LM2660MX

Texas Instruments

-40℃~+85℃ 1.5V~5.5V 100mA 120uA 5kHz 6.5Ω 88% Inverted、boost converter SOIC-8 Charge Pumps ROHS

Extended

Category: Charge Pumps
Package: SOIC-8
Pins: 8

Overview

The LM2660MX is a charge Pump made by Texas Instruments in a SOIC-8 package with 8 pins. -40℃~+85℃ 1.5V~5.5V 100mA 120uA 5kHz 6.5Ω 88% Inverted、boost converter SOIC-8 Charge Pumps ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM2660MX_NOPB, from EasyEDA) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 77 are in stock at JLCPCB (part C183083). 2 open-source boards in 2 repositories on GitHub use it.

Symbol

EasyEDA_Cloud:LM2660MX_NOPBFrom EasyEDA

Footprint

Package_SO:SOIC-8_3.9x4.9mm_P1.27mmFrom KiCad's library

From the datasheet

Supply, least: 3.5 V · V+, recommended operating min, inverter, LV open · p. 4
Supply, most: 5.5 V · V+, recommended operating max, inverter, LV open · p. 4
Supply, least: 1.5 V · V+, recommended operating min, inverter, LV grounded · p. 4
Supply, least: 2.5 V · GND to OUT, recommended operating min, doubler, LV = OUT · p. 4
Supply, absolute maximum: 6 V · V+ to GND or GND to OUT, absolute max · p. 4
Junction, hottest: 85 °C · Operating junction temperature max · p. 4
Takes working: 120 µA · Supply current typical, no load, LV open, FC open, V+ = 5 V · p. 5
Takes working: 1 mA · Supply current typical, no load, LV open, FC = V+, V+ = 5 V · p. 5
Gives: 100 mA · Output current min, TA ≤ 85°C, OUT ≤ −4 V · p. 5
Switches at: 5 kHz · Switching frequency typical, OSC open, FC open · p. 5
Switches at: 40 kHz · Switching frequency typical, OSC open, FC = V+ · p. 5
Junction to air (SOIC (D)): 170 K/W · Junction-to-ambient thermal resistance · p. 4

What it is and has

Conversion modes: Inverts or doubles input supply voltage · p. 1
Package options: Narrow SOIC and VSSOP · p. 1
Output resistance: 6.5 Ω typical · p. 1
Conversion efficiency: 88% typical at 100 mA · p. 1
Selectable oscillator frequency: 10 kHz / 80 kHz · p. 1
External oscillator input: Optional · p. 1
External clock frequency: 150 kHz maximum · p. 9

Specifications

Parameter	Conditions	As printed	Page
Supply voltage (V+ to GND, or GND to OUT)	Over operating free-air temperature range	max 6 V	4
V+ and OUT continuous output current		max 120 mA	4
Output short-circuit duration to GND		max 1 second	4
Power dissipation	SOIC (D)	max 735 mW	4
Lead temperature (soldering, 10 seconds)	Soldering, 10 seconds	max 300 °C	4
Operating junction temperature		min -40 · max 85 °C	4
Storage temperature range Tstg		min -65 · max 150 °C	4
Electrostatic discharge V(ESD)	Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins	max 2000 V	4
V+ (supply voltage) V+	Inverter, LV = Open	min 3.5 · max 5.5 V	4
V+ (supply voltage) V+	Inverter, LV = GND	min 1.5 · max 5.5 V	4
V+ (supply voltage) V+	Doubler, LV = OUT	min 2.5 · max 5.5 V	4
Junction temperature (TJ) TJ		min -40 · max 85 °C	4
Junction-to-ambient thermal resistance RθJA	SOIC (D), 8 pins	typ 170 °C/W	4
Supply voltage V+	RL = 1k; Inverter, LV = Open	min 3.5 · max 5.5 V	5
Supply voltage V+	RL = 1k; Inverter, LV = GND	min 1.5 · max 5.5 V	5
Supply voltage V+	RL = 1k; Doubler, LV = OUT	min 2.5 · max 5.5 V	5
Supply current IQ	No Load; LV = Open; FC = Open; V+ = 5V	typ 0.12 · max 0.5 mA	5
Supply current IQ	No Load; LV = Open; FC = V+; V+ = 5V	typ 1 · max 3 mA	5
Output current IL	TA ≤ 85°C, OUT ≤ −4 V	min 100 mA	5
Output current IL	TA > 85°C, OUT ≤ −3.8 V	min 100 mA	5
Output resistance ROUT	IL = 100 mA; TA ≤ 85°C; includes internal switch resistance and capacitor ESR	typ 6.5 · max 10 Ω	5
Output resistance ROUT	IL = 100 mA; TA > 85°C; includes internal switch resistance and capacitor ESR	max 12 Ω	5
Oscillator frequency fOSC	OSC = Open; FC = Open	min 5 · typ 10 kHz	5
Oscillator frequency fOSC	OSC = Open; FC = V+	min 40 · typ 80 kHz	5
Switching frequency fSW	OSC = Open; FC = Open	min 2.5 · typ 5 kHz	5
Switching frequency fSW	OSC = Open; FC = V+	min 20 · typ 40 kHz	5
OSC input current IOSC	FC = Open; typical value is ±2 uA	typ 2 uA	5
OSC input current IOSC	FC = V+; typical value is ±16 uA	typ 16 uA	5
Power efficiency PEFF	RL (1k) between V+ and OUT	min 96 · typ 98 %	5
Power efficiency PEFF	RL (500) between GND and OUT	min 92 · typ 96 %	5
Power efficiency PEFF	IL = 100 mA to GND	typ 88 %	5
Voltage conversion efficiency VOEFF	No Load	min 99 · typ 99.96 %	5

Pins, by the datasheet

1 FC: Frequency control: open selects 10 kHz typical; connected to V+ selects 80 kHz typical; has no effect with an external OSC clock. · p. 3
2 CAP+: Connect to the positive terminal of the charge-pump capacitor. · p. 3
3 GND: Power supply ground input in inverter mode; power supply positive voltage input in doubler mode. · p. 3
4 CAP−: Connect to the negative terminal of the charge-pump capacitor. · p. 3
5 OUT: Negative voltage output in inverter mode; power supply ground input in doubler mode. · p. 3
6 LV: In inverter mode, tie to GND below 3.5 V or when using an external OSC clock; above 3.5 V, connect to GND or leave open. In doubler mode, tie to OUT. · p. 3
7 OSC: Oscillator control input with an internal 15-pF capacitor; an external capacitor slows the oscillator. An external clock may drive OSC only in inverter mode. · p. 3
8 V+: Power supply positive voltage input in inverter mode; positive voltage output in doubler mode. · p. 3

Ordering codes, by the datasheet

LM2660-MWC: WAFERSALE (YS) · 0 pins; quantity 1; no carrier required; operating temperature −40 to 85°C · p. 20
LM2660-MWC.A: WAFERSALE (YS) · 0 pins; quantity 1; no carrier required; operating temperature −40 to 85°C · p. 20
LM2660M/NOPB: SOIC (D) · 8 pins; tube of 95; operating temperature −40 to 85°C · p. 20
LM2660M/NOPB.A: SOIC (D) · 8 pins; tube of 95; operating temperature −40 to 85°C · p. 20
LM2660M/NOPB.B: SOIC (D) · 8 pins; tube of 95; operating temperature −40 to 85°C · p. 20
LM2660MM/NOPB: VSSOP (DGK) · 8 pins; small tape and reel of 1000; operating temperature −40 to 85°C · p. 20
LM2660MM/NOPB.A: VSSOP (DGK) · 8 pins; small tape and reel of 1000; operating temperature −40 to 85°C · p. 20
LM2660MM/NOPB.B: VSSOP (DGK) · 8 pins; small tape and reel of 1000; operating temperature −40 to 85°C · p. 20
LM2660MX/NOPB: SOIC (D) · 8 pins; large tape and reel of 2500; operating temperature −40 to 85°C · p. 20
LM2660MX/NOPB.A: SOIC (D) · 8 pins; large tape and reel of 2500; operating temperature −40 to 85°C · p. 20
LM2660MX/NOPB.B: SOIC (D) · 8 pins; large tape and reel of 2500; operating temperature −40 to 85°C · p. 20

Parameters

Current - Supply: 120uA
Energy Efficiency: 88%
Features: Cascade support
Frequency - Switching: 5kHz
Function: boost converter
Junction Temperature(Max): 85℃
Operating Temperature: -40℃~+85℃
Operating Voltage: 1.5V~5.5V
Output Current: 100mA
Output Resistance: 6.5Ω
Quiescent Current: 120uA
Switching Frequency: 5kHz
Thermal Resistance(Junction to Ambient): 170℃/W
Voltage - Supply: 1.5V~5.5V
Voltage - Supply(Absolute Max): 6V

Order codes

LM2660MX/NOPBLCSC C183083

Pinout

The pins of the LM2660MX
Pin	Name	Type
1	FC	Unspecified
2	CAP+	Unspecified
3	GND	Unspecified
4	CAP−	Unspecified
5	OUT	Unspecified
6	LV	Unspecified
7	OSC	Unspecified
8	V+	Unspecified

Open-source boards using it

All 2

4 layers
VolksEEG
VolksEEG/VolksEEG
Open Source EEG project
148 parts77GPL-3.0
4 layers130 × 80 mm
LoRa Water Quality Management System Sensor Node
msharp176/LoRa-Water-Quality-Management-System
Repository for the LoRa Water Quality Management System, Penn State Harrisburg Senior Electrical Engineering Capstone Design Course, Fall 2025
162 parts

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Questions

Is there a KiCad symbol and footprint for the LM2660MX?

Yes. The symbol is EasyEDA_Cloud:LM2660MX_NOPB and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM2660MX?

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

Where is the LM2660MX datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LM2660MX?

JLCPCB lists it as part C183083, with 77 in stock; the sellers' links on this page open their listings.

What can replace the LM2660MX?

Parts like it in the library: the MAX660ESA+T by Maxim Integrated (Analog Devices), the LM2662MX by Texas Instruments, the LM2662M by Texas Instruments and the ADM660ARZ-REEL7 by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the LM2660MX?

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

LM2660MX

Overview

Symbol

Footprint

From the datasheet

What it is and has

Specifications

Pins, by the datasheet

Ordering codes, by the datasheet

Parameters

Order codes

Pinout

Open-source boards using it

VolksEEG

LoRa Water Quality Management System Sensor Node

Show this part on your page

Questions

Is there a KiCad symbol and footprint for the LM2660MX?

What package is the LM2660MX?

Where is the LM2660MX datasheet?

Where can I order the LM2660MX?

What can replace the LM2660MX?

Which open-source boards use the LM2660MX?

Parts like it

MAX660ESA+T

LM2662MX

LM2662M

ADM660ARZ-REEL7

MAX889TESA+T

MAX660CSA+T

LM2660M

MAX889SESA+