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LT6654AHS6-2.5#TRPBF
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Analog Devices Voltage References, TSOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Symbol & Footprint
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Contents
README
markdownLT6654AHS6-2.5#TRPBF
Analog Devices · Voltage References · TSOT-23-6
LT6654AHS6-2.5#TRPBF from Analog Devices, in a TSOT-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 | GND | power_in | Internal-function ground pin that must be tied to GND near Pin 2. |
| 2 | GND | power_in | Primary device ground for the LT6654. |
| 3 | DNC | unconnected | Do not connect; keep leakage current from this pin to VIN or GND to a minimum. |
| 4 | VIN | power_in | Power supply input; bypass with a 0.1µF capacitor to ground, operating with (VOUT + 0.5V) < VIN < 36V. |
| 5 | DNC | unconnected | Do not connect; keep leakage current from this pin to VIN or GND to a minimum. |
| 6 | VOUT | power_out | Voltage reference output; an output capacitor of 1µF minimum is required for stable operation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | TSOT-23-6 |
| Category | Power Management ICs |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage Accuracy (LT6654AH, 2.5V) | -0.215 | 0.215 | % | l: full operating temperature range | 6 | ||
| Output Voltage Temperature Coefficient (LT6654A) | 3 | 10 | ppm/°C | LT6654A grade; l: full operating temperature range; Note 3 | 6 | ||
| Line Regulation (LT6654-2.5) | 1.2 | 5 | ppm/V | VOUT + 0.5V ≤ VIN ≤ 36V; l | 6 | ||
| Load Regulation IOUT(SOURCE) | 3 | 8 | ppm/mA | IOUT(SOURCE) = 10mA; LT6654-2.048, -2.5, -3, -3.3, -4.096, -5 group; l; Note 4 | 6 | ||
| Load Regulation IOUT(SINK) | 9 | 20 | ppm/mA | IOUT(SINK) = 10mA; LT6654-2.048, -2.5, -3, -3.3, -4.096, -5 group; l; Note 4 | 6 | ||
| Dropout Voltage (VIN, VOUT) | 55 | 100 | mV | ΔVOUT = 0.1%, IOUT = 0mA; LT6654-2.048 to -5 group; l | 6 | ||
| Dropout Voltage (VIN, VOUT) | 120 | mV | ΔVOUT = 0.1%, IOUT(SOURCE) = 10mA; LT6654-2.048 to -5 group; l | 6 | |||
| Dropout Voltage (VIN, VOUT) | 450 | mV | ΔVOUT = 0.1%, IOUT(SINK) = -10mA; LT6654-2.048 to -5 group; l | 6 | |||
| Supply Current | 350 | 600 | µA | No load; l | 6 | ||
| Output Short-Circuit Current (short VOUT to GND) | 40 | mA | Short VOUT to GND | 6 | |||
| Output Short-Circuit Current (short VOUT to VIN) | 30 | mA | Short VOUT to VIN | 6 | |||
| Output Voltage Noise (LT6654-2.5) | 1.5 | ppmP-P | 0.1Hz ≤ f ≤ 10Hz; Note 6 | 6 | |||
| Turn-On Time | 150 | µs | 0.1% settling, CLOAD = 1µF | 7 | |||
| Long-Term Drift of Output Voltage (S6) | 60 | ppm/√kHr | LT6654S6; Note 7 | 7 | |||
| Hysteresis (S6) | 15 | ppm | ΔT = 0°C to 70°C; Note 8 | 7 | |||
| Hysteresis (S6) | 30 | ppm | ΔT = -40°C to 85°C; Note 8 | 7 | |||
| Hysteresis (S6) | 40 | ppm | ΔT = -40°C to 125°C; Note 8 | 7 | |||
| Hysteresis (S6) | 50 | ppm | ΔT = -55°C to 125°C; Note 8 | 7 | |||
| Input Voltage VIN to GND | VIN | -0.3 | 38 | V | 2 | ||
| Output Voltage | VOUT | -0.3 | V | Maximum printed as VIN + 0.3V | 2 | ||
| Storage Temperature Range | -65 | 150 | °C | Note 2 | 2 | ||
| Operating Temperature Range (absolute) | -55 | 125 | °C | 2 | |||
| Specified Temperature Range (H-Grade) | -40 | 125 | °C | H-grade part (LT6654AHS6-2.5) | 2 | ||
| Input Voltage VIN | VIN | 36 | V | (VOUT + 0.5V) < VIN < 36V | 1 | ||
| Output Current (sink and source) | IOUT | -10 | 10 | mA | Sinks and sources ±10mA | 1 | |
| Output Capacitor | CL | 1 | µF | Required for stable operation | 12 | ||
| Thermal Resistance Junction-to-Ambient (6-lead TSOT-23) | θJA | 192 | °C/W | S6 package | 2 | ||
| Maximum Junction Temperature | TJMAX | 150 | °C | S6 package | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | abs | Plastic mould compounds absorb water. With changes in | 18 |
CAD (KiCad official)
- Symbol:
LT6654AHS6-2.5#TRPBF - Footprint:
Package_TO_SOT_SMD:TSOT-23-6 - 3D model: TSOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
lt6654ahs6-2-5-trpbf-etched.step/lt6654ahs6-2-5-trpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt6654ahs6-2-5-trpbf.step/lt6654ahs6-2-5-trpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (24 pp, sha256
7793895f1475d122, retrieved 2026-10-30, tier: manufacturer) - 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).