, low IQ, step-up DC-DC controller |
| PDF datasheet |
| EXT | 1 • | 8 | CS |
| Vcc | 2 | 7 | GND |
| FB | 3 | 6 | AGND |
| SHDN | 4 | 5 | REF |
| Pin | Symbol | Description |
|---|---|---|
| 1 | EXT | gate drive for external n-channel power transistor |
| 2 | Vcc | supply voltage |
| 3 | FB | feedback input for adjustable output (tie to GND for fixed output) |
| 4 | SHDN | shutdown (active high) |
| 5 | REF | 1.5V reference output |
| 6 | AGND | analog ground |
| 7 | GND | output driver (high-current) ground |
| 8 | CS | current sense amplifier input |
| Specifications |
|---|
| (typical values under recommended operating conditions, unless specified) |
| Parameter | Value | Unit |
|---|---|---|
| Input voltage |
2 (min) 16.5 (max) |
V |
| Output voltage (when fixed) | 12 | V |
| Maximum output power | 24 | W |
| Note |
|---|
| Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information. |
| BACK |