# LM7705MME

**Texas Instruments** · Global Sourcing Parts · VSSOP-8-0.65mm

LM7705MME from Texas Instruments, in a VSSOP-8-0.65mm. 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 | CF+ | passive | Positive capacitor connection for the CFLY flying capacitor. |
| 2 | VSS | power_in | Power ground pin, the ground reference for the device. |
| 3 | SD | input | Shutdown pin: LOW enables the device (ON) and HIGH disables it (OFF), with VIH at 1.85 V (TA = 25°C) and VIL at 1.6 V (TA = 25°C). |
| 4 | VDD | power_in | Positive supply voltage, specified at 3 V to 5.25 V from VDD to GND. |
| 5 | VSS | power_in | Power ground pin, the ground reference for the device. |
| 6 | VOUT | power_out | Regulated negative output voltage, typically −0.232 V at 25°C with no load. |
| 7 | CRES | passive | Reserve capacitor connection for the output reservoir capacitor. |
| 8 | CF- | passive | Negative capacitor connection for the CFLY flying capacitor. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8-0.65mm |
| Category | Global Sourcing Parts |
| Pins | 8 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VOUT Output Voltage | VOUT | -0.24 | -0.232 | -0.219 | V | VDD = 3.3 V; IOUT = 0 mA; TA = 25°C | 4 |
| VOUT Output Voltage | VOUT | -0.25 |  | -0.209 | V | VDD = 3.3 V; IOUT = 0 mA; -40°C to 125°C | 4 |
| VOUT Output Voltage | VOUT | -0.24 | -0.226 | -0.219 | V | VDD = 3.3 V; IOUT = -20 mA; TA = 25°C | 4 |
| Supply Current | IS | 50 | 78 | 100 | μA | VDD = 3.3 V; No Load; TA = 25°C | 4 |
| Load Regulation |  |  | 0.12 | 0.6 | %/mA | VDD = 3.3 V; 0 mA ≤ IOUT ≤ -20 mA; TA = 25°C | 4 |
| Line Regulation |  | -0.2 | 0.29 | 0.7 | %/V | 3 V ≤ VDD ≤ 5.25 V (No Load); TA = 25°C | 5 |
| Output Impedance | ZOUT |  | 0.23 | 0.8 | Ω | VDD = 3.3 V; -1 mA ≤ IOUT ≤ -20 mA; TA = 25°C | 4 |
| VOUT Output Voltage | VOUT | -0.24 | -0.233 | -0.219 | V | VDD = 5.0 V; IOUT = 0 mA; TA = 25°C | 5 |
| VOUT Output Voltage | VOUT | -0.25 |  | -0.209 | V | VDD = 5.0 V; IOUT = 0 mA; -40°C to 125°C | 5 |
| VOUT Output Voltage | VOUT | -0.24 | -0.226 | -0.219 | V | VDD = 5.0 V; IOUT = -20 mA; TA = 25°C | 5 |
| Supply Current | IS | 60 | 103 | 135 | μA | VDD = 5.0 V; No Load; TA = 25°C | 5 |
| Load Regulation |  |  | 0.14 | 0.6 | %/mA | VDD = 5.0 V; 0 mA ≤ IOUT ≤ -20 mA; TA = 25°C | 5 |
| Output Impedance | ZOUT |  | 0.26 | 0.8 | Ω | VDD = 5.0 V; -1 mA ≤ IOUT ≤ -20 mA; TA = 25°C | 5 |
| Supply Voltage VDD to VSS | VDD - VSS |  |  | 5.75 | V |  | 3 |
| Junction Temperature |  |  |  | 150 | °C |  | 3 |
| Mounting Temperature |  |  |  | 260 | °C | Infrared or Convection (20 sec) | 3 |
| Storage Temperature | Tstg | -65 |  | 150 | °C |  | 3 |
| ESD Human Body Model | V(ESD) | -2000 |  | 2000 | V | HBM, per ANSI/ESDA/JEDEC JS-001 | 3 |
| ESD Charged-Device Model | V(ESD) | -750 |  | 750 | V | CDM, per JEDEC JESD22-C101 | 3 |
| ESD Machine Model | V(ESD) | -200 |  | 200 | V | Machine model, JESD22-A115-A | 3 |
| Supply Voltage VDD to GND | VDD | 3 |  | 5.25 | V |  | 4 |
| Supply Voltage VDD wrt VOUT | VDD | 3.23 |  | 5.48 | V |  | 4 |
| Operating Temperature Range | TA | -40 |  | 125 | °C |  | 4 |
| Junction-to-ambient thermal resistance | RθJA |  | 253 |  | °C/W | DGK (VSSOP) 8-pin package | 4 |

## CAD (KiCad official)

- Symbol: `LM7705MME`
- Footprint: `Package_SO:VSSOP-8_2.3x2mm_P0.5mm`
- 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)
- 3D model files: `lm7705mme-etched.step` / `lm7705mme-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm7705mme.step` / `lm7705mme.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/lit/ds/symlink/lm7705.pdf) (28 pp, sha256 `90c1104b9b42bc57`, retrieved 2026-11-05, tier: manufacturer)
- **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/lm7705mme-datasheet.pdf)