component
MD52A36PA1
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Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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MD52A36PA1
Shanghai Mingda Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MD52A36PA1 from Shanghai Mingda Microelectronics, 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 | Ground pin, the common reference for the input and output; the datasheet gives no separate electrical limit for this pin. |
| 2 | VIN | power_in | Input supply pin with an operating range of 2.2V to 7.0V, and the datasheet recommends a 1.0µF input capacitor (CIN). |
| 3 | VOUT | power_out | Regulated output pin for the 3.6V output, which must not exceed VIN+0.3V, and the datasheet recommends a 1.0µF output capacitor (COUT). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | SOT-89-3 |
| Category | Power Management (PMIC) |
| 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)), min multiplier of VOUT(S) | VOUT(S) | 0.98 | 1.02 | x VOUT(S) | VIN=VOUT(S)+1.0V, IOUT=10mA, VOUT(S)≥2.0V | 4 | |
| Input Voltage | VIN | 2.2 | 7 | V | --- | 4 | |
| Maximum Output Current | IOUTMAX | 450 | 500 | mA | 4 | ||
| Dropout Voltage (VOUT≥3V) | VDROP | 230 | mV | VEN=VIN, VOUT≥3V, IOUT=500mA | 4 | ||
| Line Regulation | ΔVOUT/ΔVIN | 0.05 | 0.1 | ％/V | VOUT(S)+0.5V≤VIN=VEN≤7V, IOUT=10mA | 4 | |
| Load Regulation | ΔVOUT | 50 | 90 | mV | VIN=VEN=VOUT(S)+1.0V, 1mA≤IOUT≤500mA | 4 | |
| Temperature Stability | ΔVOUT/ΔT | -50 | 50 | ppm/℃ | VIN=VEN=VOUT(S)+1.0V, IOUT=1mA, -40℃≤Ta≤125℃ | 4 | |
| GND Current, no load | IGND | 0.6 | 0.9 | μA | VEN=VIN, no load | 4 | |
| GND Current, IOUT=500mA | IGND | 210 | μA | VEN=VIN, IOUT=500mA | 4 | ||
| Shutdown Current | ISHUT | 0.01 | 0.1 | μA | VIN=7.0V, VEN=0 | 4 | |
| Current Limit | ILIM | 750 | mA | VIN=VEN=VOUT(S)+1.0V, VOUT=0.95×VOUT(S) | 4 | ||
| Short Circuit Current | ISHORT | 50 | mA | VIN=VEN=VOUT(S)+1.0V, VOUT=0V | 4 | ||
| COUT Auto Discharge Resistance | RDCHG | 280 | 450 | 640 | Ω | VEN=0, VOUT=VOUT(S) | 4 |
| Power Supply Rejection Ratio, f=10Hz | PSRR | 64 | dB | f=10Hz, IOUT=10mA | 4 | ||
| Power Supply Rejection Ratio, f=100Hz | PSRR | 51 | dB | f=100Hz, IOUT=10mA | 4 | ||
| Power Supply Rejection Ratio, f=1kHz | PSRR | 34 | dB | f=1kHz, IOUT=10mA | 4 | ||
| EN 'H' Level Voltage | VENH | 1 | 7 | V | --- | 4 | |
| EN 'L' Level Voltage | VENL | 0 | 0.38 | V | --- | 4 | |
| EN 'H' Level Current | IENH | -0.1 | 0.1 | μA | VIN=7.0V, VEN=VIN | 4 | |
| EN 'L' Level Current | IENL | -0.1 | 0.1 | μA | VIN=7.0V, VEN=0 | 4 | |
| Input Voltage (absolute maximum) | VIN | -0.3 | 8 | V | 3 | ||
| Power Dissipation, SOT89-3 | PD | 1000 | mW | SOT89-3 | 3 | ||
| Thermal Resistance, junction-to-board, SOT89-3 | RθJB | 100 | ℃/W | SOT89-3; mounted on JEDEC standard 4-layer (2s2p) PCB test board | 3 | ||
| Operating Ambient Temperature | Topr | -40 | 85 | ℃ | 3 | ||
| Storage Temperature | Tstg | -40 | 125 | ℃ | 3 | ||
| ESD Protection, HBM | ESD HBM | 6000 | V | HBM | 3 | ||
| Input Capacitor (CIN) | CIN | 1 | µF | Notes on Use: 1.0µF above | 3 | ||
| Output Capacitor (COUT) | COUT | 1 | µF | Notes on Use: 1.0µF above | 3 |
CAD (KiCad official)
- Symbol:
MD52A36PA1 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
md52a36pa1-etched.step/md52a36pa1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);md52a36pa1.step/md52a36pa1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shanghai Mingda Microelectronics datasheet (14 pp, sha256
4168b8cf3e52f15f, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# MD52A36PA1
**Shanghai Mingda Microelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3
MD52A36PA1 from Shanghai Mingda Microelectronics, 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 | Ground pin, the common reference for the input and output; the datasheet gives no separate electrical limit for this pin. |
| 2 | VIN | power_in | Input supply pin with an operating range of 2.2V to 7.0V, and the datasheet recommends a 1.0µF input capacitor (CIN). |
| 3 | VOUT | power_out | Regulated output pin for the 3.6V output, which must not exceed VIN+0.3V, and the datasheet recommends a 1.0µF output capacitor (COUT). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | SOT-89-3 |
| Category | Power Management (PMIC) |
| 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)), min multiplier of VOUT(S) | VOUT(S) | 0.98 | | 1.02 | x VOUT(S) | VIN=VOUT(S)+1.0V, IOUT=10mA, VOUT(S)≥2.0V | 4 |
| Input Voltage | VIN | 2.2 | | 7 | V | --- | 4 |
| Maximum Output Current | IOUTMAX | 450 | | 500 | mA | | 4 |
| Dropout Voltage (VOUT≥3V) | VDROP | | 230 | | mV | VEN=VIN, VOUT≥3V, IOUT=500mA | 4 |
| Line Regulation | ΔVOUT/ΔVIN | | 0.05 | 0.1 | ％/V | VOUT(S)+0.5V≤VIN=VEN≤7V, IOUT=10mA | 4 |
| Load Regulation | ΔVOUT | | 50 | 90 | mV | VIN=VEN=VOUT(S)+1.0V, 1mA≤IOUT≤500mA | 4 |
| Temperature Stability | ΔVOUT/ΔT | -50 | | 50 | ppm/℃ | VIN=VEN=VOUT(S)+1.0V, IOUT=1mA, -40℃≤Ta≤125℃ | 4 |
| GND Current, no load | IGND | | 0.6 | 0.9 | μA | VEN=VIN, no load | 4 |
| GND Current, IOUT=500mA | IGND | | 210 | | μA | VEN=VIN, IOUT=500mA | 4 |
| Shutdown Current | ISHUT | | 0.01 | 0.1 | μA | VIN=7.0V, VEN=0 | 4 |
| Current Limit | ILIM | | 750 | | mA | VIN=VEN=VOUT(S)+1.0V, VOUT=0.95×VOUT(S) | 4 |
| Short Circuit Current | ISHORT | | 50 | | mA | VIN=VEN=VOUT(S)+1.0V, VOUT=0V | 4 |
| COUT Auto Discharge Resistance | RDCHG | 280 | 450 | 640 | Ω | VEN=0, VOUT=VOUT(S) | 4 |
| Power Supply Rejection Ratio, f=10Hz | PSRR | | 64 | | dB | f=10Hz, IOUT=10mA | 4 |
| Power Supply Rejection Ratio, f=100Hz | PSRR | | 51 | | dB | f=100Hz, IOUT=10mA | 4 |
| Power Supply Rejection Ratio, f=1kHz | PSRR | | 34 | | dB | f=1kHz, IOUT=10mA | 4 |
| EN 'H' Level Voltage | VENH | 1 | | 7 | V | --- | 4 |
| EN 'L' Level Voltage | VENL | 0 | | 0.38 | V | --- | 4 |
| EN 'H' Level Current | IENH | -0.1 | | 0.1 | μA | VIN=7.0V, VEN=VIN | 4 |
| EN 'L' Level Current | IENL | -0.1 | | 0.1 | μA | VIN=7.0V, VEN=0 | 4 |
| Input Voltage (absolute maximum) | VIN | -0.3 | | 8 | V | | 3 |
| Power Dissipation, SOT89-3 | PD | | | 1000 | mW | SOT89-3 | 3 |
| Thermal Resistance, junction-to-board, SOT89-3 | RθJB | | | 100 | ℃/W | SOT89-3; mounted on JEDEC standard 4-layer (2s2p) PCB test board | 3 |
| Operating Ambient Temperature | Topr | -40 | | 85 | ℃ | | 3 |
| Storage Temperature | Tstg | -40 | | 125 | ℃ | | 3 |
| ESD Protection, HBM | ESD HBM | | | 6000 | V | HBM | 3 |
| Input Capacitor (CIN) | CIN | 1 | | | µF | Notes on Use: 1.0µF above | 3 |
| Output Capacitor (COUT) | COUT | 1 | | | µF | Notes on Use: 1.0µF above | 3 |
## CAD (KiCad official)
- Symbol: `MD52A36PA1`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `md52a36pa1-etched.step` / `md52a36pa1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `md52a36pa1.step` / `md52a36pa1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Shanghai Mingda Microelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918124359507968) (14 pp, sha256 `4168b8cf3e52f15f`, 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/md52a36pa1-datasheet.pdf)