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78L05G-AB3-R on a board, in 3D

78L05G-AB3-R

UTC

-40℃~+85℃ 1 1.7V@(40mA) 100mA 2mA 30V 40uV 5V 80dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal Shutdown Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

JLCPCB basic
DatasheetJLCPCBLCSCutc/78L05G-AB3-R
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
SOT-89-3
Pins
3

Overview

The 78L05G-AB3-R is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by UTC in a SOT-89-3 package with 3 pins. -40℃~+85℃ 1 1.7V@(40mA) 100mA 2mA 30V 40uV 5V 80dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal Shutdown Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1OUT_2GND_3IN, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. 238,067 are in stock at JLCPCB (part C71136). 18 open-source boards in 16 repositories on GitHub use it.

Symbol

IN3OUT1GND2
Pinmap_Generic:Regulator_Linear_1OUT_2GND_3INFrom PCBKit's generic symbols

Footprint

123
Package_TO_SOT_SMD:SOT-89-3From KiCad's library

From the datasheet

8
Supply, absolute maximum
30 V · VIN, absolute maximum for 5 V output · p. 3
Works from
-40 °C · Operating temperature, min · p. 3
Works up to
85 °C · Operating temperature, max · p. 3
Junction, hottest
150 °C · Junction temperature, absolute maximum · p. 3
Takes working
2 mA · VIN quiescent current, typical at VIN=10V, IOUT=0mA, TJ=25°C · p. 3
Gives
100 mA · Output current, max; subject to power dissipation · p. 1
Output
5 V · Output voltage, typical at VIN=10V, IOUT=40mA, TJ=25°C · p. 3
Dropout
1.7 V · Dropout voltage, typical at IOUT=40mA, TJ=25°C · p. 3

What it is and has

4
Output current
up to 100mA · p. 1
Protection
Thermal overload shutdown · p. 1
Protection
Short circuit current limiting · p. 1
Package
SOT-89 · p. 1

Around it

2
cap 0.33μF
between VIN and GND; C1 input bypass capacitor; recommended for optimum stability and transient response, as close as possible to the regulator. · p. 6
cap 0.1μF
between VoUT and GND; C0 output bypass capacitor; recommended for optimum stability and transient response, as close as possible to the regulator. · p. 6

Specifications

20
ParameterConditionsAs printedPage
Input Voltage VINVOUT=5~9V; 78L05max 30 V3
Output Current IOUTmax 100 mA3
Power Dissipation PDSOT-89max 350 mW3
Junction Temperature TJmax 150 °C3
Operating Temperature TOPRmin -40 · max 85 °C3
Storage Temperature TSTGmin -55 · max 150 °C3
Output Voltage VOUTUTC78L05; VIN=10V, IOUT=40mA, TJ=25°C, C1=0.33uF, Co=0.1uFmin 4.8 · typ 5 · max 5.2 V3
Output Voltage VOUTUTC78L05; 7V≤VIN≤20V, IOUT=1mA-40mA, 0°C<TJ<150°C, C1=0.33uF, Co=0.1uFmin 4.75 · max 5.25 V3
Output Voltage VOUTUTC78L05; 7V≤VIN≤VMAX, IOUT=1mA-70mA, 0°C<TJ<150°C, C1=0.33uF, Co=0.1uF; note 2: Power dissipation<0.5Wmin 4.75 · max 5.25 V3
Load Regulation VOUTUTC78L05; VIN=10V, TJ=25°C, IOUT=1mA-100mA, C1=0.33uF, Co=0.1uFtyp 15 · max 60 mV3
Load Regulation VOUTUTC78L05; VIN=10V, TJ=25°C, IOUT=1mA-40mA, C1=0.33uF, Co=0.1uFtyp 8 · max 30 mV3
Line regulation VOUTUTC78L05; 7V≤VIN≤20V, TJ=25°C, IOUT=40mA, C1=0.33uF, Co=0.1uFtyp 8 · max 150 mV3
Line regulation VOUTUTC78L05; 8V≤VIN≤20V, TJ=25°C, IOUT=40mA, C1=0.33uF, Co=0.1uFtyp 6 · max 100 mV3
Quiescent Current IQUTC78L05; VIN=10V, IOUT=0mA, TJ=25°C, C1=0.33uF, Co=0.1uFtyp 2 · max 5.5 mA3
Quiescent Current Change IQUTC78L05; 8V≤VIN≤20V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33uF, Co=0.1uFmax 1.5 mA3
Quiescent Current Change IQUTC78L05; 1mA≤VIN≤40mA (as printed), VIN=10V, 0°C<TJ<150°C, C1=0.33uF, Co=0.1uFmax 0.1 mA3
Output Noise Voltage eNUTC78L05; 10Hz≤f≤100kHz, VIN=10V, IOUT=40mA, 0°C<TJ<150°C, C1=0.33uF, Co=0.1uFtyp 40 uV3
Temperature coefficient of VOUT VO/TUTC78L05; IOUT=5mA, VIN=10V, 0°C<TJ<150°C, C1=0.33uF, Co=0.1uFtyp -0.65 mV/°C3
Ripple Rejection RRUTC78L05; 8V≤VIN≤20V, f=120Hz, TJ=25°C, IOUT=40mA, C1=0.33uF, Co=0.1uFmin 41 · typ 80 dB3
Dropout Voltage VDUTC78L05; TJ=25°C, VIN=10V, IOUT=40mA, C1=0.33uF, Co=0.1uFtyp 1.7 V3

Pins, by the datasheet

3
1 O
Output. · p. 1
2 G
GND. · p. 1
3 I
Input. · p. 1

Parameters

17
Dropout Voltage
1.7V@(40mA)
Features
Over Current Protection
Junction Temperature(Max)
150℃
Maximum Input Voltage
30V
Noise
40uV
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Configuration
Positive
Output Current
100mA
Output Polarity
Positive
Output Type
Fixed
Output Voltage
5V
Power Supply Rejection Ratio (PSRR)
80dB@(120Hz)
Voltage - Supply
30V
Voltage - Supply(Absolute Max)
30V
Voltage Dropout
1.7V
standby current
2mA

Order codes

1

Pinout

3
The pins of the 78L05G-AB3-R
PinNameType
1OUTPower out
2GNDPower in
3INPower in

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Questions

Is there a KiCad symbol and footprint for the 78L05G-AB3-R?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1OUT_2GND_3IN and the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the 78L05G-AB3-R?

SOT-89-3, with 3 pins. Its footprint is drawn on this page.

Where is the 78L05G-AB3-R datasheet?

UTC publishes it: the Datasheet link on this page opens it.

Where can I order the 78L05G-AB3-R?

JLCPCB lists it as part C71136, with 238,067 in stock; the sellers' links on this page open their listings.

What can replace the 78L05G-AB3-R?

Parts like it in the library: the AS78L05RTR-E1 by Diodes Incorporated, the HT7550-1 by UMW, the 78L05 by UMW and the HT7550-1 by HOLTEK. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the 78L05G-AB3-R?

18 boards in 16 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8