component
LT1934ES6#TRMPBF
Public Made by Adomby adom
Analog Devices DC-DC Converters, TSOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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LT1934ES6#TRMPBF
Analog Devices · DC-DC Converters · TSOT-23-6
LT1934ES6#TRMPBF 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 | BOOST | power_in | The BOOST pin provides a drive voltage higher than the input voltage to the internal NPN power switch, with the boost capacitor needing at least the minimum boost voltage across it for full switch saturation; BOOST is rated to 40V and must not exceed 20V above the SW pin. |
| 2 | GND | power_in | The GND pin must be tied to a local ground plane below the LT1934 and the circuit components, and the feedback divider returns to this pin. |
| 3 | FB | input | The FB pin is regulated to 1.25V and connects to the feedback resistor divider tap, with VOUT = 1.25V × (1 + R1/R2), and its absolute maximum voltage is 6V. |
| 4 | SHDN | input | The SHDN pin shuts down the LT1934 when tied to ground, requires 2.3V or more for normal operation, is rated to 34V, and should be tied to VIN if shutdown is not used. |
| 5 | VIN | power_in | The VIN pin supplies current to the internal regulator and the internal power switch over the 3.2V to 34V input range and must be locally bypassed. |
| 6 | SW | output | The SW pin is the output of the internal power switch, connects to the inductor, catch diode and boost capacitor, and its voltage is limited to VIN. |
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 |
|---|---|---|---|---|---|---|---|
| Input Voltage (VIN) absolute maximum | VIN | 34 | V | 2 | |||
| BOOST Pin Voltage | 40 | V | 2 | ||||
| BOOST Pin Above SW Pin | 20 | V | 2 | ||||
| SHDN Pin voltage | 34 | V | 2 | ||||
| FB Voltage | 6 | V | 2 | ||||
| Maximum Junction Temperature | 125 | °C | 2 | ||||
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Lead Temperature (Soldering), TSOT-23 | 300 | °C | Soldering, 10 sec | 2 | |||
| Operating Temperature Range LT1934E/LT1934E-1 | -40 | 85 | °C | Note 2: LT1934E guaranteed 0°C to 85°C | 2 | ||
| Thermal resistance junction-to-ambient, S6 (TSOT-23) package | θJA | 250 | °C/W | S6 package | 2 | ||
| Thermal resistance junction-to-case, S6 (TSOT-23) package | θJC | 102 | °C/W | S6 package | 2 | ||
| Undervoltage Lockout | 3 | 3.2 | 3.6 | V | -40°C ≤ TA ≤ 85°C | 3 | |
| Undervoltage Lockout | 3 | 3.6 | V | -40°C ≤ TA ≤ 125°C | 3 | ||
| Quiescent Current | 12 | 22 | μA | VFB = 1.3V; -40°C ≤ TA ≤ 85°C | 3 | ||
| Quiescent Current | 12 | 26 | μA | VFB = 1.3V; -40°C ≤ TA ≤ 125°C | 3 | ||
| Quiescent Current in shutdown | 0.01 | 2 | μA | VSHDN = 0V | 3 | ||
| FB Comparator Trip Voltage | 1.22 | 1.25 | 1.27 | V | VFB Falling; -40°C ≤ TA ≤ 85°C | 3 | |
| FB Comparator Trip Voltage | 1.21 | 1.25 | 1.27 | V | VFB Falling; -40°C ≤ TA ≤ 125°C | 3 | |
| FB Pin Bias Current | -15 | 2 | 15 | nA | VFB = 1.25V; -40°C ≤ TA ≤ 85°C | 3 | |
| FB Pin Bias Current | -60 | 2 | 60 | nA | VFB = 1.25V; -40°C ≤ TA ≤ 125°C | 3 | |
| Maximum Duty Cycle | 85 | 88 | % | VFB = 1V; -40°C ≤ TA ≤ 85°C | 3 | ||
| Maximum Duty Cycle | 83 | 88 | % | VFB = 1V; -40°C ≤ TA ≤ 125°C | 3 | ||
| Switch VCESAT (S6 Package) | 200 | 300 | mV | ISW = 300mA (LT1934, S6 Package) | 3 | ||
| Switch Current Limit | 350 | 400 | 490 | mA | LT1934 | 3 | |
| BOOST Pin Current | 8.5 | 12 | mA | ISW = 300mA (LT1934) | 3 | ||
| Minimum Boost Voltage | 1.8 | 2.5 | V | ISW = 300mA (LT1934); Note 3 | 3 | ||
| Switch Leakage Current | 2 | μA | 3 | ||||
| SHDN Pin Current | 1.5 | 5 | μA | VSHDN = 34V | 3 | ||
| SHDN Input Voltage High | 2.3 | V | 3 | ||||
| SHDN Input Voltage Low | 0.25 | V | 3 | ||||
| Switch Off Time | 1.4 | 1.8 | 2.3 | μs | VFB > 1V | 3 |
CAD (KiCad official)
- Symbol:
LT1934ES6#TRMPBF - Footprint:
Package_TO_SOT_SMD:TSOT-23-6 - 3D model: TSOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
lt1934es6-trmpbf-etched.step/lt1934es6-trmpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt1934es6-trmpbf.step/lt1934es6-trmpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (20 pp, sha256
f362137101823895, retrieved 2026-10-29, 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).