STMicroelectronics LDF33PT-TR Linear Controllers
IC REG LINEAR 3.3V 1A PPAK

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LDF33PT-TR
Detailed Description
IC REG LINEAR 3.3V 1A PPAK
Package
TO-252-5, DPak (4 Leads + Tab), TO-252AD
Key Features
Package / Case: TO-252-5, DPak (4 Leads + Tab), TO-252AD; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LDF33PT-TR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics LDF33PT-TR Linear Controllers technical specifications.
General
Package / Case
TO-252-5, DPak
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Output Type
Fixed
Max Input Voltage
16V
Output Current
1A
Quiescent Current
800 µA
Control Features
Enable, Power Good
Output Configuration
Positive
Output Voltage
3.3V
Alternate Parts Comparison (LDF33PT-TR vs LD29150PT50R vs ST1L04PT-R vs ST2L05R2500PT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-252-5, DPak | TO-252-5, DPak | TO-252-5, DPak | TO-252-5, DPak |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 0°C ~ 125°C | 0°C ~ 125°C |
| Max Input Voltage | 16V | 14V | 10V | 7V |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1A | 1.5A | 1A | 1A, 1A |
| Output Type | Fixed | Fixed | Adjustable | Adjustable (Fixed) |
| Output Voltage | 3.3V | 5V | 0.8V | 1.25V (2.5V) |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) | Over Current, Over Temperature | Over Current, Over Temperature | Over Current, Over Temperature |
| PSRR | 60dB ~ 45dB (120Hz ~ 100kHz) | 64dB (120Hz) | 50dB ~ 20dB (120Hz ~ 100kHz) | 60dB (120Hz) |
| Quiescent Current | 800 µA | 180 µA | 3 mA | 5 mA |
| Voltage Dropout | 0.5V @ 1A | 0.7V @ 1.5A | 1V @ 1A | 1.3V @ 1A, 1.3V @ 1A |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Action |
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