产品特性- Up to 96% Typical Efficiency
- 425 mA Typical Peak Input Current Limit: IOUT > 50 mA @ 1.2V VIN, 3.3V VOUT IOUT > 175 mA @ 2.4V VIN, 3.3V VOUT IOUT > 175 mA @ 3.3V VIN, 5.0V VOUT
- IOUT > 50 mA @ 1.2V VIN, 3.3V VOUT
- IOUT > 175 mA @ 2.4V VIN, 3.3V VOUT
- IOUT > 175 mA @ 3.3V VIN, 5.0V VOUT
- Low Start-up Voltage: 0.65V
- Operating Input Voltage: 0.35V to 5.5V
- Adjustable Output Voltage Range: 2.0V to 5.5V
- Maximum Input Voltage < VOUT < 5.5V
- Automatic PFM/PWM Operation
- PWM Operation at 500 kHz
- Low Device Quiescent Current: 19 µA – typical PFM Mode
- Shutdown Current (All States): < 1 µA
- Internal Synchronous Rectifier
- Internal Compensation
- Inrush Current Limiting and Internal Soft-Start
- True Load Disconnect Shutdown
- Low Noise, Anti-Ringing Control
- Over-temperature Protection
- Small Form Factor SOT23-6 Packaging
| 技术参数|
Parameter Name
Value
| Value | |
Regulator Type
Step Up (Boost)
|
Step Up (Boost)
| |
Input Voltage Range Min (V)
0.65
|
0.65
| |
Input Voltage Range Max (V)
5.5
|
5.5
| |
Output Voltage Range Min (V)
2
|
2
| |
Output Voltage Range Max (V)
5.5
|
5.5
| |
Quiescent Current (mA) typ
0.019
|
0.019
| |
Switching Frequency (kHz)
500
|
500
| |
Synchronous Rectifier
Yes
|
Yes
| |
Operating Temp Range
-40 to 85
|
-40 to 85
| |
Vfb (V)
1.21
|
1.21
| |
Duty Cycle Max (%)
90
|
90
| |
SHUTDOWN Current (µA) (Typ)
0.7
|
0.7
| |
Light Load Efficiency Mode
Yes
|
Yes
| |
Switch current (A) typ
0.425
|
0.425
|
|
