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• Wide Input Voltage Range: 3.7V to 36V
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• Two 1.4A Output Switching Regulators with Internal Power Switches
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• Adjustable 250kHz to 2.5MHz Switching Frequency
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• Synchronizable over the Full Frequency Range
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• Anti-Phase Switching Reduces Ripple
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• Uses Small Inductors and Ceramic Capacitors
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• Accurate Programmable Undervoltage Lockout
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• Independent Tracking, Soft-Start and Power Good Circuits Ease Supply Sequencing
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| CATALOG |
LT3508EFE#TRPBF COUNTRY OF ORIGIN
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LT3508EFE#TRPBF PARAMETRIC INFO
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LT3508EFE#TRPBF PACKAGE INFO
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LT3508EFE#TRPBF MANUFACTURING INFO
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LT3508EFE#TRPBF PACKAGING INFO
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LT3508EFE#TRPBF ECAD MODELS
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LT3508EFE#TRPBF APPLICATIONS
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COUNTRY OF ORIGIN
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Malaysia
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PARAMETRIC INFO
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| Type |
Synchronous Step Down |
| Number of Outputs |
2 |
| Minimum Input Voltage (V) |
3.7 |
| Maximum Input Voltage (V) |
36 |
| Output Voltage (V) |
0.8 to 35.28 |
| Maximum Output Current (A) |
1.4|1.4 |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
125 |
| Supplier Temperature Grade |
Extended |
| Switching Frequency (kHz) |
250 to 2500 |
| Switching Regulator |
Yes |
| Operating Supply Voltage (V) |
3.7 to 36 |
| Output Type |
Adjustable |
| Typical Quiescent Current (uA) |
4300 |
| Minimum Storage Temperature (°C) |
-65 |
| Maximum Storage Temperature (°C) |
150 |
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PACKAGE INFO
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| Supplier Package |
TSSOP 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) |
0.95(Max) |
| Package Diameter (mm) |
N/R |
| Seated Plane Height (mm) |
1.1(Max) |
| Mounting |
Surface Mount |
| Package Material |
Plastic |
| Package Description |
Thin Shrink Small Outline Package, Exposed Pad |
| Package Family Name |
SO |
| Jedec |
MO-153ABT |
| Package Outline |
Link to Datasheet |
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MANUFACTURING INFO
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| MSL |
1 |
| 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) |
260 |
| Wave Solder Time (Sec) |
10 |
| Wave Temp. Source |
Link to Datasheet |
| Lead Finish(Plating) |
Matte Sn annealed |
| Under Plating Material |
Ag |
| Terminal Base Material |
Cu Alloy |
| Number of Wave Cycles |
N/A |
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PACKAGING INFO
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| Packaging Suffix |
TR |
| Packaging |
Tape and Reel |
| Quantity Of Packaging |
2500 |
| Reel Diameter (in) |
13 |
| Reel Width (mm) |
16.4 |
| Tape Pitch (mm) |
8 |
| Tape Width (mm) |
16 |
| Feed Hole Pitch (mm) |
4 |
| Hole Center to Component Center (mm) |
2 |
| Component Orientation |
Q1 |
| Packaging Document |
Link to Datasheet |
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| ECAD MODELS |
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| APPLICATIONS |
| • Automotive |
| • DSP Power Supplies |
| • Wall Transformer Regulation |
| • DSL and Cable Modems |
| • PCI Express |
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