2 layers116.8 × 154.9 mm
LM7905CT
Texas InstrumentsExtended
0.5uVrms 0℃~+125℃@(Tj) 1 1.1V@(1A) 1.5A 1mA 25V 54dB@(120Hz) 5V Fixed Negative Over Current Protection、Short Circuit Protection、Thermal shutdown TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
- Part id
- ti/LM7905CT
- Category
- Voltage Regulators, Linear, Low Drop Out (LDO) Regulators
- Package
- TO-220
- Pins
- 4
- In stock
- 3,246 at JLCPCB (C352863)
- Used on
- 3 open-source boards
Overview
The LM7905CT is a voltage Regulators, Linear, Low Drop Out (LDO) Regulator made by Texas Instruments in a TO-220 package with 4 pins. 0.5uVrms 0℃~+125℃@(Tj) 1 1.1V@(1A) 1.5A 1mA 25V 54dB@(120Hz) 5V Fixed Negative Over Current Protection、Short Circuit Protection、Thermal shutdown TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (Regulators:REG3+1 1GND-2IN-3OUT+4IN, from CERN's library) and its footprint (ICs And Semiconductors THD:TO-220-H, from CERN's library), ready for a KiCad board. 3,246 are in stock at JLCPCB (part C352863). 3 open-source boards in 3 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
8- Supply, absolute maximum
- 25 V · Input Voltage, absolute maximum, VO = −5 V · p. 2
- Junction, hottest
- 125 °C · Operating junction temperature, max · p. 2
- Takes working
- 1 mA · Quiescent current, typical, TJ = 25°C, IOUT = 500 mA · p. 2
- Gives
- 1.5 A · Rated output current · p. 1
- Output
- 5 V · Fixed output voltage, typical, TJ = 25°C · p. 2
- Dropout
- 1.1 V · Dropout voltage, typical, TJ = 25°C, IOUT = 1 A · p. 2
- Junction to case (TO-220)
- 3 K/W · Junction-to-case thermal resistance, typical · p. 4
- Junction to air (TO-220)
- 60 K/W · Junction-to-ambient thermal resistance, typical · p. 4
What it is and has
6- Output current
- 1.5 A · p. 1
- Output voltage tolerance
- 4% · p. 1
- Ripple rejection
- High · p. 1
- Package
- TO-220 · p. 1
- Protection
- Thermal overload protection · p. 4
- Protection
- Internal short circuit protection · p. 4
Around it
2- cap 2.2μF
- between input and ground; Input bypass; ceramic or solid tantalum. Mount with shortest leads, directly across regulator terminals if possible. · p. 4
- cap 1.0μF
- between output and ground; Output bypass for stability; ceramic or solid tantalum. Mount with shortest leads, directly across regulator terminals if possible. · p. 4
Specifications
21| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Input Voltage | Vo = −5V | max -25 V | 2 |
| Input-Output Differential | Vo = −5V | max 25 V | 2 |
| Operating Junction Temperature Range | min 0 · max 125 °C | 2 | |
| Storage Temperature Range | min -65 · max 150 °C | 2 | |
| Lead Temperature | Soldering, 10 sec. | max 230 °C | 2 |
| Output Voltage VO | LM7905C; TJ = 25°C; VIN = −10V; IOUT = 500mA; CIN = 2.2uF; COUT = 1uF; Power Dissipation ≤ 1.5W | min -4.8 · typ -5 · max -5.2 V | 2 |
| Output Voltage VO | LM7905C; 5mA ≤ IOUT ≤ 1A; P ≤ 15W; −20 ≤ VIN ≤ −7; 0°C ≤ TJ ≤ +125°C; CIN = 2.2uF; COUT = 1uF | min -4.75 · max -5.25 V | 2 |
| Line Regulation ΔVO | LM7905C; TJ = 25°C; −25 ≤ VIN ≤ −7; IOUT = 500mA; pulse testing at constant junction temperature | typ 8 · max 50 mV | 2 |
| Line Regulation ΔVO | LM7905C; TJ = 25°C; −12 ≤ VIN ≤ −8; IOUT = 500mA; pulse testing at constant junction temperature | typ 2 · max 15 mV | 2 |
| Load Regulation ΔVO | LM7905C; TJ = 25°C; 5mA ≤ IOUT ≤ 1.5A; VIN = −10V; pulse testing at constant junction temperature | typ 15 · max 100 mV | 2 |
| Load Regulation ΔVO | LM7905C; TJ = 25°C; 250mA ≤ IOUT ≤ 750mA; VIN = −10V; pulse testing at constant junction temperature | typ 5 · max 50 mV | 2 |
| Quiescent Current IQ | LM7905C; TJ = 25°C; VIN = −10V; IOUT = 500mA | typ 1 · max 2 mA | 2 |
| Quiescent Current Change ΔIQ | LM7905C; With Line; −25 ≤ VIN ≤ −7; IOUT = 500mA; 0°C ≤ TJ ≤ +125°C | max 0.5 mA | 2 |
| Quiescent Current Change ΔIQ | LM7905C; With Load, 5mA ≤ IOUT ≤ 1A; VIN = −10V; 0°C ≤ TJ ≤ +125°C | max 0.5 mA | 2 |
| Output Noise Voltage Vn | LM7905C; TA = 25°C; 10Hz ≤ f ≤ 100Hz; VIN = −10V; IOUT = 500mA | typ 125 uV | 2 |
| Ripple Rejection | LM7905C; f = 120Hz; −18 ≤ VIN ≤ −8; IOUT = 500mA; 0°C ≤ TJ ≤ +125°C | min 54 · typ 66 dB | 2 |
| Dropout Voltage | LM7905C; TJ = 25°C; IOUT = 1A | typ 1.1 V | 2 |
| Peak Output Current IOMAX | LM7905C; TJ = 25°C; VIN = −10V | typ 2.2 A | 2 |
| Average Temperature Coefficient of Output Voltage | LM7905C; IOUT = 5mA; 0 C ≤ TJ ≤ 100°C; VIN = −10V | typ 0.4 mV/°C | 2 |
| Junction-to-Case Thermal Resistance θJC | TO-220 | typ 3 · max 5 °C/W | 4 |
| Junction-to-Ambient Thermal Resistance θJA | TO-220 | typ 60 · max 40 °C/W | 4 |
Ordering codes, by the datasheet
2- LM7905CT/NOPB
- TO-220 (NDE) · −5 V output; 3 pins; 45 per tube; RoHS; SN lead finish · p. 10
- LM7905CT/NOPB.B
- TO-220 (NDE) · −5 V output; 3 pins; 45 per tube; RoHS; SN lead finish · p. 10
Open-source boards using it
3- 2 layers50.8 × 50.8 mm
- 2 layers421 × 60 mm
Parts like it
8
LM7905CT
TO-220-3-20℃~+125℃ 1 1.5A 1.5V@(1A) 100uV 20V 4mA 5V 60dB@(120Hz) Fixed Negative Over Current Protection、Short Circuit Protection、Thermal shutdown TO-220-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSHGSEMIVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
L7805CDT-TR
DPAK0℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 5V 68dB@(120Hz) 6mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive DPAK Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
L7805CV
TO-2200℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 5V 68dB@(120Hz) 8mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
CJ7805 3%
TO-252-2(DPAK)-25℃~+125℃@(Tj) 1 1.5A 25V 2V@(1A) 5V 5mA 73dB@(120Hz) Fixed Positive TO-252-2(DPAK) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSJiangsu Changjing Electronics Technology (CJ)Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
L7805ABD2T-TR
TO-263-2-40℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 4.3mA 5V 68dB@(120Hz) Fixed Over Temperature Protection、Short Circuit Protection Positive TO-263-2 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
L7805ABV
TO-220-40℃~+125℃@(Tj) 1 1.5A 25V 2V@(1A) 5V 68dB@(120Hz) 6mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsL7805CV-DG
TO-2200℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 5V 62dB@(120Hz) 8mA Fixed Over Temperature Protection、Short Circuit Protection Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsL7805CV(XBLW)
TO-220-20℃~+125℃@(Tj) 1 1.5A 2V@(500mA) 35V 40uVrms 5V 6mA 80dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive TO-220 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSXBLWVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
Questions
Is there a KiCad symbol and footprint for the LM7905CT?
Yes. The symbol is Regulators:REG3+1 1GND-2IN-3OUT+4IN and the footprint ICs And Semiconductors THD:TO-220-H, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM7905CT?
TO-220, with 4 pins. Its footprint is drawn on this page.
Where is the LM7905CT datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM7905CT?
JLCPCB lists it as part C352863, with 3,246 in stock; the sellers' links on this page open their listings.
What can replace the LM7905CT?
Parts like it in the library: the LM7905CT by HGSEMI, the L7805CDT-TR by STMicroelectronics, the L7805CV by STMicroelectronics and the CJ7805 3% by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM7905CT?
3 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.