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LP38693MP-ADJ on a board, in 3D

LP38693MP-ADJ

Texas Instruments

-40℃~+125℃@(Tj) 0.7uVrms 1 1.25V~9V 10V 250mV@(500mA) 500mA 55dB@(120Hz) 55uA Adjustable Over Current Protection、Over Temperature Protection、Enable Positive SOT-223-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCti/LP38693MP-ADJ
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
SOT-223-5
Pins
5

Overview

The LP38693MP-ADJ is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Texas Instruments in a SOT-223-5 package with 5 pins. -40℃~+125℃@(Tj) 0.7uVrms 1 1.25V~9V 10V 250mV@(500mA) 500mA 55dB@(120Hz) 55uA Adjustable Over Current Protection、Over Temperature Protection、Enable Positive SOT-223-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1EN_2ADJ_3OUT_4IN_5GND, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-223-5, from KiCad's library), ready for a KiCad board. 904 are in stock at JLCPCB (part C181420). 1 open-source board in 1 repository on GitHub use it.

Symbol

IN4EN1OUT3GND5ADJ2
Pinmap_Generic:Regulator_Linear_1EN_2ADJ_3OUT_4IN_5GNDFrom PCBKit's generic symbols

Footprint

12345
Package_TO_SOT_SMD:SOT-223-5From KiCad's library

From the datasheet

14
Supply, least
2.7 V · IN, recommended operating minimum · p. 4
Supply, most
10 V · IN, recommended operating maximum · p. 4
Supply, absolute maximum
12 V · IN, absolute maximum · p. 4
Junction, hottest
150 °C · junction temperature absolute maximum · p. 4
Takes working
55 µA · typical quiescent current, VIN ≤ 10 V, load 100 uA to 0.5 A · p. 5
Takes asleep
1 nA · typical shutdown quiescent current, VEN ≤ 0.4 V · p. 5
Gives
500 mA · maximum output current · p. 13
Current limit
350 mA · typical foldback current limit, VIN – VOUT > 5 V · p. 5
Current limit
850 mA · typical foldback current limit, VIN – VOUT < 4 V · p. 5
Feedback reference
1.25 V · typical ADJ pin voltage, VIN = 2.7 V · p. 5
Dropout
250 mV · typical dropout at 500 mA, 5 V output · p. 1
Junction to air (SOT-223)
68.5 K/W · junction-to-ambient thermal resistance, High-K · p. 4
Junction to case (SOT-223)
52.2 K/W · junction-to-case top thermal resistance · p. 4
Junction to board (SOT-223)
13 K/W · junction-to-board thermal resistance · p. 4

What it is and has

8
Input voltage range
2.7 V to 10 V · p. 1
Output voltage range
1.25 V to 9 V · p. 1
ADJ pin voltage accuracy
2% at 25°C · p. 1
Reference
Precision trimmed bandgap · p. 1
Protection
Thermal overload protection · p. 1
Protection
Foldback current limiting · p. 1
Enable
EN pin · p. 1
Package
5-pin SOT-223, NDC · p. 3

Around it

3
cap at least 1 μF
between IN and GND; Ceramic recommended; locate within one centimeter of IN and return to clean analog ground. · p. 14
cap 1 μF minimum
between OUT and GND; Required for stability; ceramic recommended, ESR 5 mΩ to 500 mΩ; locate less than one centimeter from the device with direct output and ground traces carrying no other currents. · p. 14
res 100 kΩ maximum
between ADJ and GND; R2; 12 kΩ or less is recommended to provide minimum loading. Avoid high divider resistance to reduce noise pickup. · p. 14

Specifications

45
ParameterConditionsAs printedPage
All pins (with respect to GND) V(MAX)over operating free-air temperature rangemin -0.3 · max 12 V4
Junction temperaturemin -40 · max 150 °C4
Storage temperature Tstgmin -65 · max 150 °C4
Electrostatic discharge V(ESD)LP38693-ADJ; Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001min -2000 · max 2000 V4
VIN supply voltagemin 2.7 · max 10 V4
Operating junction temperaturemin -40 · max 125 °C4
Junction-to-ambient thermal resistance, High-K RθJALP38693-ADJ; SOT-223, 5 PINStyp 68.5 °C/W4
Junction-to-case (top) thermal resistance RθJC(top)LP38693-ADJ; SOT-223, 5 PINStyp 52.2 °C/W4
Junction-to-board thermal resistance RθJBLP38693-ADJ; SOT-223, 5 PINStyp 13 °C/W4
Junction-to-top characterization parameter ψJTLP38693-ADJ; SOT-223, 5 PINStyp 5.5 °C/W4
Junction-to-board characterization parameter ψJBLP38693-ADJ; SOT-223, 5 PINStyp 12.8 °C/W4
ADJ pin voltage VADJVIN = 2.7 V; TJ = 25°C; CIN = COUT = 10 uF; ILOAD = 10 mAmin 1.225 · typ 1.25 · max 1.275 V5
ADJ pin voltage VADJ3.2 V ≤ VIN ≤ 10 V, 100 uA < IL < 0.5 A; TJ = 25°Ctyp 1.25 V5
ADJ pin voltage VADJ3.2 V ≤ VIN ≤ 10 V, 100 uA < IL < 0.5 A; Full operating temperature rangemin 1.2 · max 1.3 V5
Output voltage line regulation ΔVOUT/ΔVINVOUT + 0.5 V ≤ VIN ≤ 10 V; IL = 25 mA; TJ = 25°Ctyp 0.03 %/V5
Output voltage line regulation ΔVOUT/ΔVINVOUT + 0.5 V ≤ VIN ≤ 10 V; IL = 25 mA; Full operating temperature rangemax 0.1 %/V5
Output voltage load regulation ΔVOUT/ΔIL1 mA < IL < 0.5 A; VIN = VOUT + 1 V; TJ = 25°Ctyp 1.8 %/A5
Output voltage load regulation ΔVOUT/ΔIL1 mA < IL < 0.5 A; VIN = VOUT + 1 V; Full operating temperature rangemax 5 %/A5
Dropout voltage VDOVOUT = 2.5 V; IL = 0.1 A; TJ = 25°Ctyp 80 mV5
Dropout voltage VDOVOUT = 2.5 V; IL = 0.5 A; TJ = 25°Ctyp 430 mV5
Dropout voltage VDOVOUT = 2.5 V; IL = 0.1 A; Full operating temperature rangemax 145 mV5
Dropout voltage VDOVOUT = 2.5 V; IL = 0.5 A; Full operating temperature rangemax 725 mV5
Dropout voltage VDOVOUT = 3.3 V; IL = 0.1 A; TJ = 25°Ctyp 65 mV5
Dropout voltage VDOVOUT = 3.3 V; IL = 0.5 A; TJ = 25°Ctyp 330 mV5
Dropout voltage VDOVOUT = 3.3 V; IL = 0.1 A; Full operating temperature rangemax 110 mV5
Dropout voltage VDOVOUT = 3.3 V; IL = 0.5 A; Full operating temperature rangemax 550 mV5
Dropout voltage VDOVOUT = 5 V; IL = 0.1 A; TJ = 25°Ctyp 45 mV5
Dropout voltage VDOVOUT = 5 V; IL = 0.5 A; TJ = 25°Ctyp 250 mV5
Dropout voltage VDOVOUT = 5 V; IL = 0.1 A; Full operating temperature rangemax 100 mV5
Dropout voltage VDOVOUT = 5 V; IL = 0.5 A; Full operating temperature rangemax 450 mV5
Quiescent current IQVIN ≤ 10 V, IL =100 uA – 0.5 A; TJ = 25°Ctyp 55 uA5
Quiescent current IQVIN ≤ 10 V, IL =100 uA – 0.5 A; Full operating temperature rangemax 100 uA5
Quiescent current IQVEN ≤ 0.4 V, (LP38693 Only)typ 0.001 · max 1 uA5
Minimum load current IL(MIN)VIN – VOUT ≤ 4 V; Full operating temperature rangemax 100 uA5
Foldback current limit IFBVIN – VOUT > 5 Vtyp 350 mA5
Foldback current limit IFBVIN – VOUT < 4 Vtyp 850 mA5
Ripple rejection PSRRVIN = VOUT + 2 V(DC), with 1 V(p-p) / 120-Hz Rippletyp 55 dB5
Thermal shutdown activation (junction temp) TSDtyp 160 °C5
Thermal shutdown hysteresis (junction temp) TSD (HYST)typ 10 °C5
ADJ input leakage current IADJVADJ = 0 V to 1.5 V, VIN = 10 Vmin -100 · typ 0.01 · max 100 nA5
Output noise enBW = 10 Hz to 10 kHz; VOUT = 3.3 Vtyp 0.7 uV/√Hz5
Output leakage current VOUT (LEAK)VOUT = VOUT(NOM) + 1 V at 10 VINtyp 0.5 · max 2 uA5
Enable voltage (LP38693 Only) VENOutput = OFF state; Full operating temperature rangemax 0.4 V6
Enable voltage (LP38693 Only) VENOutput = ON state, VIN = 4 V; Full operating temperature rangemin 1.8 V6
EN pin leakage (LP38693 only) IENVEN = 0 V or 10 V, VIN = 10 Vmin -1 · typ 0.001 · max 1 uA6

Pins, by the datasheet

5
1 EN
Pull high or low to turn the regulator ON or OFF. · p. 3
2 ADJ
Connect to external resistors R1 and R2 to set the regulated output voltage. · p. 3
3 OUT
Regulated output voltage. · p. 3
4 IN
Input supply voltage to the regulator. · p. 3
5 GND
Circuit ground, thermally connected to the die; solder to a large copper plane for heat sinking. · p. 3

Parameters

19
Current Limit
350mA
Features
Enable control
Junction Temperature(Max)
150℃
Noise
0.7uVrms
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(Tj)
Output Configuration
Positive
Output Current
500mA
Output Type
Adjustable
Output Voltage
1.25V~9V
Power Supply Rejection Ratio (PSRR)
55dB@(120Hz)
Reference Voltage
1.25V
Thermal Resistance(Junction to Ambient)
68.5℃/W
Thermal Resistance(Junction to Board)
13℃/W
Thermal Resistance(Junction to Case)
52.2℃/W
Voltage - Supply
2.7V~10V
Voltage - Supply(Absolute Max)
12V
Voltage Dropout
250mV
standby current
55uA

Order codes

1

Pinout

5
The pins of the LP38693MP-ADJ
PinNameType
1ENInput
2ADJInput
3OUTPower out
4INPower in
5GNDPower in

Open-source boards using it

All 1
  • 2 layers83 × 38 mmUltraphotonicsense elec, the printed circuit board in 3D

    Ultraphotonicsense elec

    PhenixRobotik/ultraphotonicsense-elec

    Board for ToF sensors management

    80 partsGPL-3.0

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Questions

Is there a KiCad symbol and footprint for the LP38693MP-ADJ?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1EN_2ADJ_3OUT_4IN_5GND and the footprint Package_TO_SOT_SMD:SOT-223-5, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LP38693MP-ADJ?

SOT-223-5, with 5 pins. Its footprint is drawn on this page.

Where is the LP38693MP-ADJ datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LP38693MP-ADJ?

JLCPCB lists it as part C181420, with 904 in stock; the sellers' links on this page open their listings.

What can replace the LP38693MP-ADJ?

Parts like it in the library: the LP38692MPX-3.3 by Texas Instruments, the LP38692MP-5.0 by Texas Instruments, the LP38693MP-5.0 by Texas Instruments and the LP38693MP-1.8 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the LP38693MP-ADJ?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8