# TPS565208DDCR

**Texas Instruments** · DC-DC Converters · TSOT-23-6

TPS565208DDCR from Texas Instruments, in a TSOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | GND | power_in | Ground pin; source terminal of low-side power NFET and ground reference for controller circuit; connect VFB feedback at single point to this GND. |
| 2 | SW | output | Switch node connection between high-side NFET and low-side NFET. |
| 3 | VIN | power_in | Input voltage supply pin with range 4.5V to 17V; drain terminal of high-side power NFET. |
| 4 | VFB | input | Converter feedback input connected to output voltage through feedback resistor divider; VFB threshold voltage 753 to 767 mV. |
| 5 | EN | input | Enable input control, active high and must be pulled up to enable device; high-level input voltage 1.6V, low-level input voltage 0.8V. |
| 6 | VBST | output | Supply input for high-side NFET gate drive circuit; connect 0.1µF capacitor between VBST and SW pins. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSOT-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 |
|---|---|---|---|---|---|---|---|
| Operating non-switching supply current (VIN) | IVIN |  | 590 | 780 | µA | VIN current, EN = 5 V, VFB = 1 V | 5 |
| Shutdown supply current (VIN) | IVINSDN |  | 0.8 | 5 | µA | VIN current, EN = 0 V | 5 |
| EN pin resistance to GND | REN | 120 | 245 | 400 | kΩ | VEN = 12 V | 5 |
| VFB threshold voltage | VFBTH | 753 | 760 | 767 | mV |  | 5 |
| VFB input current | IVFB | -0.1 | 0 | 0.1 | µA | TA = 25°C, VFB = 0.8 V | 5 |
| Current limit | IOCL | 5.3 | 6.7 | 8 | A |  | 5 |
| Input voltage VIN, EN (absolute maximum) | VIN, EN | -0.3 |  | 19 | V |  | 4 |
| Input voltage VBST (absolute maximum) | VBST | -0.3 |  | 25 | V |  | 4 |
| Input voltage VBST 10 ns transient (absolute maximum) | VBST | -0.3 |  | 27 | V | 10 ns transient | 4 |
| VBST vs SW (absolute maximum) | VBST (vs SW) | -0.3 |  | 6.5 | V |  | 4 |
| VFB (absolute maximum) | VFB | -0.3 |  | 6.5 | V |  | 4 |
| SW (absolute maximum) | SW | -2 |  | 19 | V |  | 4 |
| SW 10 ns transient (absolute maximum) | SW | -3.5 |  | 21 | V | 10 ns transient | 4 |
| Operating junction temperature (absolute maximum) | TJ | -40 |  | 150 | °C |  | 4 |
| Storage temperature | Tstg | -55 |  | 150 | °C |  | 4 |
| Supply input voltage range VIN | VIN | 4.5 |  | 17 | V |  | 4 |
| Input voltage range VBST | VI | -0.1 |  | 23 | V |  | 4 |
| Input voltage range VBST 10 ns transient | VI | -0.1 |  | 26 | V | 10 ns transient | 4 |
| Input voltage range VBST (vs SW) | VI | -0.1 |  | 6 | V | VBST vs SW | 4 |
| Input voltage range EN | VI | -0.1 |  | 17 | V | EN | 4 |
| Input voltage range VFB | VI | -0.1 |  | 5.5 | V | VFB | 4 |
| Input voltage range SW | VI | -1.8 |  | 17 | V | SW | 4 |
| Input voltage range SW 10 ns transient | VI | -3.5 |  | 20 | V | SW, 10 ns transient | 4 |
| Operating junction temperature (recommended) | TJ | -40 |  | 125 | °C |  | 4 |
| Junction-to-ambient thermal resistance | RθJA |  | 95.9 |  | °C/W | DDC (SOT) 6-pin package | 4 |
| Junction-to-case (top) thermal resistance | RθJC(top) |  | 35.6 |  | °C/W | DDC (SOT) 6-pin package | 4 |
| Junction-to-board thermal resistance | RθJB |  | 16.4 |  | °C/W | DDC (SOT) 6-pin package | 4 |
| Junction-to-top characterization parameter | ψJT |  | 1.4 |  | °C/W | DDC (SOT) 6-pin package | 4 |
| Junction-to-board characterization parameter | ψJB |  | 16.4 |  | °C/W | DDC (SOT) 6-pin package | 4 |

## CAD (KiCad official)

- Symbol: `TPS565208DDCR`
- Footprint: `Package_TO_SOT_SMD:TSOT-23-6`
- 3D model: TSOT-23-6 (KiCad packages3D, STEP)
- 3D model files: `tps565208ddcr-etched.step` / `tps565208ddcr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tps565208ddcr.step` / `tps565208ddcr.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tps565208) (28 pp, sha256 `ee906e2a31c60093`, retrieved 2026-09-23, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-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).

[Datasheet PDF](docs/tps565208ddcr-datasheet.pdf)