The LM2772 is a switched capacitor step-down regulator that produces a 1.2V output. It is capable of supplying loads up to 150mA with 3% output voltage regulation over line, load, and temperature. The LM2772 operates with an input voltage from 3.0V to 5.5V, accommodating 1-cell Li-Ion batteries and chargers.
The LM2772 utilizes a highly efficient regulated multi-gain charge pump. Pre-regulated 1.1MHz fixed-frequency switching results in very low ripple and noise on both the input and the output. When output currents are low, the part automatically switches to a low-ripple PFM regulation mode to maintain high efficiency over the entire load range.
The LM2772 is available in TI’s WSON-10 Package (WSON-10).
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| Vin (min) (V) | 2.7 |
| Vin (max) (V) | 5.5 |
| Vout (min) (V) | 1.2 |
| Vout (max) (V) | 1.2 |
| Iout (max) (A) | 0.15 |
| Regulated outputs (#) | 1 |
| Switching frequency (min) (kHz) | 800 |
| Switching frequency (max) (kHz) | 1500 |
| Iq (typ) (mA) | 0.05 |
| Features | Enable |
| Operating temperature range (°C) | -30 to 85 |
| Rating | Catalog |
| Type | Charge pump |
| WSON (DSC) | 10 | 9 mm² 3 x 3 |
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