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MD7602D12
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Shanghai Mingda Microelectronics Linear Voltage Regulators (LDO), TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MD7602D12
Shanghai Mingda Microelectronics · Linear Voltage Regulators (LDO) · TO-252
MD7602D12 from Shanghai Mingda Microelectronics, in a TO-252. 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, operating input voltage range 2.2V to 40V (absolute maximum 45V), with a recommended input capacitor of 2.2uF or above. |
| 2 | GND | power_in | Ground pin, reference for the regulator and the return for input and output capacitors. |
| 3 | VOUT | power_out | Regulated 12.0V output (MD7602D12, ±2%) delivering up to 1A, with a recommended output capacitor of 2.2uF or above; must not exceed VIN+0.3V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | TO-252 |
| Category | Power Supply Chip |
| 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(S) | 12 | V | VIN=VOUT(S)+2V, IOUT=10mA; limits printed as VOUT(S)x0.98 to x1.02 (±2%) | 3 | ||
| Dropout Voltage | VDROP | 4 | 8 | mV | IOUT=1mA | 3 | |
| Dropout Voltage | VDROP | 1000 | 1500 | mV | IOUT=1A | 3 | |
| Line Regulation | 0.01 | 0.02 | %/V | VOUT(S)+2V≤VIN≤40V, IOUT=1mA | 3 | ||
| Load Regulation | ΔVOUT2 | 85 | 150 | mV | VIN=VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)>10V | 3 | |
| Temperature Stability | -50 | 50 | ppm/°C | VIN=VOUT(S)+2V, IOUT=10mA, -40°C≤Ta≤85°C | 3 | ||
| GND Current | IGND | 1.5 | 2.3 | 3 | uA | CE=VIN, no load, VOUT(S)>5.3V | 3 |
| GND Current | IGND | 460 | uA | CE=VIN, IOUT=100mA | 3 | ||
| Shutdown Current | ISHUT | 0.01 | 0.1 | uA | VIN=40.0V, VCE=0 | 3 | |
| Input Voltage | VIN | 2.2 | 40 | V | 3 | ||
| Maximum Output Current | IOUTMAX | 1 | A | 3 | |||
| Current Limit | ILIM | 1.8 | A | VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S) | 3 | ||
| Short Circuit Current | ISHORT | 95 | mA | VIN=VOUT(S)+2V, VOUT=0V | 3 | ||
| CE 'H' Level Voltage | VCEH | 1.5 | 40 | V | 3 | ||
| CE 'L' Level Voltage | VCEL | 0 | 0.6 | V | 3 | ||
| CE 'H' Level Current | ICEH | -0.1 | 0.1 | uA | VIN=40V, VCE=VIN | 3 | |
| CE 'L' Level Current | ICEL | -0.1 | 0.1 | uA | VIN=40V, VCE=0 | 3 | |
| Power Supply Rejection Ratio | PSRR | 73.2 | dB | f=10Hz, VOUT(S)=3.6V | 3 | ||
| Power Supply Rejection Ratio | PSRR | 72.2 | dB | f=100Hz, VOUT(S)=3.6V | 3 | ||
| Power Supply Rejection Ratio | PSRR | 54.5 | dB | f=1kHz, VOUT(S)=3.6V | 3 | ||
| Over Temperature Protection | OTP | 145 | °C | IOUT=10mA | 3 | ||
| Input Voltage (absolute maximum) | VIN | -0.3 | 45 | V | Ta=25°C | 2 | |
| Power Dissipation TO-252 | PD | 1800 | mW | TO 252 | 2 | ||
| Operating Ambient Temperature | Topr | -40 | 85 | °C | 2 | ||
| Storage Temperature | Tstg | -40 | 125 | °C | 2 | ||
| ESD Protection | ESD | 2000 | V | HBM | 2 |
CAD (KiCad official)
- Symbol:
MD7602D12 - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files:
md7602d12-etched.step/md7602d12-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);md7602d12.step/md7602d12.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Mingda Microelectronics datasheet (12 pp, sha256
3e8178d259ef9f2b, retrieved 2026-10-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).
# MD7602D12
**Shanghai Mingda Microelectronics** · Linear Voltage Regulators (LDO) · TO-252
MD7602D12 from Shanghai Mingda Microelectronics, in a TO-252. 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, operating input voltage range 2.2V to 40V (absolute maximum 45V), with a recommended input capacitor of 2.2uF or above. |
| 2 | GND | power_in | Ground pin, reference for the regulator and the return for input and output capacitors. |
| 3 | VOUT | power_out | Regulated 12.0V output (MD7602D12, ±2%) delivering up to 1A, with a recommended output capacitor of 2.2uF or above; must not exceed VIN+0.3V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | TO-252 |
| Category | Power Supply Chip |
| 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(S) | | 12 | | V | VIN=VOUT(S)+2V, IOUT=10mA; limits printed as VOUT(S)x0.98 to x1.02 (±2%) | 3 |
| Dropout Voltage | VDROP | | 4 | 8 | mV | IOUT=1mA | 3 |
| Dropout Voltage | VDROP | | 1000 | 1500 | mV | IOUT=1A | 3 |
| Line Regulation | | | 0.01 | 0.02 | %/V | VOUT(S)+2V≤VIN≤40V, IOUT=1mA | 3 |
| Load Regulation | ΔVOUT2 | | 85 | 150 | mV | VIN=VOUT(S)+2V, 1mA≤IOUT≤300mA, VOUT(S)>10V | 3 |
| Temperature Stability | | -50 | | 50 | ppm/°C | VIN=VOUT(S)+2V, IOUT=10mA, -40°C≤Ta≤85°C | 3 |
| GND Current | IGND | 1.5 | 2.3 | 3 | uA | CE=VIN, no load, VOUT(S)>5.3V | 3 |
| GND Current | IGND | | 460 | | uA | CE=VIN, IOUT=100mA | 3 |
| Shutdown Current | ISHUT | | 0.01 | 0.1 | uA | VIN=40.0V, VCE=0 | 3 |
| Input Voltage | VIN | 2.2 | | 40 | V | | 3 |
| Maximum Output Current | IOUTMAX | | 1 | | A | | 3 |
| Current Limit | ILIM | | 1.8 | | A | VIN=VOUT(S)+2V, VOUT=0.95×VOUT(S) | 3 |
| Short Circuit Current | ISHORT | | 95 | | mA | VIN=VOUT(S)+2V, VOUT=0V | 3 |
| CE 'H' Level Voltage | VCEH | 1.5 | | 40 | V | | 3 |
| CE 'L' Level Voltage | VCEL | 0 | | 0.6 | V | | 3 |
| CE 'H' Level Current | ICEH | -0.1 | | 0.1 | uA | VIN=40V, VCE=VIN | 3 |
| CE 'L' Level Current | ICEL | -0.1 | | 0.1 | uA | VIN=40V, VCE=0 | 3 |
| Power Supply Rejection Ratio | PSRR | | 73.2 | | dB | f=10Hz, VOUT(S)=3.6V | 3 |
| Power Supply Rejection Ratio | PSRR | | 72.2 | | dB | f=100Hz, VOUT(S)=3.6V | 3 |
| Power Supply Rejection Ratio | PSRR | | 54.5 | | dB | f=1kHz, VOUT(S)=3.6V | 3 |
| Over Temperature Protection | OTP | | 145 | | °C | IOUT=10mA | 3 |
| Input Voltage (absolute maximum) | VIN | -0.3 | | 45 | V | Ta=25°C | 2 |
| Power Dissipation TO-252 | PD | | | 1800 | mW | TO 252 | 2 |
| Operating Ambient Temperature | Topr | -40 | | 85 | °C | | 2 |
| Storage Temperature | Tstg | -40 | | 125 | °C | | 2 |
| ESD Protection | ESD | | | 2000 | V | HBM | 2 |
## CAD (KiCad official)
- Symbol: `MD7602D12`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `md7602d12-etched.step` / `md7602d12-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `md7602d12.step` / `md7602d12.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shanghai Mingda Microelectronics datasheet](docs/md7602d12-datasheet.pdf) (12 pp, sha256 `3e8178d259ef9f2b`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/md7602d12-datasheet.pdf)