Datasheet Details
| Part number | LM3203 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 1.36 MB |
| Description | Step-Down DC-DC Converter |
| Datasheet |
 LM3203 Datasheet
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General Description
The LM3203 is a DC-DC converter optimized for powering RF power amplifiers (PAs) from a single Lithium-Ion cell.
However, they may be used in many other applications.
It steps down an input voltage of 2.7V to 5.5V to an adjustable output voltage of 0.8V to 3.6V.
Key Features
- n n n n n n n n n n n 2MHz (typ. ) PWM Switching Frequency Operates from a single Li-Ion cell (2.7V to 5.5V) Adjustable Output Voltage (0.8V to 3.6V) 500mA Maximum load capability (PWM and Bypass mode) PWM / Forced Bypass Mode Low RDSON Bypass FET: 85mΩ (typ. ) High Efficiency (96% typ. at 3.6VIN, 3.2VOUT at 150mA) Fast Turn-on time when Enabled (50µs typ. ), 3GPP Compliant 10-pin micro SMD Package Current Overload Protection Thermal Overload Protection.