# MIC5353YMT-TR

**Microchip Tech** · Linear Voltage Regulators (LDO) · MLF-6(1.6x1.6)

MIC5353YMT-TR from Microchip Tech, in a MLF-6(1.6x1.6). 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 | EN | input | Enable input, active high: high = ON and low = OFF, and it must not be left floating; logic low is 0.2V max and logic high is 1.2V min. |
| 2 | GND | power_in | Ground connection for the regulator; ground pin current is 90µA typical and 175µA maximum over a 0 to 500mA load. |
| 3 | VIN | power_in | Supply input with an operating range of 2.6V to 6.0V (absolute maximum −0.3V to +6.5V), requiring a 1µF input capacitor to ground. |
| 4 | VOUT | power_out | Regulated output voltage, which requires an output capacitor of 1µF or greater for stability, with low-ESR ceramic capacitors recommended. |
| 5 | ADJ | input | Adjust input that connects to an external resistor voltage divider; the output can be set from 1.25V to 5.5V with VREF = 1.25V. |
| 6 | BYP | passive | Reference bypass pin; connect an external 0.1µF capacitor to GND for reduced output noise, or leave it open. |
| 7 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Microchip Tech |
| Package | MLF-6(1.6x1.6) |
| Category | Power Management ICs |
| Pins | 7 |

## 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 (VIN) | VIN | -0.3 |  | 6.5 | V |  | 3 |
| Enable Input Voltage (VEN) | VEN | -0.3 |  |  | V |  | 3 |
| Junction Temperature (TJ) | TJ | -40 |  | 125 | °C |  | 3 |
| Storage Temperature (TS) | TS | -65 |  | 150 | °C |  | 3 |
| ESD Rating |  |  |  | 2 | KV | Human body model 1.5KΩ in series with 100pF | 3 |
| Supply Voltage (VIN) operating | VIN | 2.6 |  | 6 | V |  | 3 |
| Enable Input Voltage (VEN) operating | VEN | 0 |  |  | V |  | 3 |
| Junction Temperature (TJ) operating | TJ | -40 |  | 125 | °C |  | 3 |
| Adjustable output voltage range | VOUT | 1.25 |  | 5.5 | V | Adjustable output using two external resistors | 7 |
| Variation from nominal VOUT |  | -2 |  | 2 | % |  | 3 |
| Variation from nominal VOUT over temperature |  | -3 |  | 3 | % | -40°C to +125°C | 3 |
| Line Regulation |  |  | 0.05 | 0.3 | %/V | VIN = VOUT + 1V to 6V; IOUT = 100µA | 3 |
| Line Regulation (second printed value) |  |  |  | 0.6 | %/V |  | 3 |
| Load Regulation |  |  | 0.15 | 2 | % | IOUT = 100µA to 500mA | 3 |
| Dropout Voltage |  |  | 50 | 100 | mV | IOUT = 150mA | 3 |
| Dropout Voltage |  |  | 100 | 200 | mV | IOUT = 300mA | 3 |
| Dropout Voltage |  |  | 160 | 350 | mV | IOUT = 500mA | 3 |
| Ground Pin Current |  |  | 90 | 175 | µA | IOUT = 0 to 500mA | 3 |
| Ground Pin Current in Shutdown |  |  | 0.01 | 2 | µA | VEN ≤ 0.2V | 3 |
| Current Limit |  | 600 | 1100 | 1600 | mA | VOUT = 0V | 3 |
| Enable Input Voltage Logic Low |  |  |  | 0.2 | V |  | 3 |
| Enable Input Voltage Logic High |  | 1.2 |  |  | V |  | 3 |
| Enable Input Current |  |  | 0.01 | 1 | µA | VIL ≤ 0.2V | 3 |
| Turn-on Time |  |  | 35 | 100 | µs | COUT = 1.0µF; CBYP = 0.1µF | 3 |
| Ripple Rejection |  |  | 60 |  | dB | f = 1kHz; COUT = 1.0µF; CBYP = 0.1µF | 3 |
| Ripple Rejection |  |  | 45 |  | dB | f = 20kHz; COUT = 1.0µF; CBYP = 0.1µF | 3 |
| Output Voltage Noise |  |  | 30 |  | µVRMS | COUT = 1.0µF; CBYP = 0.1µF; 10Hz to 100kHz | 3 |

## CAD (KiCad official)

- Symbol: `MIC5353YMT-TR`
- Footprint: `Package_DFN_QFN:MLF-6-1EP_1.6x1.6mm_P0.5mm_EP0.5x1.26mm`
- 3D model: MLF-6(1.6x1.6) (KiCad packages3D, STEP)
- 3D model files: `mic5353ymt-tr-etched.step` / `mic5353ymt-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mic5353ymt-tr.step` / `mic5353ymt-tr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Microchip Tech datasheet](docs/mic5353ymt-tr-datasheet.pdf) (13 pp, sha256 `60480ceb10e9f86e`, retrieved 2026-10-30, 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/mic5353ymt-tr-datasheet.pdf)