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LT3090IDD#TRPBF
Public Made by Adomby adom
Analog Devices Linear Voltage Regulators (LDO), WDFN-10-EP(3x3). 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
markdownLT3090IDD#TRPBF
Analog Devices · Linear Voltage Regulators (LDO) · WDFN-10-EP(3x3)
LT3090IDD#TRPBF from Analog Devices, in a WDFN-10-EP(3x3). 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 | IN | power_in | Input pin that supplies power to the regulator; all IN pins must be tied together and the LT3090 requires an input bypass capacitor, typically 2.2µF to 4.7µF. |
| 2 | IN | power_in | Input pin that supplies power to the regulator; all IN pins must be tied together and the LT3090 requires an input bypass capacitor, typically 2.2µF to 4.7µF. |
| 3 | ILIM | input | Current limit programming pin where a resistor between ILIM and IN sets the limit with a nominal 10A•kΩ scale factor, and ILIM must not be driven more than 0.3V below IN. |
| 4 | IMONP | passive | Positive current monitor pin that sources 1/2000 of output current through a resistor to GND, and must not be driven more than 0.3V below IN; tie to IN if unused. |
| 5 | IMONN | passive | Negative current monitor pin that sinks 1/1000 of output current through a resistor to GND, must be at least 2V above IN and IMONP when used, and must not be driven more than 0.3V below IN; tie to GND if unused. |
| 6 | SHDN | input | Bidirectional shutdown pin where the output is off within ±0.45V of GND and on beyond ±1.4V, with a maximum pin current of 7µA out (negative logic) or 30µA in (positive logic), and it must not be floated or driven more than 0.3V below IN. |
| 7 | SET | input | Inverting error amplifier input and regulation setpoint that receives a precision 50µA current, where a resistor to GND programs the output voltage and the pin must not be driven more than 0.3V below IN. |
| 8 | GND | power_in | Ground pin that supplies the quiescent current and NPN pass transistor drive current, and must not be driven more than 0.3V below IN. |
| 9 | OUT | power_out | Output pin that supplies power to the load; all OUT pins should be tied together, with a minimum 4.7µF output capacitor of ESR less than 0.5Ω and a minimum 10µA load current for stability. |
| 10 | OUT | power_out | Output pin that supplies power to the load; all OUT pins should be tied together, with a minimum 4.7µF output capacitor of ESR less than 0.5Ω and a minimum 10µA load current for stability. |
| 11 | IN | power_in | Exposed backside pad that is an electrical connection to IN and the device substrate and must be soldered to the PCB for proper electrical and thermal performance. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | WDFN-10-EP(3x3) |
| Category | Power Management ICs |
| Pins | 11 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| IN pin voltage with respect to GND | -40 | 0.3 | V | Note 3; printed as '0.3V, -40V', sign of 0.3V not clear in extraction | 2 | ||
| ILIM pin voltage with respect to IN pin | -0.3 | 0.7 | V | with respect to IN pin (Note 3) | 2 | ||
| IMONP pin voltage with respect to IN pin | -0.3 | 40 | V | with respect to IN pin (Note 3) | 2 | ||
| IMONP pin voltage with respect to GND pin | -40 | 20 | V | with respect to GND pin | 2 | ||
| IMONP pin voltage with respect to IMONN pin | -40 | 20 | V | with respect to IMONN pin | 2 | ||
| IMONN pin voltage with respect to IN pin | -0.3 | 40 | V | with respect to IN pin (Note 3) | 2 | ||
| IMONN pin voltage with respect to GND pin | -40 | 20 | V | with respect to GND pin | 2 | ||
| SHDN pin voltage with respect to IN pin | -0.3 | 55 | V | with respect to IN pin (Note 1, Note 3) | 2 | ||
| SHDN pin voltage with respect to GND pin | -40 | 20 | V | with respect to GND pin (Note 1) | 2 | ||
| SET pin voltage with respect to IN pin | -0.3 | 36 | V | with respect to IN pin (Note 3) | 2 | ||
| SET pin voltage with respect to GND pin | -36 | 36 | V | with respect to GND pin, printed ±36V | 2 | ||
| SET pin current | -5 | 5 | mA | Note 9, printed ±5mA | 2 | ||
| OUT pin voltage with respect to IN pin | -0.3 | 36 | V | with respect to IN pin (Note 3) | 2 | ||
| OUT pin voltage with respect to GND pin | -36 | 36 | V | with respect to GND pin, printed ±36V | 2 | ||
| Operating junction temperature range (E-, I-Grade) | TJ | -40 | 125 | °C | E-, I-Grade (Note 2) | 2 | |
| Maximum junction temperature | TJMAX | 150 | °C | DD package | 2 | ||
| Storage temperature range | TSTG | -65 | 150 | °C | 2 | ||
| SET pin current (ISET), 25°C row | ISET | 49.5 | 50 | 50.5 | µA | VIN = -1.9V, ILOAD = 1mA, -36V < VIN < -1.9V, 1mA < ILOAD < 600mA (Note 5) | 3 |
| SET pin current (ISET), full operating temperature range | ISET | 49 | 50 | 51 | µA | VIN = -1.9V, ILOAD = 1mA, -36V < VIN < -1.9V, 1mA < ILOAD < 600mA (Note 5); l = full temperature range | 3 |
| Output offset voltage (VOUT, VSET), 25°C row | VOS | -1 | 1 | mV | VIN = -1.9V, ILOAD = 1mA, -36V < VIN < -1.9V, 1mA < ILOAD < 600mA (Note 5) | 3 | |
| Output offset voltage (VOUT, VSET), full operating temperature range | VOS | -2 | 2 | mV | VIN = -1.9V, ILOAD = 1mA, -36V < VIN < -1.9V, 1mA < ILOAD < 600mA (Note 5); l = full temperature range | 3 | |
| Load regulation ΔVOS | ΔVOS | 1.2 | 2.5 | mV | ILOAD = 1mA to 600mA, VIN = -1.9V (Note 6); l = full temperature range | 3 | |
| Output regulation with SET pin voltage change ΔISET/ΔVSET | ΔISET/ΔVSET | 0.2 | 1 | nA/V | VSET = 0V to -32V, VIN = -36V, ILOAD = 1mA; l = full temperature range | 3 | |
| Output regulation with SET pin voltage change ΔVOS/ΔVSET | ΔVOS/ΔVSET | 2.5 | 30 | µV/V | VSET = 0V to -32V, VIN = -36V, ILOAD = 1mA; l = full temperature range | 3 | |
| GND pin current at ILOAD = 10µA | IGND | 1 | 1.4 | mA | VIN = VOUT(NOMINAL) (Note 8), ILOAD = 10µA; l = full temperature range | 3 | |
| GND pin current at ILOAD = 1mA | IGND | 1.05 | 1.4 | mA | VIN = VOUT(NOMINAL) (Note 8), ILOAD = 1mA; l = full temperature range | 3 | |
| GND pin current at ILOAD = 100mA | IGND | 2.6 | 5 | mA | VIN = VOUT(NOMINAL) (Note 8), ILOAD = 100mA; l = full temperature range | 3 | |
| GND pin current at ILOAD = 600mA | IGND | 11.5 | 22.5 | mA | VIN = VOUT(NOMINAL) (Note 8), ILOAD = 600mA; l = full temperature range | 3 | |
| Quiescent current in shutdown | 0.1 | 1 | µA | VIN = -6V, VSHDN = 0V | 3 | ||
| Quiescent current in shutdown, full operating temperature range | 10 | µA | VIN = -6V, VSHDN = 0V; l = full temperature range | 3 | |||
| SHDN pin current at VSHDN = 0V | ISHDN | -1 | 1 | µA | VSHDN = 0V (Note 10); printed ±1 | 3 | |
| SHDN pin current at VSHDN = 15V | ISHDN | 21 | 30 | µA | VSHDN = 15V (Note 10) | 3 | |
| SHDN pin current at VSHDN = -15V | ISHDN | -7 | -4.5 | µA | VSHDN = -15V (Note 10) | 3 | |
| SHDN pin positive turn-ON threshold | 1.14 | 1.23 | 1.32 | V | Positive SHDN rising; l = full temperature range | 3 | |
| SHDN pin negative turn-ON threshold (in magnitude) | -1.36 | -1.27 | -1.18 | V | Negative SHDN rising (in magnitude); l = full temperature range | 3 | |
| Internal current limit at VIN = -1.9V, VOUT = 0V | 650 | 750 | 850 | mA | VIN = -1.9V, VOUT = 0V (Note 13); l = full temperature range | 3 | |
| Internal current limit at VIN = -1.9V, ΔVOUT < 10mV | 630 | 730 | 830 | mA | VIN = -1.9V, ΔVOUT < 10mV; l = full temperature range | 3 | |
| Programming scale factor (programmable current limit) | 460 | 500 | 540 | A•kΩ | -36V < VIN < -1.9V, IOUT > 50mA (Note 14); l = full temperature range | 3 | |
| Max IOUT with RILIM = 100k | 85 | 100 | 115 | mA | VIN = -1.9V, RILIM = 100k; l = full temperature range | 3 | |
| Positive current monitoring (IMONP) scale factor at IOUT = 600mA | 280 | 300 | 320 | mA/A | IOUT = 600mA, VIN = -2.5V, VIMONN = 2V, VIMONP = 0V; l = full temperature range | 4 | |
| IMONP pin current at IOUT = 100mA | IMONP | 42.5 | 50 | 57.5 | µA | IOUT = 100mA, VIN = -2.5V, VIMONN = 2V, VIMONP = 0V; l = full temperature range | 4 |
| Negative current monitoring (IMONN) scale factor at IOUT = 600mA | 560 | 600 | 640 | mA/A | IOUT = 600mA, VIN = -2.5V, VIMONN = 0V, VIMONP = -2.5V; l = full temperature range | 4 | |
| IMONN pin current at IOUT = 100mA | IMONN | 85 | 100 | 115 | µA | IOUT = 100mA, VIN = -2.5V, VIMONN = 0V, VIMONP = -2.5V; l = full temperature range | 4 |
| Minimum required load current | 10 | µA | -36V < VIN < -1.9V (Note 4); l = full temperature range | 4 | |||
| Ripple rejection, 120Hz | 70 | 85 | dB | VIN, VOUT = -1.5V (Avg), VRIPPLE = 500mVP-P, fRIPPLE = 120Hz, ILOAD = 100mA, COUT = 4.7µF, CSET = 0.47µF | 3 | ||
| Thermal resistance junction-to-ambient (DD package) | θJA | 34 | °C/W | DD package, printed in Pin Configuration | 2 | ||
| Thermal resistance junction-to-case (DD package) | θJC | 5.5 | °C/W | DD package, printed in Pin Configuration | 2 |
CAD (KiCad official)
- Symbol:
LT3090IDD#TRPBF - Footprint:
Package_DFN_QFN:WDFN-10-1EP_3x3mm_P0.5mm_EP1.8x2.5mm - 3D model: WDFN-10-EP(3x3), generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.75 mm nominal WSON height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
lt3090idd-trpbf-etched.step/lt3090idd-trpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt3090idd-trpbf.step/lt3090idd-trpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (36 pp, sha256
a02e3baeccf7ef6c, retrieved 2026-10-31, 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).