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LF33CDT
IC REG LINEAR 3.3V 500MA DPAK
- Manufacturer
- Mfr. Part #LF33CDT
- Package TO-252
- Datasheet
- In Stock2384
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Specifications
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.7V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 1 mA |
| Current-Supply(Max) | 12 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 65dB) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
Overview
Description
Features
1. Output Voltage: Provides a fixed 3.3V output.
2. Dropout Voltage: Low dropout voltage, typically around 0.45V at full load, allowing efficient operation even with small differences between input and output voltages.
3. Output Current: Can deliver up to 3A of output current.
4. Stability: Features internal frequency compensation, ensuring stability with low equivalent series resistance (ESR) output capacitors.
5. Protection: Built-in protection mechanisms include current limiting and thermal shutdown to prevent damage due to overload or overheating.
6. Temperature Range: Operates within a wide temperature range, suitable for various environments.
7. Package: Available in a TO-220 package, which aids in heat dissipation and ease of mounting.
These features make the LF33CDT suitable for powering microcontrollers, microprocessors, and other digital circuits requiring a reliable 3.3V power supply.
Package
Pinout
Pin Configuration:
1. Vin: Input voltage pin where the unregulated input voltage is applied.
2. GND: Ground pin, which is the common ground for input and output.
3. Vout: Output voltage pin where the regulated output voltage (3.3V) is delivered.
The tab on the package is usually internally connected to the ground pin for heat dissipation purposes.
Function:
The LF33CDT is designed to provide a stable 3.3V output with an input voltage up to 30V, with a dropout voltage of around 0.45V at 300mA output current. It offers protection features such as current limiting and thermal shutdown, making it suitable for various applications that require a stable 3.3V power supply.
Manufacturer
Application
Equivalent
1. LM1117 by Texas Instruments
2. LD1117 by STMicroelectronics
3. MIC29300 by Microchip Technology
4. AMS1117 by Advanced Monolithic Systems
5. NCP1117 by ON Semiconductor
These alternatives offer similar voltage regulation capabilities and packaging options, though specifics like input voltage range and output current may vary slightly. Always refer to datasheets for exact specifications and compatibility.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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