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ADP7142ARDZ-R7 on a board, in 3D

ADP7142ARDZ-R7

Analog Devices

-40℃~+125℃@(Tj) 1 1.2V~39V 11uVrms 200mA 40V 420mV@(200mA) 50uA 88dB@(10kHz) Fixed、Adjustable Over Current Protection、Thermal shutdown、Enable control、Input under-voltage protection、Adjustable soft-start、Built-in soft-start Positive SOIC-8-EP Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCadi/ADP7142ARDZ-R7
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
SOIC-8-EP
Pins
9

Overview

The ADP7142ARDZ-R7 is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by Analog Devices in a SOIC-8-EP package with 9 pins. -40℃~+125℃@(Tj) 1 1.2V~39V 11uVrms 200mA 40V 420mV@(200mA) 50uA 88dB@(10kHz) Fixed、Adjustable Over Current Protection、Thermal shutdown、Enable control、Input under-voltage protection、Adjustable soft-start、Built-in soft-start Positive SOIC-8-EP Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Regulator_Linear:ADP7142ARDZ, from KiCad's library) and its footprint (Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm, from KiCad's library), ready for a KiCad board. 56 are in stock at JLCPCB (part C579268). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

VOUT1SENSE/ADJ3GND4EN5SS6VIN8
Regulator_Linear:ADP7142ARDZFrom KiCad's library

Footprint

123456789
Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mmFrom KiCad's library

From the datasheet

23
Supply, least
2.7 V · VIN, recommended operating min · p. 3
Supply, most
40 V · VIN, recommended operating max · p. 3
Supply, absolute maximum
44 V · VIN to GND, absolute max · p. 5
Works from
-40 °C · Operating ambient temperature min · p. 5
Works up to
125 °C · Operating ambient temperature max · p. 5
Junction, hottest
150 °C · Junction temperature absolute max · p. 5
Takes working
50 µA · IGND, typical with no load · p. 3
Takes asleep
1.8 µA · Shutdown current typical, EN = GND · p. 3
Gives
200 mA · Rated continuous output current max · p. 1
Current limit
360 mA · Current-limit threshold typical · p. 3
Dropout
30 mV · Typical at IOUT = 10 mA, VOUT = 5 V · p. 3
Dropout
200 mV · Typical at IOUT = 200 mA, VOUT = 5 V · p. 3
Junction to air (8-Lead SOIC)
52.7 K/W · Junction to ambient, 4-layer board · p. 5
Junction to case (8-Lead SOIC)
41.5 K/W · Junction to case · p. 5
Junction to board (8-Lead SOIC)
32.7 K/W · ΨJB junction-to-board characterization parameter · p. 5
Takes working
180 µA · typical quiescent current at full load · p. 13
Junction, hottest
125 °C · max junction temperature for reliable operation · p. 17
Junction to air (SOIC)
181.4 K/W · typical, 50 mm² PCB copper · p. 17
Junction to air (SOIC)
145.4 K/W · typical, 100 mm² PCB copper · p. 17
Junction to air (SOIC)
89.3 K/W · typical, 500 mm² PCB copper · p. 17
Junction to air (SOIC)
77.5 K/W · typical, 1000 mm² PCB copper · p. 17
Junction to air (SOIC)
63.2 K/W · typical, 6400 mm² PCB copper · p. 17
Junction to board (8-Lead SOIC)
38.8 K/W · typical ΨJB · p. 17

What it is and has

6
Output noise
11 μV rms independent of fixed output voltage · p. 1
Initial accuracy
±0.8% · p. 1
Soft start
User programmable, LFCSP and SOIC only · p. 1
Output capacitor
Stable with 2.2 μF ceramic · p. 1
Enable
Precision enable · p. 1
Package options
2 mm × 2 mm, 6-lead LFCSP; 8-Lead SOIC; 5-Lead TSOT · p. 1

Around it

3
cap 2.2 μF or greater
between VOUT and GND; Output bypass capacitor. · p. 6
cap 2.2 μF or greater
between VIN and GND; Input bypass capacitor. · p. 6
cap 2.2 μF
between VIN and GND; Input bypass capacitor; increase to match the output capacitor when output capacitance exceeds 2.2 uF. · p. 14

Specifications

48
ParameterConditionsAs printedPage
INPUT VOLTAGE RANGE VINmin 2.7 · max 40 V3
OPERATING SUPPLY CURRENT IGNDIOUT = 0 uAtyp 50 · max 140 uA3
OPERATING SUPPLY CURRENT IGNDIOUT = 10 mAtyp 80 · max 190 uA3
OPERATING SUPPLY CURRENT IGNDIOUT = 200 mAtyp 180 · max 320 uA3
SHUTDOWN CURRENT IGND-SDEN = GNDtyp 1.8 uA3
SHUTDOWN CURRENT IGND-SDEN = GND, VIN = 40 Vtyp 3 · max 10 uA3
Output Voltage Accuracy VOUTIOUT = 10 mA, TJ = 25°Cmin -0.8 · max 0.8 %3
Output Voltage Accuracy VOUT100 uA < IOUT < 200 mA, VIN = (VOUT + 1 V) to 40 V, TJ = −40°C to +85°Cmin -1.2 · max 1.5 %3
Output Voltage Accuracy VOUT100 uA < IOUT < 200 mA, VIN = (VOUT + 1 V) to 40 V; TJ = −40°C to +125°Cmin -1.8 · max 1.8 %3
LINE REGULATION ∆VOUT/∆VINVIN = (VOUT + 1 V) to 40 Vmin -0.01 · max 0.01 %/V3
LOAD REGULATION ∆VOUT/∆IOUTIOUT = 100 uA to 200 mA; endpoint calculationtyp 0.002 · max 0.004 %/mA3
SENSE INPUT BIAS CURRENT SENSEI-BIAS100 uA < IOUT < 200 mA VIN = (VOUT + 1 V) to 40 Vtyp 10 · max 1000 nA3
DROPOUT VOLTAGE VDROPOUTIOUT = 10 mA, VOUT = 5 V; applies only for output voltages above 2.7 Vtyp 30 · max 60 mV3
DROPOUT VOLTAGE VDROPOUTIOUT = 200 mA, VOUT = 5 V; applies only for output voltages above 2.7 Vtyp 200 · max 420 mV3
START-UP TIME tSTART-UPVOUT = 5 Vtyp 380 us3
SOFT START SOURCE CURRENT SSI-SOURCESS = GNDtyp 1.15 uA3
CURRENT-LIMIT THRESHOLD ILIMITCurrent at which output voltage drops to 90% of specified typical valuemin 250 · typ 360 · max 460 mA3
Thermal Shutdown Threshold TSSDTJ risingtyp 150 °C3
Thermal Shutdown Hysteresis TSSD-HYStyp 15 °C3
Input Voltage Rising UVLO RISEmax 2.69 V3
Input Voltage Falling UVLO FALLmin 2.2 V3
Hysteresis UVLO HYSUndervoltage thresholdstyp 230 mV3
Logic High ENHIGH2.7 V ≤ VIN ≤ 40 Vmin 1.15 · typ 1.22 · max 1.3 V3
Logic Low ENLOW2.7 V ≤ VIN ≤ 40 Vmin 1.06 · typ 1.12 · max 1.18 V3
Logic Hysteresis ENHYS2.7 V ≤ VIN ≤ 40 Vtyp 100 mV3
Leakage Current IEN-LKGEN = VIN or GND; 2.7 V ≤ VIN ≤ 40 Vtyp 0.04 · max 1 uA3
Delay Time tEN-DLYFrom EN rising from 0 V to VIN to 0.1 × VOUT; 2.7 V ≤ VIN ≤ 40 Vtyp 80 us3
OUTPUT NOISE OUT NOISE10 Hz to 100 kHz, all output voltage optionstyp 11 uV rms3
POWER SUPPLY REJECTION RATIO PSRR1 MHz, VIN = 7 V, VOUT = 5 Vtyp 50 dB3
POWER SUPPLY REJECTION RATIO PSRR100 kHz, VIN = 7 V, VOUT = 5 Vtyp 68 dB3
POWER SUPPLY REJECTION RATIO PSRR10 kHz, VIN = 7 V, VOUT = 5 Vtyp 88 dB3
VIN to GNDmin -0.3 · max 44 V5
VOUT to GNDMaximum VINmin -0.3 V5
EN to GNDmin -0.3 · max 44 V5
SENSE/ADJ to GNDmin -0.3 · max 6 V5
SS to GNDMaximum VIN or +6 V, whichever is lessmin -0.3 V5
Storage Temperature Rangemin -65 · max 150 °C5
Junction Temperature (TJ) TJmax 150 °C5
Operating Ambient Temperature (TA) Range TAmin -40 · max 125 °C5
θJA θJA8-Lead SOIC; 4-layer boardtyp 52.7 °C/W5
θJC θJC8-Lead SOICtyp 41.5 °C/W5
ΨJB ΨJB8-Lead SOIC; 4-layer boardtyp 32.7 °C/W5
θJA θJASOIC, copper size 50 mm2typ 181.4 °C/W17
θJA θJASOIC, copper size 100 mm2typ 145.4 °C/W17
θJA θJASOIC, copper size 500 mm2typ 89.3 °C/W17
θJA θJASOIC, copper size 1000 mm2typ 77.5 °C/W17
θJA θJASOIC, copper size 6400 mm2typ 63.2 °C/W17
ΨJB ΨJB8-Lead SOICtyp 38.8 °C/W17

Pins, by the datasheet

9
1 VOUT
Regulated output voltage; bypass to GND with a 2.2 uF or greater capacitor. · p. 6
2 VOUT
Regulated output voltage; bypass to GND with a 2.2 uF or greater capacitor. · p. 6
3 SENSE/ADJ
Sense input; connect to load. An external resistor divider can set the output voltage higher than the fixed output voltage. · p. 6
4 GND
Ground. · p. 6
5 EN
Drive high to turn on the regulator and low to turn it off; connect to VIN for automatic startup. · p. 6
6 SS
External capacitor determines soft-start time. Leave open for a typical 380 us startup; do not ground. · p. 6
7 VIN
Regulator input supply; bypass to GND with a 2.2 uF or greater capacitor. · p. 6
8 VIN
Regulator input supply; bypass to GND with a 2.2 uF or greater capacitor. · p. 6
EP EP
Exposed pad enhances thermal performance and is internally connected to GND; connect to the board ground plane. · p. 6

Parameters

17
Current Limit
360mA
Features
Adjustable soft-start
Junction Temperature(Max)
150℃
Noise
11uVrms
Number of Outputs
1
Operating Temperature
-40℃~+125℃
Output Configuration
Positive
Output Current
200mA
Output Type
Fixed
Output Voltage
1.2V~39V
Power Supply Rejection Ratio (PSRR)
88dB@(10kHz)
Standby Current
1.8uA
Thermal Resistance(Junction to Board)
38.8℃/W
Thermal Resistance(Junction to Case)
41.5℃/W
Voltage - Supply
2.7V~40V
Voltage - Supply(Absolute Max)
44V
Voltage Dropout
420mV@(200mA)

Order codes

1

Pinout

9
The pins of the ADP7142ARDZ-R7
PinNameType
1VOUTPower out
2VOUTPassive
3SENSE/ADJInput
4GNDPower in
5ENInput
6SSPassive
7VINPassive
8VINPower in
9GNDPassive

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Questions

Is there a KiCad symbol and footprint for the ADP7142ARDZ-R7?

Yes. The symbol is Regulator_Linear:ADP7142ARDZ and the footprint Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the ADP7142ARDZ-R7?

SOIC-8-EP, with 9 pins. Its footprint is drawn on this page.

Where is the ADP7142ARDZ-R7 datasheet?

Analog Devices publishes it: the Datasheet link on this page opens it.

Where can I order the ADP7142ARDZ-R7?

JLCPCB lists it as part C579268, with 56 in stock; the sellers' links on this page open their listings.

What can replace the ADP7142ARDZ-R7?

Parts like it in the library: the ADP7142ARDZ by Analog Devices, the ADP7142ARDZ-5.0 by Analog Devices, the ADP7142ARDZ-1.8-R7 by Analog Devices and the ADP7142ARDZ-2.5-R7 by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the ADP7142ARDZ-R7?

2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

6