PAM2401SCADJ

Diodes Incorporated

-40℃~+85℃ 1 150uA 1A 1MHz 2.5V~5V 900mV~4.75V Adjustable Boost Boost Built-in Yes MSOP-8 DC-DC Converters ROHS

Extended

Datasheetdiodes/PAM2401SCADJ

Category: DC DC Converters
Package: MSOP-8
Pins: 8

Overview

The PAM2401SCADJ is a DC DC Converter made by Diodes Incorporated in a MSOP-8 package with 8 pins. -40℃~+85℃ 1 150uA 1A 1MHz 2.5V~5V 900mV~4.75V Adjustable Boost Boost Built-in Yes MSOP-8 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (SparkFun-IC-Power:PAM2401, from Eagle libraries) and its footprint (Package_SO:MSOP-8_3x3mm_P0.65mm, from KiCad's library), ready for a KiCad board. 4,717 are in stock at JLCPCB (part C508238). 10 open-source boards in 7 repositories on GitHub use it.

Symbol

SparkFun-IC-Power:PAM2401From Eagle libraries

Footprint

Package_SO:MSOP-8_3x3mm_P0.65mmFrom KiCad's library

From the datasheet

Supply, least: 900 mV · VIN, recommended minimum, no load, VO = 5V · p. 4
Supply, most: 4.75 V · VIN, recommended maximum, no load, VO = 5V · p. 4
Supply, least: 2.7 V · VIN, recommended minimum, IO = 1A, VO = 5V · p. 4
Supply, absolute maximum: 6 V · VIN, absolute maximum · p. 3
Works from: -40 °C · Ambient temperature, minimum · p. 3
Works up to: 85 °C · Ambient temperature, maximum · p. 3
Junction, hottest: 125 °C · Junction temperature, maximum recommended · p. 3
Takes working: 150 µA · Quiescent current, typical, no load, switching, external feedback, VO = 5V · p. 4
Takes asleep: 100 nA · Shutdown supply current, typical · p. 4
Gives: 1 A · Output current, maximum at VIN = 3V and VOUT = 5.0V · p. 1
Current limit: 3 A · N-channel current limit, typical, RSET floating or RSET > 200KΩ · p. 4
Current limit: 1.5 A · N-channel current limit, typical, RSET = 100KΩ · p. 4
Current limit: 1 A · N-channel current limit, typical, RSET = 66KΩ · p. 4
Feedback reference: 600 mV · FB regulation voltage, typical, no load · p. 4
Switches at: 1 MHz · Oscillator frequency, typical · p. 4
Junction to case (MSOP-8): 75 K/W · Junction to case thermal resistance, maximum · p. 3
Junction to air (MSOP-8): 180 K/W · Junction to ambient thermal resistance, maximum · p. 3

What it is and has

Efficiency: Up to 95% · p. 1
Output disconnect: True output disconnect · p. 1
Inrush current limiting: When power on · p. 1
Input voltage range: 0.9V to 4.75V · p. 1
Adjustable output voltage: 2.5V to 5.0V · p. 1
Startup voltage: Guaranteed 1.0V · p. 1
Current limit: Programmable · p. 1
Soft-start: Internal · p. 1
Compensation: Internal · p. 1
Short protection: Hiccup mode · p. 1
Protection: Over voltage · p. 1
Protection: Over temperature · p. 1
Package options: MSOP-8 and U-DFN3030-12 · p. 1
Compliance: Lead-free and RoHS compliant · p. 1

Around it

res 100kΩ: between FB and GND; R2 in the feedback divider example for 5V output. · p. 5
res 750kΩ: between OUT and FB; R1 in the feedback divider example for 5V output. · p. 5
ind 1.5µH or 2.2µH: between VIN and LX; Recommended for most applications; use low DCR and a saturation current rating greater than the possible peak inductor current. · p. 5
cap 10µF: between VIN and GND; Minimum recommended input capacitance; ceramic is suitable; locate as close as possible to the IC. · p. 5
cap 10-22µF: between VIN and GND; May be required for higher power and dynamic loads. · p. 5
cap 22µF: between OUT and GND; Minimum recommended output capacitance; multilayer ceramic capacitors are suitable. · p. 5

Specifications

Parameter	Conditions	As printed	Page
Input Voltage	TA = +25°C; with respect to ground	min -0.3 · max 6 V	3
SW Voltage	TA = +25°C; with respect to ground	min -0.3 · max 6 V	3
SHDN, FB Voltage	TA = +25°C; with respect to ground	min -0.3 · max 6 V	3
VOUT	TA = +25°C; with respect to ground	min -0.3 · max 6 V	3
Operating Temperature Range		min -40 · max 85 °C	3
Storage Temperature Range		min -65 · max 125 °C	3
Lead Temperature (Soldering, 10 sec)	Soldering, 10 sec	max 300 °C	3
Ambient Temperature Range		min -40 · max 85 °C	3
Junction Temperature Range		min -40 · max 125 °C	3
Thermal Resistance (Junction to Case) ΘJC	MSOP-8	max 75 °C/W	3
Thermal Resistance (Junction to Ambient) ΘJC	MSOP-8	max 180 °C/W	3
Internal Power Dissipation PD	MSOP-8	max 0.55 W	3
Input Voltage Range VIN	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; No load, VO = 5V	min 0.9 · max 4.75 V	4
Input Voltage Range VIN	TA = +25°C, VOUT = 5V, L = 2.2uH; IO =1A , VO = 5V	min 2.7 · max 4.75 V	4
Minimum Startup Voltage VSTARTUP	TA = +25°C, L = 2.2uH; IO = 0.1A, VO = 3.3V	typ 1 V	4
Shutdown Supply Current ISD	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH	typ 0.1 · max 1 uA	4
Quiescent Current Iq	TA = +25°C, VIN = 3.3V, L = 2.2uH; No load, switching (measured with external feedback); VO = 5V	typ 150 uA	4
Oscillator Frequency fOSC	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH	min 0.8 · typ 1 · max 1.2 MHz	4
Maximum Duty Cycle DMAX	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH	typ 87.5 %	4
Output-Voltage Adjust Range VO	TA = +25°C, VIN = 3.3V, L = 2.2uH	min 2.5 · max 5 V	4
FB Regulation Voltage VFB	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; No Load	min 0.588 · typ 0.6 · max 0.612 V	4
Load Regulation LDR	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; IOUT = 1mA to 1000mA	typ 2.5 %	4
Line Regulation LNR	TA = +25°C, L = 2.2uH; VO = 2.5V to 4.75V, IO = 0.5A	typ 0.3 %/V	4
Drain-Source On-State Resistance RDS(ON)	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; P MOSFET	typ 150 · max 250 mΩ	4
Drain-Source On-State Resistance RDS(ON)	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; N MOSFET	typ 100 · max 170 mΩ	4
N-Channel Current Limit (Note) ILIMIT	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; RSET Floating or RSET > 200KΩ	typ 3 A	4
N-Channel Current Limit (Note) ILIMIT	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; RSET = 100KΩ	typ 1.5 A	4
N-Channel Current Limit (Note) ILIMIT	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH; RSET = 66KΩ	typ 1 A	4
Pre-charge Current I-Charge	TA = +25°C, VIN = 3.3V, L = 2.2uH; VOUT +0.5V < VIN	typ 500 mA	4
Pre-charge Time T-Charge	TA = +25°C, VIN = 3.3V, L = 2.2uH; VOUT +0.5V < VIN	typ 400 us	4
SW Leakage Current ILSW	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH	min 0.1 · max 2 uA	4
Power Good Threshold VPG	TA = +25°C, VIN = 3.3V, VOUT = 5V, L = 2.2uH	typ 92 %	4
EN Threshold High VH	TA = +25°C, VOUT = 5V, L = 2.2uH; VIN = 0.9V	min 0.8 V	4
EN Threshold High VH	TA = +25°C, VOUT = 5V, L = 2.2uH; VIN = 3.3V	min 1.5 V	4
EN Threshold Low VL	TA = +25°C, VOUT = 5V, L = 2.2uH; VIN > 1.2V	max 0.2 V	4
Over Temperature Threshold TOTSD	VIN = 3.3V, VOUT = 5V, L = 2.2uH	typ 160 °C	4
Over Temperature Hysteresis THYS	VIN = 3.3V, VOUT = 5V, L = 2.2uH	typ 50 °C	4

Pins, by the datasheet

1 LX: Switch pin. · p. 2
2 EN: Enables control input. · p. 2
3 VIN: Input voltage pin. · p. 2
4 AGND: Analog ground. · p. 2
5 FB: Feedback pin internally set to 0.6V. · p. 2
6 RSET: Current limit setting. · p. 2
7 OUT: Output pin. · p. 2
8 PGND: Power ground. · p. 2

Ordering codes, by the datasheet

PAM2401SCADJ: MSOP-8 · Adjustable output; 8 pins; 2,500 units/Tape & Reel. · p. 8
PAM2401YPADJ: U-DFN3030-12 · Adjustable output; 12 pins; 3,000 units/Tape & Reel. · p. 8

Parameters

Current Limit: 3A
Features: Light load efficient mode
Frequency - Switching: 1MHz
Function: Boost
Junction Temperature(Max): 125℃
Number of Outputs: 1
Operating Temperature: -40℃~+85℃
Output Current: 1A
Output Type: Adjustable
Output Voltage: 2.5V~5V
Quiescent Current: 150uA
Reference Voltage: 600mV
Standby Current: 100nA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: Yes
Thermal Resistance(Junction to Ambient): 180℃/W
Thermal Resistance(Junction to Case): 75℃/W
Topology: Boost
Voltage - Supply: 900mV~4.75V
Voltage - Supply(Absolute Max): 6V

Order codes

PAM2401SCADJLCSC C508238

Pinout

The pins of the PAM2401SCADJ
Pin	Name	Type
1	LX	Unspecified
2	EN	Unspecified
3	VIN	Unspecified
4	AGND	Unspecified
5	FB	Unspecified
6	RSET	Unspecified
7	OUT	Unspecified
8	PGND	Unspecified

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Questions

Is there a KiCad symbol and footprint for the PAM2401SCADJ?

Yes. The symbol is SparkFun-IC-Power:PAM2401 and the footprint Package_SO:MSOP-8_3x3mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PAM2401SCADJ?

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

Where is the PAM2401SCADJ datasheet?

Diodes Incorporated publishes it: the Datasheet link on this page opens it.

Where can I order the PAM2401SCADJ?

JLCPCB lists it as part C508238, with 4,717 in stock; the sellers' links on this page open their listings.

What can replace the PAM2401SCADJ?

Parts like it in the library: the MCP16311-E/MS by Microchip Technology, the TPS62160DGKR by Texas Instruments, the ADP1613ARMZ-R7 by Analog Devices and the RT9277BGF by Richtek Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the PAM2401SCADJ?

10 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

PAM2401SCADJ

Overview

Symbol

Footprint

From the datasheet

What it is and has

Around it

Specifications

Pins, by the datasheet

Ordering codes, by the datasheet

Parameters

Order codes

Pinout

Open-source boards using it

Mintypcb

Mintypcb

Ikafly rev0a p

NightLight

VolvocineWithCurrentSensorV4

VolvocineWithCurrentSensor

Ikafly main

LegoLight Solo

Show this part on your page

Questions

Is there a KiCad symbol and footprint for the PAM2401SCADJ?

What package is the PAM2401SCADJ?

Where is the PAM2401SCADJ datasheet?

Where can I order the PAM2401SCADJ?

What can replace the PAM2401SCADJ?

Which open-source boards use the PAM2401SCADJ?

Parts like it

MCP16311-E/MS

TPS62160DGKR

ADP1613ARMZ-R7

RT9277BGF

ADP1612ARMZ-R7

MAX1797EUA+T

LM3224MM-ADJ

LM3485MM