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JW7726CSOTB#TRPBF
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JoulWatt Tech 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
markdownJW7726CSOTB#TRPBF
JoulWatt Tech · DC-DC Converters · SOT-23-6
JW7726CSOTB#TRPBF from JoulWatt Tech, 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 | VCC | power_in | Power supply input for the controller; bypass a capacitor between VCC and GND, and the recommended VCC range is 4V to 8.5V. |
| 2 | GND | power_in | Ground reference for the controller. |
| 3 | GT | output | Drives the external NMOSFET gate; the recommended GT range is 4V to 8.5V, with maximum pull-up current of 0.6 A and maximum pull-down current of 4 A. |
| 4 | VT | input | Sets the voltage-second product threshold through the resistance connected at this pin. |
| 5 | SW | input | Senses the external power MOSFET drain voltage and charges VCC; the recommended SW range is 4.7V to 120V, with an absolute maximum of -1 to 140V. |
| 6 | VO | input | Senses the output voltage and charges VCC; the recommended VO range is 4.7V to 25V, with an absolute maximum of -0.3 to 28V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | JoulWatt Tech |
| 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 |
|---|---|---|---|---|---|---|---|
| VCC Voltage | VCC | 7.5 | 8 | 8.5 | V | SW=40V, VCC=2.2uF | 5 |
| VCC Startup voltage | VCC_Startup | 4.35 | 4.5 | 4.65 | V | 5 | |
| VCC UVLO | VCC_UVLO | 3.8 | 3.95 | 4.1 | V | 5 | |
| Gate Turn off Threshold in MOT | VGTOFF_MOT | 0.95 | 1 | 1.05 | V | 5 | |
| SW Regulation Voltage | VMOS_REG | -50 | -40 | -20 | mV | 5 | |
| SW Control Voltage MAX | VMOS_REG_MAX | -185 | -160 | -145 | mV | 5 | |
| VO Enable Charge Voltage | VO_EN | 4.5 | 4.6 | 4.7 | V | VCC=4V, SW=0V, rising | 5 |
| VO Disable Charge Voltage | VO_DIS | 4.4 | 4.5 | 4.6 | V | VCC=4V, SW=0V, falling | 5 |
| VCC Charge Current | ISW_CHG | 75 | 85 | mA | SW=40V, VCC=6V | 5 | |
| VO Charge Current | IVO_CHG | 33 | 40 | mA | SW=0V, VCC=6V, VO=12V | 5 | |
| SW Pin voltage (recommended operating) | 4.7 | 120 | V | 4 | |||
| VO Pin voltage (recommended operating) | 4.7 | 25 | V | 4 | |||
| VCC, GT Pin voltage (recommended operating) | 4 | 8.5 | V | 4 | |||
| Operation Junction Temperature | -40 | 125 | ºC | 4 | |||
| SW PIN voltage (absolute maximum) | -1 | 140 | V | 3 | |||
| VO PIN voltage (absolute maximum) | -0.3 | 28 | V | 3 | |||
| VCC, GT PIN voltage (absolute maximum) | -0.3 | 10 | V | 3 | |||
| VT PIN voltage (absolute maximum) | -0.3 | 7 | V | 3 | |||
| Junction Temperature | 150 | ºC | 3 | ||||
| Storage Temperature | -65 | 150 | ºC | 3 | |||
| ESD Susceptibility (Human Body Model) | 2 | kV | Human Body Model | 3 | |||
| Operation Current (GT On) | IVCC | 0.9 | mA | GT=5nF, VCC=2.2uF | 5 | ||
| Quiescent Current | Iq | 110 | uA | VCC=6V, VCC=2.2uF | 5 | ||
| Gate Turn on Threshold | VMOS_ON | -140 | mV | 5 | |||
| Gate Turn off Threshold | VMOS_OFF | -10 | mV | 5 | |||
| Maximum Gate Pull up current | IGU | 0.6 | A | 5 | |||
| Maximum Gate Pull down current | IGD | 4 | A | 5 | |||
| Gate Minimum on Time | TMIN_ON | 575 | ns | 5 | |||
| Absolutely Minimum off Time | TMIN_OFF | 365 | nS | 5 | |||
| Turn-on total delay | TDON | 50 | nS | CLOAD=4.7nF | 5 | ||
| Turn-off total delay | TDOF | 20 | nS | CLOAD=4.7nF | 5 |
CAD (KiCad official)
- Symbol:
JW7726CSOTB#TRPBF - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
jw7726csotb-trpbf-etched.step/jw7726csotb-trpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jw7726csotb-trpbf.step/jw7726csotb-trpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JoulWatt Tech datasheet (11 pp, sha256
2b6ed918d18758a4, 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).