The LM20145 is a full featured adjustable frequency synchronous buck regulator capable of delivering up to 5A of continuous output current. The current mode control loop can be compensated to be stable with virtually any type of output capacitor. For most cases, compensating the device only requires two external components, providing maximum flexibility and .
1
•2 Available in AEC-Q100 Temperature Grade 1
• Input Voltage Range 2.95V to 5.5V
• Accurate Current Limit Minimizes Inductor
Size
• 97% Peak Efficiency
• Adjustable Switching Frequency (250 kHz to
750 kHz)
• 32 mΩ Integrated FET Switches
• Starts up into Pre-Biased Loads
• Output Voltage Tracking
• Peak Current Mode Control
• Adjustable Output Voltage down to 0.8V
• Adjustable Soft-Start with External Capacitor
• Precision Enable Pin with Hysteresis
• Integrated OVP, UVLO, Power Good and
Thermal Shutdown
• HTSSOP 16-Pin Exposed Pad Package
APPLICATIONS
• Simple to Design, High Efficiency Poi.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LM20143 |
Texas Instruments |
Adjustable Frequency Synchronous Buck Regulator | |
2 | LM20143-Q |
Texas Instruments |
Adjustable Frequency Synchronous Buck Regulator | |
3 | LM20144 |
Texas Instruments |
Adjustable Frequency Synchronous Buck Regulator | |
4 | LM20146 |
Texas Instruments |
Adjustable Frequency Synchronous Buck Regulator | |
5 | LM20123 |
Texas Instruments |
Synchronous Buck Regulator | |
6 | LM20123 |
National Semiconductor |
Synchronous Buck Regulator | |
7 | LM20124 |
Texas Instruments |
Synchronous Buck Regulator | |
8 | LM20124 |
National Semiconductor |
Synchronous Buck Regulator | |
9 | LM20124-Q1 |
Texas Instruments |
Synchronous Buck Regulator | |
10 | LM20125 |
Texas Instruments |
Synchronous Buck Regulator | |
11 | LM20125 |
National Semiconductor |
Synchronous Buck Regulator | |
12 | LM20133 |
Texas Instruments |
Synchronous Buck Regulator |