4 layers130 × 90 mm
Final chain
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
206 parts3MIT
Overview
The LM5116MHX is a DC DC Converter made by Texas Instruments in a HTSSOP-20-EP package with 21 pins. -40℃~+125℃@(TJ) 1 1.215V~80V 180kHz~220kHz、480kHz~590kHz 6V~100V Adjustable Buck Buck External Yes HTSSOP-20-EP DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM5116MHX, from EasyEDA) and its footprint (EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP, from EasyEDA), ready for a KiCad board. 24,972 are in stock at JLCPCB (part C13755). 6 open-source boards in 1 repository on GitHub use it.
Symbol
Footprint
From the datasheet
19- Supply, least
- 6 V · VIN, recommended operating, min · p. 5
- Supply, most
- 100 V · VIN, recommended operating, max · p. 5
- Supply, absolute maximum
- 100 V · VIN, absolute maximum · p. 5
- Supply, least
- 4.75 V · VCC, recommended operating, min · p. 5
- Supply, most
- 15 V · VCC, recommended operating, max · p. 5
- Supply, absolute maximum
- 16 V · VCC, absolute maximum; must not exceed VIN · p. 5
- Supply, least
- 4.75 V · VCCX, external bias supply, recommended operating, min · p. 5
- Supply, most
- 15 V · VCCX, external bias supply, recommended operating, max · p. 5
- Supply, absolute maximum
- 16 V · VCCX, absolute maximum; must not exceed VIN · p. 5
- Junction, hottest
- 150 °C · junction temperature, absolute maximum · p. 5
- Takes working
- 5 mA · VIN operating current, VIN = 48 V, VCCX = 0 V, no gate load, typical · p. 6
- Takes at most
- 8 mA · VIN operating current, VIN = 100 V, VCCX = 0 V, no gate load, max · p. 6
- Takes asleep
- 1 µA · VIN shutdown current, EN = 0 V, VIN = 48 V, typical · p. 6
- Feedback reference
- 1.215 V · FB reference voltage, FB = COMP, typical · p. 7
- Switches at
- 200 kHz · oscillator frequency, RT = 16 kΩ, typical · p. 7
- Switches at
- 535 kHz · oscillator frequency, RT = 5 kΩ, typical · p. 7
- Junction to air (PWP (HTSSOP))
- 40.6 K/W · junction-to-ambient thermal resistance · p. 6
- Junction to board (PWP (HTSSOP))
- 17.7 K/W · junction-to-board thermal resistance · p. 6
- Junction to case (PWP (HTSSOP))
- 20.9 K/W · junction-to-case top thermal resistance · p. 6
Parameters
19- Current - Supply(Max)
- 8mA
- Frequency - Switching
- 480kHz~590kHz
- Function
- Step-down type
- Junction Temperature(Max)
- 150℃
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+125℃@(TJ)
- Output Type
- Adjustable
- Output Voltage
- 1.215V~80V
- Quiescent Current
- 5mA
- Reference Voltage
- 1.215V
- Standby Current
- 1uA
- Switch tube (built-in/external)
- External
- Synchronous Rectifier
- Yes
- Thermal Resistance(Junction to Ambient)
- 40.6℃/W
- Thermal Resistance(Junction to Board)
- 17.7℃/W
- Thermal Resistance(Junction to Case)
- 20.9℃/W
- Topology
- Buck
- Voltage - Supply
- 4.75V~100V
- Voltage - Supply(Absolute Max)
- 100V
Order codes
2- LM5116MHX/NOPBLCSC C13755
- LM5116MHX/NOPBLCSC C389718
Pinout
21| Pin | Name | Type |
|---|---|---|
| 1 | VIN | Unspecified |
| 2 | UVLO | Unspecified |
| 3 | RT/SYNC | Unspecified |
| 4 | EN | Unspecified |
| 5 | RAMP | Unspecified |
| 6 | AGND | Unspecified |
| 7 | SS | Unspecified |
| 8 | FB | Unspecified |
| 9 | COMP | Unspecified |
| 10 | VOUT | Unspecified |
| 11 | DEMB | Unspecified |
| 12 | CS | Unspecified |
| 13 | CSG | Unspecified |
| 14 | PGND | Unspecified |
| 15 | LO | Output |
| 16 | VCC | Unspecified |
| 17 | VCCX | Unspecified |
| 18 | HB | Unspecified |
| 19 | HO | Output |
| 20 | SW | Unspecified |
| 21 | EP | Unspecified |
Open-source boards using it
All 6- 4 layers110 × 90 mm
Usb hub 3s
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
116 parts3MIT - 4 layers130 × 92 mm
Usb hub 3s v2
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
116 parts3MIT - 4 layers130 × 92 mm
Usb hub 3s v2
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
104 parts3MIT - 4 layers130 × 92 mm
Usb hub 3s v2
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
119 parts3MIT - 4 layers130 × 92 mm
Usb hub 3s v2
misko/prompt2device
The separate vNext PCB skill and orchestrator package is available alongside the reference workflow below; existing projects keep their accepted toolchain until an explicit migration.
114 parts3MIT
Show this part on your page
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Is there a KiCad symbol and footprint for the LM5116MHX?
Yes. The symbol is EasyEDA_Cloud:LM5116MHX and the footprint EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM5116MHX?
HTSSOP-20-EP, with 21 pins. Its footprint is drawn on this page.
Where is the LM5116MHX datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM5116MHX?
JLCPCB lists it as part C13755, with 24,972 in stock; the sellers' links on this page open their listings.
What can replace the LM5116MHX?
Parts like it in the library: the LM5122MHX by Texas Instruments, the LM5576MHX by Texas Instruments, the LM25117PMHX by Texas Instruments and the LM5035CMHX by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the LM5116MHX?
6 boards in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8
LM5122MHX
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HTSSOP-20-EP-40℃~+125℃@(TJ) 1 1.225V~40V 3A 50kHz~1MHz 6V~42V Adjustable Buck Buck Built-in No HTSSOP-20-EP DC-DC Converters ROHSTexas InstrumentsDC-DC ConvertersTPS55165QPWPTQ1
HTSSOP-20-EP-40℃~+125℃@(TA) 1 15uA 1A 2MHz 3.6V~36V 5V、12V Boost、Buck Buck、Boost Built-in Fixed Yes HTSSOP-20-EP DC-DC Converters ROHSTexas InstrumentsDC-DC Converters