STMicroelectronics L4909 Linear Controllers
Linear Voltage Regulator IC Positive Adjustable 3 Output 1.2A, 1.2A, 1.2A 15-Multiwatt
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4909
Detailed Description
IC REG LIN POS ADJ 15MULTIWATT
Package
Multiwatt-15 (Vertical, Bent and Staggered Leads)
Key Features
Package / Case: Multiwatt-15 (Vertical, Bent and Staggered Leads); Mounting Type: Through Hole
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
L4909 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4909 Linear Controllers technical specifications.
General
Package / Case
Multiwatt-15
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C
Lifecycle Status
Obsolete
Output Type
Adjustable
Max Input Voltage
40V
Current Supply Max
29 mA
Output Current
1.2A, 1.2A, 1.2A
Quiescent Current
11 mA
Control Features
Enable, Trigger
Alternate Parts Comparison (L4909 vs L7805CV-DG vs L78M15ABDT-TR vs L78M05CDT-TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Through Hole | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 125°C | -40°C ~ 125°C | 0°C ~ 150°C |
| Max Input Voltage | 40V | 18 V | 30 V | 25 V |
| Number of Regulators | 3 | 1 | 1 | 1 |
| Output Current | 1.2A, 1.2A, 1.2A | 1.5 A | 500 mA | 500 mA |
| Output Type | Adjustable | Fixed | Fixed | Fixed |
| Output Voltage | 5V | 5 V | 15 V | 5 V |
| PSRR | 60dB (120Hz ~ 1kHz) | 62 dB | 54 dB | 62 dB |
| Quiescent Current | 11 mA | 8 mA | 6 mA | 6 mA |
| Voltage Dropout | 2.2V @ 500mA, 2.2V @ 500mA, 2.2V @ 500mA | 2 V | 2 V | 2 V |
| Package / Case | Multiwatt-15 | TO-220-3 | TO-252-3, DPak | TO-252-3, DPak |
| Output Configuration | Positive | Positive | Positive | Positive |
| Action |
More Parts in Voltage Regulators - Linear
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
L4936EHSTMicroelectronicsLinear Voltage Regulator IC Positive Adjustable (Fixed) 2 Output 100mA, 400mA 15-Multiwatt
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L78M05CDT-TRSTMicroelectronicsLinear Voltage Regulator, Fixed, Positive Output, 35 V, 5 V, 500 mA, 3 Pins, TO-252 (DPAK)
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