HX7330

HX(hengjiaxing) · Linear Voltage Regulators (LDO) · SOT-89-3

HX7330 from HX(hengjiaxing), in a SOT-89-3. 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	GND	power_in	Chip ground pin (芯片接地端); the datasheet gives no electrical limit for this pin.
2	VIN	power_in	Start-up input pin (启动输入端) that supplies the regulator; the datasheet states a maximum operating input voltage of 12 V with a 15 V absolute maximum input voltage rating.
3	VOUT	output	Regulated output pin (芯片输出端) that delivers 3.0 V nominal (2.91 V to 3.09 V at VIN=4 V, IOUT=40 mA) for the HX7330 variant.

Key specifications

Parameter	Value
Manufacturer	HX(hengjiaxing)
Package	SOT-89-3
Category	Power Management ICs
Pins	3

Electrical characteristics

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

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Output voltage	VOUT	2.91	3	3.09	V	VIN=4V，IOUT=40mA	3
Output current	IOUT	250			mA	VIN=4V，VOUT≥2.7V	3
Load regulation	△VOUT		45	90	mV	VIN=4V，1mA≤IOUT ≤60mA	3
Quiescent current	ISS		2	3	µA	VIN=4V，空载	3
Line Regulation	ΔVOUT /(ΔVIN * VOUT)		0.2	0.3	％/V	4V≤VIN≤12V，IOUT=40mA	3
Input voltage	VIN			12	V		3
Maximum input voltage	VIN			15	V		2
Power dissipation	PD			200	mW		2
Operating temperature	Tw	-25		70	℃		2
Storage temperature	Tc	-50		125	℃		2
Soldering temperature	Th			260	℃	10s	2
Dropout voltage	VDIF		95		mV	IOUT=40mA	3
Output voltage temperature coefficient	ΔVOUT /ΔTa		0.7		mV/℃	VIN=4V，IOUT=40mA，0℃≤Ta≤85℃	3

CAD (KiCad official)

Symbol: HX7330
Footprint: Package_TO_SOT_SMD:SOT-89-3
3D model: SOT-89-3 (KiCad packages3D, STEP)
3D model files: hx7330-etched.step / hx7330-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hx7330.step / hx7330.glb are the bare package body.

Provenance

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

Datasheet: HX(hengjiaxing) datasheet (7 pp, sha256 03dadeebae0b9afe, retrieved 2026-11-05, 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 0.3, 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

# HX7330

**HX(hengjiaxing)** · Linear Voltage Regulators (LDO) · SOT-89-3

HX7330 from HX(hengjiaxing), in a SOT-89-3. 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 | GND | power_in | Chip ground pin (芯片接地端); the datasheet gives no electrical limit for this pin. |
| 2 | VIN | power_in | Start-up input pin (启动输入端) that supplies the regulator; the datasheet states a maximum operating input voltage of 12 V with a 15 V absolute maximum input voltage rating. |
| 3 | VOUT | output | Regulated output pin (芯片输出端) that delivers 3.0 V nominal (2.91 V to 3.09 V at VIN=4 V, IOUT=40 mA) for the HX7330 variant. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HX(hengjiaxing) |
| Package | SOT-89-3 |
| Category | Power Management ICs |
| Pins | 3 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Output voltage | VOUT | 2.91 | 3 | 3.09 | V | VIN=4V，IOUT=40mA | 3 |
| Output current | IOUT | 250 |  |  | mA | VIN=4V，VOUT≥2.7V | 3 |
| Load regulation | △VOUT |  | 45 | 90 | mV | VIN=4V，1mA≤IOUT ≤60mA | 3 |
| Quiescent current | ISS |  | 2 | 3 | µA | VIN=4V，空载 | 3 |
| Line Regulation | ΔVOUT /(ΔVIN * VOUT) |  | 0.2 | 0.3 | ％/V | 4V≤VIN≤12V，IOUT=40mA | 3 |
| Input voltage | VIN |  |  | 12 | V |  | 3 |
| Maximum input voltage | VIN |  |  | 15 | V |  | 2 |
| Power dissipation | PD |  |  | 200 | mW |  | 2 |
| Operating temperature | Tw | -25 |  | 70 | ℃ |  | 2 |
| Storage temperature | Tc | -50 |  | 125 | ℃ |  | 2 |
| Soldering temperature | Th |  |  | 260 | ℃ | 10s | 2 |
| Dropout voltage | VDIF |  | 95 |  | mV | IOUT=40mA | 3 |
| Output voltage temperature coefficient | ΔVOUT /ΔTa |  | 0.7 |  | mV/℃ | VIN=4V，IOUT=40mA，0℃≤Ta≤85℃ | 3 |

## CAD (KiCad official)

- Symbol: `HX7330`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `hx7330-etched.step` / `hx7330-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hx7330.step` / `hx7330.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HX(hengjiaxing) datasheet](docs/hx7330-datasheet.pdf) (7 pp, sha256 `03dadeebae0b9afe`, retrieved 2026-11-05, 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 0.3`, 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/hx7330-datasheet.pdf)