产品特性- Single 3.3V or 5V supply
- Supports load currents up to 40A
- Programmable valley-current/voltage-mode PWM architecture
- 3.3V logic PWM output compatible with power-stage modules and DrMOS modules
- Single tri-state PWM output
- Programmable switching frequency: 200kHz to 2MHz
- Differential remote sensing for output voltage and inductor current
- 0.6V reference voltage with total ±1% accuracy for output
- Adjustable soft-start/soft-stop and pre-biased safe startup
- Supports light load and outside audio modes
- Programmable slope compensation and loop compensation
- Enable input, power-good (PG) output for sequencing
- Programmable OCP, output OVP, thermal OTP, and dedicated FAULTb pin for system safe startup/stop
- Internal thermal shutdown and UVLO
- -40°C to +125°C junction temperature range
- Available in 20-pin 3mm x 3mm TQFN package
| 技术参数|
Parameter Name
Value
| Value | |
Supported Topologies
Buck
|
Buck
| |
Supported Outputs
1
|
1
| |
Minimum Input Voltage (V)
3.3
|
3.3
| |
Maximum Input Voltage (V)
5
|
5
| |
PFM, Discontinuous, Hyperlight load, or Skip Mode
True
|
True
| |
Typical Tolerance (%)
1
|
1
| |
Operating Frequency (Hz)
200k - 2M
|
200k - 2M
| |
External Clock Sync
False
|
False
| |
Power Good Signal
True
|
True
| |
Soft Start
False
|
False
| |
Internal Compensation
False
|
False
| |
Internal Voltage Bias
False
|
False
| |
Enable Pin
False
|
False
| |
Current Limit / Short Circuit Protection
False
|
False
|
|
