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123345

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

EN1VIN2GND3VOUT4ADJ5
Regulator_Linear:MIC29302AWDFrom KiCad's library

Footprint

123345
Package_TO_SOT_SMD:TO-252-5_TabPin3From KiCad's library

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
ParameterConditionsAs printedPage
Input Supply Voltage VINmin -20 · max 20 V3
Enable Input Voltage VENMaximum: VINmin -0.3 V3
Operating Input Voltagemin 3 · max 16 V3
Output Voltage Accuracy ∆VOUT100 mA ≤ IOUT ≤ 3A, (VOUT + 1V) ≤ VIN ≤ 16Vmin -2 · max 2 %3
Line Regulation ∆VOUT/∆VINIOUT = 100 mA, (VOUT + 1V) ≤ VIN ≤ 16Vtyp 0.1 · max 0.5 %3
Load Regulation ∆VOUT/∆IOUTVIN = VOUT + 1V, 100 mA ≤ IOUT ≤ 3Atyp 0.2 · max 1 %3
Dropout Voltage (Note 2) VDOIOUT = 100 mA, VIN ≥ 3.184Vtyp 100 · max 200 mV3
Dropout Voltage (Note 2) VDOIOUT = 1.5A, VIN ≥ 3.184Vtyp 300 mV3
Dropout Voltage (Note 2) VDOIOUT = 2.75A, VIN ≥ 3.184Vtyp 500 mV3
Dropout Voltage (Note 2) VDOIOUT = 3A, VIN ≥ 3.4Vtyp 560 · max 800 mV3
Ground Current IGNDIOUT = 750 mA, VIN = VOUT + 1Vtyp 5 · max 20 mA3
Ground Current IGNDIOUT = 1.5Atyp 15 mA3
Ground Current IGNDIOUT = 3Atyp 60 · max 150 mA3
Ground Pin Current at Dropout IGNDDOVIN = 0.5V less than specified VOUT; IOUT = 10 mAtyp 2 mA3
Current Limit ILIMITVOUT = 0V, Note 3; VIN = VOUT (nominal) + 1V; pulse testingmin 3 · typ 4 A3
Output Noise Voltage (10 Hz to 100 kHz) eNCL = 10 uFtyp 400 uVRMS3
Output Noise Voltage (10 Hz to 100 kHz) eNCL = 33 uFtyp 260 uVRMS3
Ground Pin Current in Shutdown ISHDNInput Voltage VIN = 16Vtyp 32 uA3
Reference Voltage VREFNote 4min 1.215 · max 1.267 V3
Adjust Pin Bias Current IADJtyp 40 nA3
Adjust Pin Bias Current IADJmax 120 nA3
Input Logic Voltage VENABLELow (OFF)max 0.8 V4
Input Logic Voltage VENABLEHigh (ON)min 2.4 V4
Enable Pin Input Current IENABLEVEN = 4.2Vtyp 15 · max 30 uA4
Enable Pin Input Current IENABLEVEN = 4.2Vmax 75 uA4
Enable Pin Input Current IENABLEVEN = 0.8Vmax 2 uA4
Enable Pin Input Current IENABLEVEN = 0.8Vmax 4 uA4
Regulator Output Current in Shutdown IOUT-SHDNNote 5: VEN ≤ 0.8V, VIN ≤ 16V and VOUT = 0Vtyp 10 uA4
Regulator Output Current in Shutdown IOUT-SHDNNote 5: VEN ≤ 0.8V, VIN ≤ 16V and VOUT = 0Vmax 20 uA4
Junction Operating Temperature Range TJmin -40 · max 125 °C5
Storage Temperature Range TSmin -65 · max 150 °C5
Thermal Resistance TO-252 JCTO-252typ 3 °C/W5
Thermal Resistance TO-252 JATO-252typ 35 °C/W5

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
  • 2 layers82 × 66 mmCOMET1 PWR Board, the printed circuit board in 3D

    COMET1 PWR Board

    Ben-Bussch/COMET-I-Static-Fire

    Avionics for Static Fire of Comet 1

    42 parts

Parts like it

5

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.