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MAX1836EUT50+T
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Analog Devices Inc Maxim Integrated DC-DC Converters, SOT-23-6. 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
markdownMAX1836EUT50+T
Analog Devices Inc Maxim Integrated · DC-DC Converters · SOT-23-6
MAX1836EUT50+T from Analog Devices Inc Maxim Integrated, in a SOT-23-6. 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 | FB | input | Dual-mode feedback input: connect to GND for the preset 5.0V output, or to a resistive divider from the output to set 1.25V to VIN with OUT connected to GND. |
| 2 | GND | power_in | Ground reference for the device. |
| 3 | IN | power_in | Input voltage with a 4.5V to 24V input range; connected to the internal p-channel power MOSFET source. |
| 4 | LX | output | Inductor connection to the internal p-channel power MOSFET drain; LX is high impedance in shutdown. |
| 5 | SHDN | input | Shutdown input: a logic-low shuts down the device and reduces supply current to 3µA, connect to IN for normal operation, and the input slew rate must exceed 10V/ms. |
| 6 | OUT | input | Regulated output high-impedance sense input: connect to the output for the preset voltage, or to GND when using an external resistive divider. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc Maxim Integrated |
| Package | SOT-23-6 |
| Category | Power Management (PMIC) |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Supply Range | VIN | 4.5 | 24 | V | 2 | ||
| Input Undervoltage Lockout Threshold (rising) | VUVLO | 3.55 | 4 | 4.4 | V | VIN rising | 2 |
| Input Undervoltage Lockout Threshold (falling) | VUVLO | 3.45 | 3.9 | 4.3 | V | VIN falling | 2 |
| Input Supply Current | IIN | 12 | 25 | µA | 2 | ||
| Input Supply Current in Dropout | IIN(DROP) | 18 | µA | VIN = 5V | 2 | ||
| Input Shutdown Current | ISHDN | 3 | 7 | µA | SHDN = GND | 2 | |
| Output Voltage (Preset Mode), MAX1836EUT50 | VOUT | 4.8 | 5 | 5.2 | V | FB = GND, ILOAD = 0 to 125mA (MAX1836) or 250mA (MAX1837) | 2 |
| Output Voltage Range (Adjustable Mode) | VOUT | 1.25 | V | (Note 2) | 2 | ||
| Feedback Set Voltage (Adjustable Mode) | VFB | 1.2 | 1.25 | 1.3 | V | 2 | |
| OUT Bias Current | 2.5 | 7.4 | µA | VOUT = 5V | 2 | ||
| FB Bias Current | IFB | -25 | 25 | nA | VFB = 0 or 1.25V, TA = +25°C | 2 | |
| FB Dual Mode Threshold | 50 | 100 | 150 | mV | VFB rising or falling | 2 | |
| LX Switch Minimum Off-Time | tOFF(MIN) | 0.2 | 0.4 | 0.6 | µs | 2 | |
| LX Switch Maximum On-Time | tON(MAX) | 7 | 10 | 13 | µs | VFB = 1.3V | 2 |
| LX Switch On-Resistance | RLX | 1.1 | 2 | Ω | VIN = 6V | 2 | |
| LX Current Limit (MAX1836 row) | ILIM | 250 | 312 | 450 | mA | 2 | |
| LX Zero-Crossing Threshold | -75 | 75 | mV | 2 | |||
| Zero-Crossing Timeout | 30 | µs | LX does not rise above the threshold | 3 | |||
| LX Switch Leakage Current | 1 | µA | VIN = 18V, LX = GND, TA = +25°C | 3 | |||
| Dropout Voltage | VDROPOUT | 120 | mV | IOUT = 100mA, VIN = 5V | 3 | ||
| Line Regulation | 0.05 | % | VIN = 5V to 24V | 3 | |||
| Load Regulation | 0.3 | % | IOUT = 0 to 125mA (MAX1836) or 250mA (MAX1837) | 3 | |||
| Shutdown Input Threshold | VSHDN | 0.8 | 2.4 | V | VIN = 4.5V to 24V (Note 3) | 3 | |
| Shutdown Leakage Current | ISHDN | -1 | 1 | µA | VSHDN = 0 or 24V | 3 | |
| Thermal Shutdown | 160 | °C | 10°C hysteresis (typ) | 3 | |||
| IN, SHDN to GND | -0.3 | 25 | V | 2 | |||
| LX to GND | -2 | V | 2 | ||||
| OUT, FB to GND | -0.3 | 6 | V | 2 | |||
| Operating Temperature Range | -40 | 85 | °C | 2 | |||
| Junction Temperature | TJ | 150 | °C | 2 | |||
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Lead Temperature (soldering) | 300 | °C | 10s | 2 |
CAD (KiCad official)
- Symbol:
MAX1836EUT50+T - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
max1836eut50-t-etched.step/max1836eut50-t-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);max1836eut50-t.step/max1836eut50-t.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices Inc Maxim Integrated datasheet (15 pp, sha256
fdd296284c23bec2, retrieved 2026-10-19, 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).