78M05
UMWExtended
-20℃~+85℃ 1 1A 2V@(500mA) 35V 40uV 5V 6mA 80dB@(120Hz) Fixed Over Temperature Protection、Short Circuit Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS
- Part id
- umw/78M05
- Category
- Voltage Regulators, Linear, Low Drop Out (LDO) Regulators
- Package
- TO-252
- Pins
- 3
- In stock
- 210,917 at JLCPCB (C347278)
Overview
The 78M05 is a voltage Regulators, Linear, Low Drop Out (LDO) Regulator made by UMW in a TO-252 package with 3 pins. -20℃~+85℃ 1 1A 2V@(500mA) 35V 40uV 5V 6mA 80dB@(120Hz) Fixed Over Temperature Protection、Short Circuit Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUT, from PCBKit's generic symbols) and its footprint (EasyEDA_Pro:to-252-2_l6.6-w6.1-p4.57-ls9.9-br-cw, from EasyEDA Pro), ready for a KiCad board. 210,917 are in stock at JLCPCB (part C347278).
Symbol
Footprint
From the datasheet
7- Supply, absolute maximum
- 35 V · VI, absolute maximum for VO=5 to 18V · p. 2
- Junction, hottest
- 125 °C · TJ, absolute maximum · p. 2
- Takes working
- 6 mA · max quiescent current, TJ=25°C, VI=10V, IO=350mA · p. 3
- Gives
- 1 A · max output current · p. 2
- Output
- 5 V · typical fixed output, TJ=25°C, VI=10V, IO=350mA · p. 3
- Dropout
- 2 V · typical dropout, TJ=25°C, IO=500mA · p. 3
- Junction to case (TO-252)
- 12.5 K/W · junction to case · p. 2
What it is and has
2- Output current
- up to 1A · p. 1
- Protection
- Thermal overload protection, short circuit protection · p. 1
Specifications
21| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| DC Input Voltage VI | 78M05; for VO=5 to 18V | max 35 V | 2 |
| Output Current IOUT | 78M05 | max 1 A | 2 |
| Power Dissipation (TC=25°C) PD | TO-252; TC=25°C | max 2 W | 2 |
| Junction Temperature TJ | 78M05 | min -20 · max 125 °C | 2 |
| Storage Temperature TSTG | 78M05 | min -55 · max 150 °C | 2 |
| Junction to Case θJC | TO-252 | typ 12.5 °C/W | 2 |
| Output Voltage VO | 78M05; TJ=25°C, IO=350mA, VI=10V, CI=0.33uF, CO=0.1uF | min 4.8 · typ 5 · max 5.2 V | 3 |
| Output Voltage VO | 78M05; IO=5mA~350mA, VI=7~20V, 0<TJ<+125°C, CI=0.33uF, CO=0.1uF | min 4.75 · typ 5 · max 5.25 V | 3 |
| Line Regulation(Note) ΔVO | 78M05; IO=200mA, VI=7V~25V, 0<TJ<+125°C, CI=0.33uF, CO=0.1uF | max 100 mV | 3 |
| Line Regulation(Note) ΔVO | 78M05; TJ=25°C, VI=8V~25V, IO=350mA, CI=0.33uF, CO=0.1uF | max 50 mV | 3 |
| Load Regulation(Note) ΔVO | 78M05; TJ=25°C, IO=5mA~500mA, VI=10V, CI=0.33uF, CO=0.1uF | max 100 mV | 3 |
| Load Regulation(Note) ΔVO | 78M05; TJ=25°C, IO=5mA~200mA, VI=10V, CI=0.33uF, CO=0.1uF | max 50 mV | 3 |
| Quiescent Current IQ | 78M05; TJ=25°C, IO=350mA, VI=10V, CI=0.33uF, CO=0.1uF | max 6 mA | 3 |
| Quiescent Current Change ΔIQ | 78M05; IO=5mA~350mA, VI=10V, 0<TJ<+125°C, CI=0.33uF, CO=0.1uF | max 0.5 mA | 3 |
| Quiescent Current Change ΔIQ | 78M05; IO=200mA, VI=8~25V, 0<TJ<+125°C, CI=0.33uF, CO=0.1uF | max 0.8 mA | 3 |
| Output Voltage Drift ΔV/ΔT | 78M05; IO=5mA, TJ=0~125°C, VI=10V, CI=0.33uF, CO=0.1uF | typ -0.5 mV/°C | 3 |
| Output Noise Voltage VN | 78M05; f=10Hz~100KHz, IO=350mA, VI=10V, 0<TJ<+125°C, CI=0.33uF, CO=0.1uF | typ 40 uV | 3 |
| Ripple Rejection RR | 78M05; f=120Hz, VI=8~18V, IO=350mA, 0<TJ<+125°C, CI=0.33uF, CO=0.1uF | typ 80 dB | 3 |
| Dropout Voltage VD | 78M05; TJ=25°C, IO=500mA, VI=10V, CI=0.33uF, CO=0.1uF | typ 2 V | 3 |
| Short Circuit Current ISC | 78M05; TJ=25°C, VI=35V, CI=0.33uF, CO=0.1uF | typ 800 mA | 3 |
| Peak Current IPK | 78M05; TJ=25°C, VI=10V, CI=0.33uF, CO=0.1uF | typ 1300 mA | 3 |
Ordering codes, by the datasheet
1- UMW 78M05
- TO-252 · 5 V output; marking 78M05; base quantity 2500; tape and reel · p. 15
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Questions
Is there a KiCad symbol and footprint for the 78M05?
Yes. The symbol is Pinmap_Generic:Regulator_Linear_1IN_2GND_3OUT and the footprint EasyEDA_Pro:to-252-2_l6.6-w6.1-p4.57-ls9.9-br-cw, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 78M05?
TO-252, with 3 pins. Its footprint is drawn on this page.
Where is the 78M05 datasheet?
UMW publishes it: the Datasheet link on this page opens it.
Where can I order the 78M05?
JLCPCB lists it as part C347278, with 210,917 in stock; the sellers' links on this page open their listings.
What can replace the 78M05?
Parts like it in the library: the L7805CDT(UMW) by UMW, the 7805 by YFW, the ICW7805T2G by ICW and the NJM78M05DL1A-TE1 by JRC. Check their datasheets: a part that fits the footprint may still differ in its ratings.