component
LM4041DADJFTA
Public Made by Adomby adom
Diodes Incorporated Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM4041DADJFTA
Diodes Incorporated · Voltage Reference · SOT-23
LM4041DADJFTA from Diodes Incorporated, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | REF | input | Reference input of the adjustable LM4041-ADJ, where the output voltage is set by the ratio of two external feedback resistors and the internal reference voltage VR (1.233 V typ at 25 °C); reference input current IREF is 200 nA max over -40 to 125 °C. |
| 2 | CATHODE | passive | Output of the shunt reference, adjustable from 1.24 V to 10 V per the recommended operating conditions. |
| 3 | ANODE | passive | Return terminal of the shunt reference, which must carry at least the minimum operating current IRMIN (73 µA max over -40 to 125 °C) and no more than 12 mA reverse current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23 |
| Category | Power Management (PMIC) |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage (VREF) | VREF | 1.233 | V | IR = 100 µA, VKA = 5V; TA = 25°C | 3 | ||
| Reverse Breakdown Voltage Tolerance | VREF | -12 | 12 | mV | IR = 100 µA, VKA = 5V; TA = 25°C | 3 | |
| Reverse Breakdown Voltage Tolerance | VREF | -24 | 24 | mV | IR = 100 µA, VKA = 5V; TA = -40 to 85°C | 3 | |
| Reverse Breakdown Voltage Tolerance | VREF | -30 | 30 | mV | IR = 100 µA, VKA = 5V; TA = -40 to 125°C | 3 | |
| Minimum Operating Current | IRMIN | 45 | 65 | µA | TA = 25°C | 3 | |
| Minimum Operating Current | IRMIN | 70 | µA | TA = -40 to 85°C | 3 | ||
| Minimum Operating Current | IRMIN | 73 | µA | TA = -40 to 125°C | 3 | ||
| Average Reverse Breakdown Voltage Temperature Coefficient | ΔVR/ΔT | -150 | 15 | 150 | ppm/°C | IR = 1 mA | 3 |
| Reverse Breakdown Change With Current | ΔVR/ΔIR | 0.7 | 2 | mV | IRMIN < IR < 1mA, TA = 25°C | 3 | |
| Reverse Breakdown Change With Current | ΔVR/ΔIR | 2.5 | mV | IRMIN < IR < 1mA, TA = -40 to 85°C | 3 | ||
| Reverse Breakdown Change With Current | ΔVR/ΔIR | 2 | 6 | mV | 1mA < IR < 12 mA, TA = 25°C | 3 | |
| Reverse Breakdown Change With Current | ΔVR/ΔIR | 8 | mV | 1mA < IR < 12 mA, TA = -40 to 85°C | 3 | ||
| Reverse Breakdown Change With Current | ΔVR/ΔIR | 10 | mV | 1mA < IR < 12 mA, TA = -40 to 125°C | 3 | ||
| Reference voltage change with cathode voltage change | ΔVR/ΔVK | -2.5 | -1.55 | mV/V | IR = 1mA, TA = 25°C | 3 | |
| Reference voltage change with cathode voltage change | ΔVR/ΔVK | -3 | mV/V | IR = 1mA, TA = -40 to 85°C | 3 | ||
| Reference voltage change with cathode voltage change | ΔVR/ΔVK | -4 | mV/V | IR = 1mA, TA = -40 to 125°C | 3 | ||
| Reference input current | IREF | 60 | 150 | nA | TA = 25°C | 3 | |
| Reference input current | IREF | 200 | nA | TA = -40 to 85°C | 3 | ||
| Dynamic Output Impedance (VKA = VREF) | ZR | 0.5 | Ω | IR = 1mA, f = 120Hz, IAC = 0.1IR, VKA = VREF | 3 | ||
| Dynamic Output Impedance (VKA = 10V) | ZR | 2 | Ω | IR = 1mA, f = 120Hz, IAC = 0.1IR, VKA = 10V | 3 | ||
| Noise Voltage | en | 20 | µVRMS | IR = 100µA, 10Hz < f < 10kHz | 3 | ||
| Long Term Stability (Non cumulative) | ΔVR | 120 | ppm | t = 1000Hrs, IR = 100µA | 3 | ||
| Reverse Current (recommended) | IR | 0.06 | 12 | mA | 2 | ||
| Output Voltage Range (recommended) | VKA | 1.24 | 10 | V | 2 | ||
| Operating Ambient Temperature Range | TA | -40 | 125 | °C | 2 | ||
| Continuous Reverse Current | IR | 20 | mA | 2 | |||
| Continuous Forward Current | IF | 10 | mA | 2 | |||
| Maximum Output Voltage (LM4041_ADJ) | VO | 15 | V | 2 | |||
| Junction Temperature | TJ | -40 | 155 | °C | 2 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 2 | ||
| ESD Human Body Model | ESD HBM | 4000 | V | 2 | |||
| ESD Machine Model | ESD MM | 200 | V | 2 | |||
| Thermal resistance junction-to-ambient (SOT23) | θJA | 380 | °C/W | TA = 25°C, TJ = 150°C | 2 | ||
| Power dissipation (SOT23) | PDIS | 330 | mW | TA = 25°C, TJ = 150°C | 2 |
CAD (KiCad official)
- Symbol:
LM4041DADJFTA - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
lm4041dadjfta-etched.step/lm4041dadjfta-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm4041dadjfta.step/lm4041dadjfta.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (7 pp, sha256
da300ed6a8e9ed67, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).