# LM2596HVGDP-ADJ

**HTC Korea TAEJIN Tech** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOP-8-EP

LM2596HVGDP-ADJ from HTC Korea TAEJIN Tech, in a SOP-8-EP. 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 | VIN | power_in | Input supply pin, with an operating range of 4.5 V to 60 V and an absolute maximum supply voltage of 63 V. |
| 2 | VOUT | power_out | Regulated output to the load, rated for a maximum load current of 3.0 A, with the output voltage to GND limited to a minimum of -1 V. |
| 3 | FB/ADJ | input | Output voltage feedback or adjust input, where VOUT = VFB(1 + R2/R1) with VFB = 1.23 V and FB pin voltage rated -0.3 V to 25 V absolute maximum. |
| 4 | ON/OFF | input | Shutdown control input with a threshold of 0.6 V to 2.0 V (typical 1.3 V), rated -0.3 V to 60 V absolute maximum. |
| 5 | GND | power_in | Ground reference pin, which is one of four GND pins (5 to 8) on the SOP-8PP package. |
| 6 | GND | power_in | Ground reference pin, which is one of four GND pins (5 to 8) on the SOP-8PP package. |
| 7 | GND | power_in | Ground reference pin, which is one of four GND pins (5 to 8) on the SOP-8PP package. |
| 8 | GND | power_in | Ground reference pin, which is one of four GND pins (5 to 8) on the SOP-8PP package. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HTC Korea TAEJIN Tech |
| Package | SOP-8-EP |
| Category | Power Management (PMIC) |
| Pins | 9 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply Voltage (absolute maximum) | VIN |  |  | 63 | V |  | 1 |
| ON/OFF Pin Input Voltage | VON/OFF | -0.3 |  | 60 | V | max printed as 60 (or VIN) | 1 |
| FB pin voltage | VFB | -0.3 |  | 25 | V | max printed as 25 (or VIN) | 1 |
| Output voltage to GND | VOUT | -1 |  |  | V |  | 1 |
| Storage Temperature Range | TSTG | -65 |  | 150 | ℃ |  | 1 |
| Maximum Junction Temperature Range | TJ,MAX |  |  | 150 | ℃ |  | 1 |
| Supply Voltage (operating) | VIN | 4.5 |  | 60 | V |  | 2 |
| Load Current (operating) | ILOAD |  |  | 3 | A |  | 2 |
| Temperature Range (operating junction) | TJ | -40 |  | 125 |  |  | 2 |
| Feedback Voltage (room temperature limits) | VFB | 1.193 | 1.23 | 1.273 | V | 8V ≤ VIN ≤ 60V, 0.2A ≤ ILOAD ≤ 3A | 4 |
| Feedback Voltage (full temperature range limits) | VFB | 1.18 |  | 1.285 | V | 8V ≤ VIN ≤ 60V, 0.2A ≤ ILOAD ≤ 3A; TJ = -40 to +125°C | 4 |
| Quiescent Current | IQ |  | 5 | 8 | mA | VFB=12V force driver off (Note 6) | 4 |
| Feedback Bias Current (room temperature limits) | IFB | -250 |  | -70 | nA | VFB=1.3V (Adjustable version only) | 4 |
| Feedback Bias Current (full temperature range limit) | IFB | -450 |  |  | nA | VFB=1.3V (Adjustable version only); TJ = -40 to +125°C | 4 |
| Shutdown Supply Current (room temperature) | ISTB |  | 30 | 220 | uA | VON/OFF=5V, VIN=60V | 4 |
| Shutdown Supply Current (full temperature range limit) | ISTB |  |  | 280 | uA | VON/OFF=5V, VIN=60V; TJ = -40 to +125°C | 4 |
| Oscillator Frequency (room temperature limits) | FOSC | 133 | 150 | 168 | KHz | (Note 8) | 4 |
| Oscillator Frequency (full temperature range limits) | FOSC | 120 |  | 180 | KHz | (Note 8); TJ = -40 to +125°C | 4 |
| Max. duty Cycle | DC(MAX.) |  |  | 100 | % | VFB=0V force driver on (Note 5) | 4 |
| Min. duty Cycle | DC(MIN.) | 0 |  |  | % | VFB=12V force driver off (VFB=15V, For 12V Version) | 4 |
| Current Limit (room temperature limits) | CL | 4.1 | 5.3 | 6.7 | A | Peak Current. No outside circuit. VFB=0V (Note 4, 8) | 5 |
| Current Limit (full temperature range limits) | CL | 3.8 |  | 7 | A | Peak Current. No outside circuit. VFB=0V (Note 4, 8); TJ = -40 to +125°C | 5 |
| Saturation Voltage (room temperature limits) | VSAT |  | 1.35 | 1.5 | V | IOUT=3A. No outside circuit. VFB=0V (Note 4) | 5 |
| Saturation Voltage (full temperature range limit) | VSAT |  |  | 1.7 | V | IOUT=3A. No outside circuit. VFB=0V (Note 4); TJ = -40 to +125°C | 5 |
| Output Leakage Current | IL | -300 |  | -50 | uA | VOUT=0V. No outside circuit. VFB=12V (Note 6, 7) | 5 |
| Output Leakage Current | IL1 | -30 |  | -3 | mA | VOUT=-1V. No outside circuit. VFB=12V (Note 6, 7) | 5 |
| ON/OFF Input Threshold | VTH | 0.6 | 1.3 | 2 | V |  | 5 |
| ON/OFF Input Current (high) | IH | -5 | -0.1 | 5 | uA | VON/OFF=2.5V | 5 |
| ON/OFF Input Current (low) | IL | -1 | -0.01 | 1 | uA | VON/OFF=0.5V | 5 |

## CAD (KiCad official)

- Symbol: `LM2596HVGDP-ADJ`
- Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm`
- 3D model: SOP-8-EP (KiCad packages3D, STEP)
- 3D model files: `lm2596hvgdp-adj-etched.step` / `lm2596hvgdp-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2596hvgdp-adj.step` / `lm2596hvgdp-adj.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HTC Korea TAEJIN Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944347659821056) (9 pp, sha256 `1ce3311ad66c3b51`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).

[Datasheet PDF](docs/lm2596hvgdp-adj-datasheet.pdf)