 |
|
• New products available
– LM5145 75-V synchronous buck controller with
wide input voltage and duty cycle ranges
– LM5146 100-V synchronous buck DC/DC
controller with wide duty-cycle range |
| • Operating input voltage 8 V to 40 V
|
| • Input voltage feedforward compensation |
| • < 1% internal 0.7-V reference |
| • Programmable fixed-frequency up to 1-MHz
voltage mode controller |
| • Internal gate-drive outputs for high-side and
synchronous N-channel MOSFETs |
| • 16-pin PowerPAD™ package (RθJC = 2°C/W)
|
| • Thermal shutdown
|
| • Externally synchronizable |
| • Programmable high-side sense short-circuit
protection |
| • Programmable closed-loop soft start |
| • TPS40054 source only
|
| • TPS40055 source and sink |
| • TPS40057 source and sink with VO prebias |
|
| CATALOG |
| TPS40057PWPR COUNTRY OF ORIGIN |
| TPS40057PWPR PARAMETRIC INFO |
| TPS40057PWPR PACKAGE INFO |
| TPS40057PWPR MANUFACTURING INFO |
| TPS40057PWPR PACKAGING INFO |
| TPS40057PWPR ECAD MODELS |
| TPS40057PWPR FUNCTIONAL BLOCK DIAGRAM
|
| TPS40057PWPR APPLICATIONS
|
|
| COUNTRY OF ORIGIN |
| Malaysia |
| Taiwan (Province of China) |
|
| PARAMETRIC INFO |
| Topology |
Step Down |
| Number of Outputs |
1 |
| Maximum Switching Frequency (kHz) |
1000 |
| Output Voltage (V) |
0.7 to 35 |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
85 |
| Maximum Input Voltage (V) |
40 |
| Minimum Input Voltage (V) |
8 |
| Synchronous Rectifier |
Yes |
| Operating Supply Voltage (V) |
8 to 40 |
| Synchronous Clock |
Yes |
| Minimum Switching Frequency (kHz) |
100 |
| Maximum Output Current (A) |
20 |
| Programmability |
Yes |
| Control Method |
PWM |
| Typical Quiescent Current (mA) |
3 |
| Minimum Storage Temperature (°C) |
-55 |
| Maximum Storage Temperature (°C) |
150 |
|
|
| PACKAGE INFO |
| Supplier Package |
HTSSOP EP |
| Basic Package Type |
Lead-Frame SMT |
| Pin Count |
16 |
| Lead Shape |
Gull-wing |
| PCB |
16 |
| Tab |
N/R |
| Pin Pitch (mm) |
0.65 |
| Package Length (mm) |
5.1(Max) |
| Package Width (mm) |
4.5(Max) |
| Package Height (mm) |
1.05(Max) |
| Package Diameter (mm) |
N/R |
| Package Overall Length (mm) |
5.1(Max) |
| Package Overall Width (mm) |
6.6(Max) |
| Package Overall Height (mm) |
1.2(Max) |
| Seated Plane Height (mm) |
1.2(Max) |
| Mounting |
Surface Mount |
| Package Weight (g) |
N/A |
| Package Material |
Plastic |
| Package Description |
Heat Sinked Thin Shrink Small Outline Package, Exposed Pad |
| Package Family Name |
SO |
| Jedec |
MO-153ABT |
| Package Outline |
Link to Datasheet |
|
|
| MANUFACTURING INFO |
| MSL |
2 |
| Maximum Reflow Temperature (°C) |
260 |
| Reflow Solder Time (Sec) |
30 |
| Number of Reflow Cycle |
3 |
| Standard |
J-STD-020D |
| Reflow Temp. Source |
Link to Datasheet |
| Maximum Wave Temperature (°C) |
N/R |
| Wave Solder Time (Sec) |
N/R |
| Lead Finish(Plating) |
Au |
| Under Plating Material |
Pd over Ni |
| Terminal Base Material |
Cu Alloy |
|
|
| PACKAGING INFO |
| Packaging Suffix |
R |
| Packaging |
Tape and Reel |
| Quantity Of Packaging |
2000 |
| Reel Diameter (in) |
13 |
| Tape Pitch (mm) |
8 |
| Tape Width (mm) |
12 |
| Packaging Document |
Link to Datasheet |
|
|
| ECAD MODELS |
 |
|
| FUNCTIONAL BLOCK DIAGRAM
|
 |
|
| APPLICATIONS
|
| • Power modules |
| • Networking and telecom |
| • Industrial and servers |
| |
| |
One-stop supplier of IC products