Datasheet Details
| Part number | LM3668 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 2.29 MB |
| Description | High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter |
| Datasheet |
 LM3668 Datasheet
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General Description
The LM3668 is a synchornous buck or boost DC-DC converter optimized for powering low voltage circuits from a Li-Ion battery and input voltage rails between 2.5V and 5.5V.
It has the capability to support up to 1A output current over a output voltage range of 2.8V/3.3V.
Key Features
- 45µA typical quiescent current 1A maximum load current for VIN = 2.8V to 5.5V 800mA maximum load current for VIN = 2.7V 600mA maximum load current for VIN = 2.5V 2.2 MHz PWM fixed switching frequency (typ. ) Automatic PFM-PWM Mode or Forced PWM Mode Wide Input Voltage Range: 2.5V to 5.5V Output Voltage Range: 2.8V/3.3V Internal synchronous rectification for high efficiency Internal soft start: 600µs Maximum start-up tim.
