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Pin No. Pin Name Type 1 VIN Analog / Power Input 2 GND Analog / Power Ground 3 EN Digital Input 4 FB Analog Input 5 LX Analog Output Description Power supply input for the PFET power stage, analog and digital blocks. The pin must be decoupled to ground by a 4.7 mF ceramic capacitor. This pin is the GND reference for the NFET power stage a.
include integrated soft−start, cycle−by−cycle current limiting and thermal shutdown protection. The NCP1521B is available in a space saving, low profile TSOP5 package.
Features
• Up to 96% Efficiency
• Best−In−Class Ripple, including PFM Mode
• Sources up to 600 mA
• 1.5 MHz Switching Frequency
• Adjustable Output Voltage from 0.9 V to 3.9 V
• Synchronous Rectification for Higher Efficiency
• 2.7 V to 5.5 V Input Voltage Range
• Low Quiescent Current
• Shutdown Current Consumption of 0.3 mA
• Thermal Limit Protection
• Short Circuit Protection
• All Pins are Fully ESD Protected
• This is a Pb−.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NCP1521 |
ON Semiconductor |
Adjustable Output Voltage Step-Down Converter |
|
| 2 | NCP152 |
ON Semiconductor |
Low Dropout Voltage Regulator |
|
| 3 | NCP1522 |
ON Semiconductor |
Adjustable Output Voltage Step-Down Converter |
|
| 4 | NCP1522B |
ON Semiconductor |
600mA Step-Down DC-DC Converter |
|
| 5 | NCP1523 |
ON Semiconductor |
Adjustable Output Voltage Stepdown Converter |
|
| 6 | NCP1526 |
ON Semiconductor |
Step Down Converter |
|
| 7 | NCP1529 |
ON Semiconductor |
Adjustable Output Voltage Step-down Converter |
|
| 8 | NCP1500 |
ON |
Dual Mode PWM/Linear BUCK Converter |
|
| 9 | NCP1501 |
ON Semiconductor |
Dual Mode PWM/Linear Buck Converter |
|
| 10 | NCP1508 |
ON Semiconductor |
High Efficiency Synchronous Step-Down DC-DC Converter |
|
| 11 | NCP1509 |
ON Semiconductor |
High Efficiency Synchronous Step-Down DC-DC Converter |
|
| 12 | NCP151 |
ON Semiconductor |
LDO Regulator |
|