Part	Number of Channels [custom]	Features	Type	Applications	Mounting Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Supplier Device Package	Programmable Features	Operating Temperature [Max]	Operating Temperature [Min]	Internal Switch(s)	Current - Supply	Package / Case
Analog Devices Inc./Maxim Integrated MAX5903ABEUT	1	Auto Retry Fault Timeout Thermal Limit UVLO	Hot Swap Controller	Networking	Surface Mount	72 VDC	9 V	SOT-23-6	Auto Retry Circuit Breaker Current Limit Fault Timeout Slew Rate Thermal Limit UVLO	85 C	-40 ¯C	Both	1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903ACEUT+T	1	Auto Retry Fault Timeout Thermal Limit	Hot Swap Controller	General Purpose	Surface Mount	72 VDC	9 V	SOT-23-6 SOT-6	UVLO	85 °C	-40 C		1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903LAEUT+T
Analog Devices Inc./Maxim Integrated MAX5903LCEUT+T	1	Fault Timeout Latched Fault Thermal Limit	Hot Swap Controller	General Purpose	Surface Mount	72 VDC	9 V	SOT-23-6 SOT-6	UVLO	85 °C	-40 C		1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903LAEUT	1	Latched Fault Thermal Limit UVLO	Hot Swap Controller	Networking	Surface Mount	72 VDC	9 V	SOT-23-6	Circuit Breaker Current Limit Latched Fault Thermal Limit UVLO	85 C	-40 ¯C	Both	1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903ABEUT+T	1	Auto Retry Fault Timeout Thermal Limit	Hot Swap Controller	General Purpose	Surface Mount	72 VDC	9 V	SOT-23-6 SOT-6	UVLO	85 °C	-40 C		1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903LBEUT-T	1	Latched Fault Thermal Limit UVLO	Hot Swap Controller	Networking	Surface Mount	72 VDC	9 V	SOT-23-6	Circuit Breaker Current Limit Latched Fault Thermal Limit UVLO	85 C	-40 ¯C	Both	1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903LBEUT	1	Latched Fault Thermal Limit UVLO	Hot Swap Controller	Networking	Surface Mount	72 VDC	9 V	SOT-23-6	Circuit Breaker Current Limit Latched Fault Thermal Limit UVLO	85 C	-40 ¯C	Both	1 mA	SOT-23-6
Analog Devices Inc./Maxim Integrated MAX5903ACETT+
Analog Devices Inc./Maxim Integrated MAX5903NNETT+T	1	Thermal Limit	Hot Swap Controller	General Purpose	Surface Mount	72 VDC	9 V	6-TDFN (3x3)	UVLO	85 °C	-40 C		1 mA

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 3.59
		22500	$ 3.59
	Tape & Reel (TR)	2500	$ 3.59

Description

General part information

MAX5903 Series

The MAX5902/MAX5903 are hot-swap controllers that allow a circuit card to be safely hot plugged into a live backplane without causing a glitch on the power-supply rail. These devices operate from +9V to +72V and provide the simplest hot-swap solution by eliminating all external components except the external p-channel MOSFET.The MAX5902/MAX5903 limit the inrush current to the load and provide a circuit-breaker function for overcurrent protection. During startup the circuit-breaker function is disabled and the MAX5902/MAX5903 limit the inrush current by gradually turning on the external MOSFET. Once the external MOSFET is fully enhanced, the circuit-breaker function is enabled and the MAX5902/MAX5903 provide overcurrent protection by monitoring the voltage drop across the external MOSFET's on-resistance.The MAX5902/MAX5903 include an undervoltage lockout (UVLO) function, ON/active-low OFF control input, and a power-good status output, active-low PGOOD (MAX5902) or PGOOD (MAX5903). A built-in thermal shutdown feature is also included to protect the external MOSFET in case of overheating.The MAX5902/MAX5903 offer latched or autoretry fault management and are available with 300mV, 400mV or 500mV circuit-breaker thresholds. Both the MAX5902 and MAX5903 are available in small SOT23 and TDFN packages, and are specified for the extended -40°C to +85°C temperature range. For specific ordering information, see the Selector Guide at the end of the data sheet.ApplicationsBase-Station Line CardsIndustrial SystemsNetwork Hubs, Switches, RoutersNetwork Hubs, Switches, RoutersRAIDServers

Documents

Technical documentation and resources

MAX5902-MAX5903: +72V SOT23/TDFN Simple Swapper Hot-Swap Controllers Data Sheet (Rev.3)

Data Sheet

MAX5903 Reliability Data

Reliability Data

Package Drawing - 6-SOT_23-N/A

Package Drawing