 |
|
| • 0.4V Dropout Voltage |
| • 150mA Output Current |
| • 30µA Quiescent Current |
| • No Protection Diodes Needed |
| • Adjustable Output from 3.75V to 30V |
| • 3.3V and 5V Fixed Output Voltages |
| • Controlled Quiescent Current in Dropout |
| • Shutdown |
| • 16µA Quiescent Current in Shutdown |
| • Stable with 0.33µF Output Capacitor |
| • Reverse Battery Protection |
| • No Reverse Current with Input Low |
| • Thermal Limiting |
| • Available in the 8-Lead SO, 8-Lead PDIP, 3-Lead
SOT-23 and 3-Lead TO-92 Packages |
|
| CATALOG |
| LT1121IST-3.3#PBF COUNTRY OF ORIGIN |
| LT1121IST-3.3#PBF PARAMETRIC INFO |
| LT1121IST-3.3#PBF PACKAGE INFO |
| LT1121IST-3.3#PBF MANUFACTURING INFO |
| LT1121IST-3.3#PBF PACKAGING INFO |
| LT1121IST-3.3#PBF ECAD MODELS |
| LT1121IST-3.3#PBF APPLICATIONS |
|
| COUNTRY OF ORIGIN |
| Thailand |
| Malaysia |
| United States of America |
|
| PARAMETRIC INFO |
| Type |
LDO |
| Number of Outputs |
1 |
| Maximum Output Current (A) |
0.15 |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
125 |
| Output Type |
Fixed |
| Output Voltage Range (V) |
1.8 to 10 |
| Junction to Ambient |
50°C/W |
| Polarity |
Positive |
| Special Features |
Reverse Battery Protection|Reverse Current Protection|Shutdown|Thermal Protection |
| Load Regulation |
-25mV |
| Line Regulation |
10mV |
| Maximum Dropout Voltage @ Current (V) |
0.16@1mA|0.35@50mA|0.45@100mA|0.55@150mA |
| Minimum Input Voltage (V) |
4.17 |
| Maximum Input Voltage (V) |
30 |
| Output Voltage (V) |
3.3 |
| Typical Quiescent Current (mA) |
0.03 |
| Typical Dropout Voltage @ Current (V) |
0.13@1mA|0.42@150mA|0.3@50mA|0.37@100mA |
| Supplier Temperature Grade |
Industrial |
| Minimum Storage Temperature (°C) |
-65 |
| Maximum Storage Temperature (°C) |
150 |
| Typical PSRR (dB) |
58 |
| Typical Output Capacitance (uF) |
0.33 |
| Output Capacitor Type |
Ceramic |
|
|
| PACKAGE INFO |
| Supplier Package |
SOT-223 |
| Basic Package Type |
Lead-Frame SMT |
| Pin Count |
4 |
| Lead Shape |
Gull-wing |
| PCB |
3 |
| Tab |
Tab |
| Pin Pitch (mm) |
2.3 |
| Package Length (mm) |
6.71(Max) |
| Package Width (mm) |
3.71(Max) |
| Package Height (mm) |
1.7(Max) |
| Package Diameter (mm) |
N/R |
| Seated Plane Height (mm) |
1.8(Max) |
| Mounting |
Surface Mount |
| Package Material |
Plastic |
| Package Description |
Small Outline Transistor |
| Package Family Name |
SOT |
| Jedec |
TO-261AA |
| Package Outline |
Link to Datasheet |
|
|
| MANUFACTURING INFO |
| 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) |
230 to 250 |
| Wave Solder Time (Sec) |
2 |
| Wave Temp. Source |
Link to Datasheet |
| Lead Finish(Plating) |
Matte Sn annealed |
| Under Plating Material |
Ag |
| Terminal Base Material |
Cu Alloy |
|
|
| PACKAGING INFO |
| Packaging |
Tube |
| Quantity Of Packaging |
78 |
|
|
| ECAD MODELS |
 |
|
| APPLICATIONS |
| • Low Current Regulator |
| • Regulator for Battery-Powered Systems |
| • Post Regulator for Switching Supplies |
| |
|
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