
MIC29302AWD-TR
Microchip TechnologyExtended
-40℃~+125℃@(Tj) 1 1.24V~15V 16V 260uVrms 3A 800mV@(3A) Adjustable Over Current Protection、Over Temperature Protection、Enable Positive TO-252-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
- Part id
- microchip/MIC29302AWD-TR
- Category
- Voltage Regulators, Linear, Low Drop Out (LDO) Regulators
- Package
- TO-252-5
- Pins
- 6
- In stock
- 128 at JLCPCB (C627907)
- Used on
- 2 open-source boards
Overview
The MIC29302AWD-TR is a voltage Regulators, Linear, Low Drop Out (LDO) Regulator made by Microchip Technology in a TO-252-5 package with 5 pins. -40℃~+125℃@(Tj) 1 1.24V~15V 16V 260uVrms 3A 800mV@(3A) Adjustable Over Current Protection、Over Temperature Protection、Enable Positive TO-252-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (Regulator_Linear:MIC29302AWD, from KiCad's library) and its footprint (Package_TO_SOT_SMD:TO-252-5_TabPin3, from KiCad's library), ready for a KiCad board. 128 are in stock at JLCPCB (part C627907). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
14- Supply, least
- 3 V · IN, recommended operating min · p. 3
- Supply, most
- 16 V · IN, recommended operating max · p. 3
- Supply, absolute maximum
- 20 V · IN, absolute maximum · p. 3
- Junction, hottest
- 125 °C · Junction operating temperature max · p. 5
- Takes working
- 5 mA · Ground current typical, IOUT = 750 mA, VIN = VOUT + 1V · p. 3
- Takes asleep
- 32 µA · Ground pin shutdown current typical, VIN = 16V · p. 3
- Gives
- 3 A · Rated continuous output current max · p. 1
- Current limit
- 4 A · Current limit typical, VOUT = 0V · p. 3
- Dropout
- 100 mV · Dropout typical, IOUT = 100 mA, VIN ≥ 3.184V · p. 3
- Dropout
- 300 mV · Dropout typical, IOUT = 1.5A, VIN ≥ 3.184V · p. 3
- Dropout
- 500 mV · Dropout typical, IOUT = 2.75A, VIN ≥ 3.184V · p. 3
- Dropout
- 560 mV · Dropout typical, IOUT = 3A, VIN ≥ 3.4V · p. 3
- Junction to case (TO-252)
- 3 K/W · Junction-to-case thermal resistance typical · p. 5
- Junction to air (TO-252)
- 35 K/W · Junction-to-ambient thermal resistance typical · p. 5
What it is and has
4- Output voltage
- 1.24V to 15V adjustable · p. 1
- Accuracy
- 1% tolerance · p. 1
- Package options
- TO-263-5L and TO-252-5L · p. 1
- Transient response
- Fast · p. 1
Around it
2- cap 10 μF
- between OUT and GND; Required for stability at full load. Aluminum electrolytics are adequate; tantalum is recommended for fast load transients. Extremely low ESR may cause instability. · p. 12
- cap 0.1 µF
- between IN and GND; Recommended when the source has high AC impedance. · p. 12
Specifications
33| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Input Supply Voltage VIN | min -20 · max 20 V | 3 | |
| Enable Input Voltage VEN | Maximum: VIN | min -0.3 V | 3 |
| Operating Input Voltage | min 3 · max 16 V | 3 | |
| Output Voltage Accuracy ∆VOUT | 100 mA ≤ IOUT ≤ 3A, (VOUT + 1V) ≤ VIN ≤ 16V | min -2 · max 2 % | 3 |
| Line Regulation ∆VOUT/∆VIN | IOUT = 100 mA, (VOUT + 1V) ≤ VIN ≤ 16V | typ 0.1 · max 0.5 % | 3 |
| Load Regulation ∆VOUT/∆IOUT | VIN = VOUT + 1V, 100 mA ≤ IOUT ≤ 3A | typ 0.2 · max 1 % | 3 |
| Dropout Voltage (Note 2) VDO | IOUT = 100 mA, VIN ≥ 3.184V | typ 100 · max 200 mV | 3 |
| Dropout Voltage (Note 2) VDO | IOUT = 1.5A, VIN ≥ 3.184V | typ 300 mV | 3 |
| Dropout Voltage (Note 2) VDO | IOUT = 2.75A, VIN ≥ 3.184V | typ 500 mV | 3 |
| Dropout Voltage (Note 2) VDO | IOUT = 3A, VIN ≥ 3.4V | typ 560 · max 800 mV | 3 |
| Ground Current IGND | IOUT = 750 mA, VIN = VOUT + 1V | typ 5 · max 20 mA | 3 |
| Ground Current IGND | IOUT = 1.5A | typ 15 mA | 3 |
| Ground Current IGND | IOUT = 3A | typ 60 · max 150 mA | 3 |
| Ground Pin Current at Dropout IGNDDO | VIN = 0.5V less than specified VOUT; IOUT = 10 mA | typ 2 mA | 3 |
| Current Limit ILIMIT | VOUT = 0V, Note 3; VIN = VOUT (nominal) + 1V; pulse testing | min 3 · typ 4 A | 3 |
| Output Noise Voltage (10 Hz to 100 kHz) eN | CL = 10 uF | typ 400 uVRMS | 3 |
| Output Noise Voltage (10 Hz to 100 kHz) eN | CL = 33 uF | typ 260 uVRMS | 3 |
| Ground Pin Current in Shutdown ISHDN | Input Voltage VIN = 16V | typ 32 uA | 3 |
| Reference Voltage VREF | Note 4 | min 1.215 · max 1.267 V | 3 |
| Adjust Pin Bias Current IADJ | typ 40 nA | 3 | |
| Adjust Pin Bias Current IADJ | max 120 nA | 3 | |
| Input Logic Voltage VENABLE | Low (OFF) | max 0.8 V | 4 |
| Input Logic Voltage VENABLE | High (ON) | min 2.4 V | 4 |
| Enable Pin Input Current IENABLE | VEN = 4.2V | typ 15 · max 30 uA | 4 |
| Enable Pin Input Current IENABLE | VEN = 4.2V | max 75 uA | 4 |
| Enable Pin Input Current IENABLE | VEN = 0.8V | max 2 uA | 4 |
| Enable Pin Input Current IENABLE | VEN = 0.8V | max 4 uA | 4 |
| Regulator Output Current in Shutdown IOUT-SHDN | Note 5: VEN ≤ 0.8V, VIN ≤ 16V and VOUT = 0V | typ 10 uA | 4 |
| Regulator Output Current in Shutdown IOUT-SHDN | Note 5: VEN ≤ 0.8V, VIN ≤ 16V and VOUT = 0V | max 20 uA | 4 |
| Junction Operating Temperature Range TJ | min -40 · max 125 °C | 5 | |
| Storage Temperature Range TS | min -65 · max 150 °C | 5 | |
| Thermal Resistance TO-252 JC | TO-252 | typ 3 °C/W | 5 |
| Thermal Resistance TO-252 JA | TO-252 | typ 35 °C/W | 5 |
Pins, by the datasheet
6- 1 EN
- Active-high TTL/CMOS-compatible enable input; do not float. · p. 11
- 2 IN
- Unregulated input, +3V to +16V maximum. · p. 11
- 3 GND
- Ground, internally connected to TAB. · p. 11
- TAB GND
- TAB is internally connected to the IC ground. · p. 11
- 4 OUT
- Regulator output voltage. · p. 11
- 5 ADJ
- 1.24V feedback from external resistor divider. · p. 11
Open-source boards using it
2- 4 layers50 × 110 mm

- 2 layers82 × 66 mm

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Questions
Is there a KiCad symbol and footprint for the MIC29302AWD-TR?
Yes. The symbol is Regulator_Linear:MIC29302AWD and the footprint Package_TO_SOT_SMD:TO-252-5_TabPin3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MIC29302AWD-TR?
TO-252-5, with 5 pins. Its footprint is drawn on this page.
Where is the MIC29302AWD-TR datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the MIC29302AWD-TR?
JLCPCB lists it as part C627907, with 128 in stock; the sellers' links on this page open their listings.
What can replace the MIC29302AWD-TR?
Parts like it in the library: the MIC29302AWD by Microchip Technology, the LD49300PT08R by STMicroelectronics, the FAN1581D25X by onsemi and the TLE72722DATMA1 by Infineon Technologies. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the MIC29302AWD-TR?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.