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MAX5910ESA+ |MAX5910ESAMAXIMN/a145avai+65V Simple Swapper Hot-Swap Switches
MAX5917AESE+MAXIMN/a41avai+65V Simple Swapper Hot-Swap Switches
MAX5917BESE+ |MAX5917BESEMAXIMN/a70avai+65V Simple Swapper Hot-Swap Switches


MAX5910ESA+ ,+65V Simple Swapper Hot-Swap SwitchesApplications *Future product—contact factory for availability.IP PhonesPower-Over-LANPower-Over-MDI ..
MAX5911ESA ,48V Simple Swapper Hot-Swap SwitchesFeaturesThe MAX5911/MAX5912 are fully integrated hot-swap Provides Safe Hot Swap for -16V to -65V ..
MAX5911ESA ,48V Simple Swapper Hot-Swap SwitchesApplicationsDGND 4 5 ENABLEIP Phones Internet AppliancesNetwork Routers Power-Over-LAN8 SONetwork S ..
MAX5911ESA+ ,-48V, Simple Swapper Hot-Swap SwitchesApplicationsDGND 4 5 ENABLEIP Phones Internet AppliancesNetwork Routers Power-Over-LAN8 SONetwork S ..
MAX5912ESE ,48V Simple Swapper Hot-Swap SwitchesELECTRICAL SPECIFICATIONS(V = -48V, AGND = DGND = 0, UVLO = open circuit, V = +3.3V, and T = -40°C ..
MAX5912ESE+ ,-48V, Simple Swapper Hot-Swap SwitchesELECTRICAL SPECIFICATIONS(V = -48V, AGND = DGND = 0, UVLO = open circuit, V = +3.3V, and T = -40°C ..
MAZ8075G ,Silicon planar typeElectrical Characteristics within Part Numbers T = 25°C±3°CaTemperatureZener Zener riseReversecoef ..
MAZ8075-H ,Silicon planar typeElectrical characteristics within part numbers T = 25°CaTemperaturecoefficient ofZener voltage Rev ..
MAZ8075-L ,Silicon planar typeAbsolute Maximum Ratings T = 25°CaMarking SymbolParameter Symbol Rating UnitRefer to the list of t ..
MAZ8075-M ,Silicon planar typeFeatures•Extremely low noise voltage caused from the diode (2.4V to 39V,1/3 to 1/10 of our conventi ..
MAZ8082-H ,Silicon planar typeFeatures•Extremely low noise voltage caused from the diode (2.4V to 39V,1/3 to 1/10 of our conventi ..
MAZ8082-L ,Silicon planar typeZener DiodesMAZ8000 SeriesSilicon planar typeUnit : mmFor stabilization of power supplyKA


MAX5910ESA+-MAX5917AESE+-MAX5917BESE+
+65V Simple Swapper Hot-Swap Switches
General Description
The MAX5910/MAX5917 are fully integrated hot-swap
switches for positive supply rails. These devices allow
the safe insertion and removal of circuit cards into live
backplanes or ports without causing glitches on the
backplane power-supply rail. They also monitor various
circuit parameters and disconnect the load if a fault
condition occurs, alerting the host with a logic-level
IFAULToutput. The MAX5910/MAX5917 operate over a
+10V to +65V input voltage range. They are designed
to permit hot plugging of an internet appliance such as
an IP phone but are not limited to that application.
During startup, an internal power FET regulates the cur-
rent between the backplane power source and the load
to 280mA for the MAX5910, 567mA for the MAX5917A,
and 420mA for the MAX5917B. After startup, the FET is
fully enhanced to reduce its on-resistance. To ensure
robust operation, the MAX5910/MAX5917 contain built-
in safety features that prevent damage to the internal
FET. They include an enable input, which responds to
positive logic signals (+3.3V or +5V), allowing the host
system to disconnect the load.
The MAX5910/MAX5917 Simple Swapper™ hot-swap ICs
monitor four parameters for fault conditions: undervoltage
lockout (UVLO), power-not-good, zero-current detection,
and thermal shutdown. These devices are available in the
extended temperature range, -40°C to +85°C. The
MAX5910 comes in an 8-pin SO package and the
MAX5917A/B is available in a 16-pin SO package.
Applications

IP Phones
Power-Over-LAN
Power-Over-MDI
Remote Power Distribution
Network Routers
Network Switches
Internet Appliances
Features
Provides Safe Hot Swap for +10V to +65V Power
Supplies
IEEE 802.3af Compliant (MAX5917A)Startup into 500µF Load (MAX5917A)280mA Current Limit for MAX5910 567mA Current Limit for MAX5917A420mA Current Limit for MAX5917BZero-Current Load DetectionIntegrated 2.2ΩPower FETStatus Output Reports Fault ConditionsInternal Switch-Protection Circuitry Built-In Thermal Shutdown
MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches

+3.3V
IFAULT
VIN
VIN (+42V)
ENABLE
GND
VOUT
PGOOD
UVLO
10kΩ
10kΩMAX5910
MAX5917
OFF
Typical Operating Circuit
Ordering Information

19-1706; Rev 0; 7/01
*Future product—contact factory for availability.
PARTTEMP. RANGEPIN-PACKAGE
MAX5910ESA
-40°C to +85°C8 SO
MAX5917AESE*
-40°C to +85°C16 SO
MAX5917BESE-40°C to +85°C16 SO
Simple Swapper is a trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(VIN= +42V, GND = 0, UVLO = open circuit, VENABLE= +3.3V, and TA= -40°C to +85°C, unless otherwise noted. Typical values are
at TA= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VIN, VOUTto GND................................................-0.3V to +70.0V
ENABLE to GND..................................................-0.3V to +12.0V
PGOOD, IFAULT to GND....................................-0.3V to +12.0V
UVLO to GND..............................................-0.3V to (VIN+ 0.3V)
PGOOD, IFAULT Sink Current............................................10mA
Continuous Power Dissipation (TA= +70°C)
8-Pin SO (derate 5.9mW/°C above +70°C)..................470mW
16-Pin SO (derate 12.9mW/°C above +70°C)............1039mW
Operating Temperature Range...........................-40°C to +85°C
Maximum Junction Temperature.....................................+150°C
Storage Temperature Range.............................-60°C to +150°C
Lead Temperature (soldering 10s)..................................+300°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Input Voltage RangeVIN1065V
Supply CurrentIINVIN = 10V to 65V (Note 1)1.22.5mA
MAX5910250280310
MAX5917A510567623 Output Current LimitILIMVOUT = VIN - 5V,
VIN = 10V to 65VMAX5917B370420470
MAX5910240
MAX5917A400Continuous Operating Output
CurrentIOUT(Note 2)
MAX5917B350
DMOS On-ResistanceRDS(ON)
VIN = 10V to 65V,
MAX5910, IOUT = 200mA
MAX5917A, IOUT = 400mA
MAX5917B, IOUT = 300mA
2.24Ω
ENABLE Voltage Logic LowVLOW0.8V
ENABLE Voltage Logic HighVHIGH2.4V
ENABLE High Input CurrentIIHVENABLE = +5V1μA
IFAULT Output Leakage CurrentIOHIFAULT = 10V, IOH > (IFTH + IFHYS)1μA
PGOOD Output Leakage
CurrentILPGOODPGOOD = 10V, VOUT > VPG1μA
VIN to VOUT Leakage CurrentILIN/OUTENABLE = 0, VIN = +65V1μA
PGOOD/IFAULT Output Logic
LowVOLSink current = 3mA0.4V
PGOOD ThresholdVPGPercentage of VIN, VOUT rising717885%
PGOOD HysteresisPGHYSPercentage of VIN10%
MAX591021225
MAX5917A2610Zero-Current Detection
ThresholdIFTHDecreasing output
currentMAX5917B21225
MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches
Note 1:
Measured at GND pin at the end of the output voltage slew.
Note 2:
Guaranteed by RDSONtest. Limited by package power dissipation.
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

Zero-Current Detection
Threshold HysteresisIFHYSPercentage of IFTH10%
IFAULT Output DelaytIFD(Figure 1)71217ms
PGOOD Output DelaytPGD(Figure 2)71217ms
Thermal Shutdown TemperatureTJDie temperature increasing140oC
Thermal Shutdown HysteresisTJHYS3.5oC
Default Undervoltage LockoutVUVLOVIN decreasing24.526.528.5V
Undervoltage Lockout
HysteresisUVLOHYSPercentage of VUVLO11%
Minimum Undervoltage Lockout
Threshold
VUVLO
(MIN)
UVLO connected to VIN,
VIN decreasing77.58V
Undervoltage Lockout Input
ResistanceRUVLOForce I = 5μA into UVLO pin260kΩ
ELECTRICAL CHARACTERISTICS (continued)

(VIN= +42V, GND = 0, UVLO = open circuit, VENABLE= +3.3V, and TA= -40°C to +85°C, unless otherwise noted. Typical values are
at TA= +25°C.)
IOUT
IFAULT3.3V
tIFD
IFTH
Figure 1. IFAULTDelay
tPGD
VPG
VIN
PGOOD
3.3V
Figure 2. Power-Good Delay
MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches
Typical Operating Characteristics

(VIN= +42V, GND = 0, UVLO = open circuit, VENABLE= 3.3V, RL= 1.8kΩ, TA= +25°C, unless otherwise noted).
2ms/div
MAX5910 TURN-ON WAVEFORMS
(RL = 1.8kΩ, CL = 0)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc04
2ms/div
MAX5910 TURN-OFF WAVEFORMS
(RL = 1.8kΩ, CL = 0)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc05
2ms/div
MAX5910 TURN-ON WAVEFORMS
(RL = 1.8kΩ, CL = 47μF)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc061060504030
SUPPLY CURRENT
vs. SUPPLY VOLTAGE

MAX5910 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
NO LOAD
SUPPLY CURRENT
vs. TEMPERATURE
MAX5910 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
NO LOAD
ON-RESISTANCE vs. TEMPERATURE
MAX5910 toc03
TEMPERATURE (°C)
ON-RESISTANCE
ILOAD = 150mA
2ms/div
MAX5917B TURN-ON WAVEFORMS
(RL = 1.8kΩ, CL = 0)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc10
2ms/div
MAX5917B TURN-OFF WAVEFORMS
(RL = 1.8kΩ, CL = 0)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc11
2ms/div
MAX5917B TURN-ON WAVEFORMS
(RL = 1Ω, CL = 47μF)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc12
MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches
Typical Operating Characteristics (continued)

(VIN= +42V, GND = 0, UVLO = open circuit, VENABLE= 3.3V, RL= 1.8kΩ, TA= +25°C, unless otherwise noted).
20ms/div
MAX5910 TURN-OFF WAVEFORMS
(RL = 1.8kΩ, CL = 47μF)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc07
2ms/div
MAX5910 ZERO-CURRENT RESPONSE

A: IOUT, 100mA/div
B: IFAULT, 5V/div
C: VOUT, 20V/div
MAX5910 toc08
40ms/div
MAX5910 OVER-CURRENT RESPONSE

A: IOUT, 200mA/div
B: IFAULT, 5V/div
C: VOUT, 20V/div (SHORTED TO GND)
MAX5910 toc09
MAX5910/MAX5917
+65V Simple Swapper Hot-Swap Switches

40ms/div
MAX5917B OVER-CURRENT RESPONSE

A: IOUT, 200mA/div
B: IFAULT, 5V/div
C: VOUT, 20V/div (SHORTED TO GND)
MAX5910 toc17
MAX5910 IOUT vs. TEMPERATURE
MAX5910 toc18
TEMPERATURE (°C)
IOUT
(mA)
2ms/div
MAX5917B ZERO-CURRENT RESPONSE

A: IOUT, 100mA/div
B: IFAULT, 5V/div
C: VOUT, 20V/div
MAX5910 toc16
Typical Operating Characteristics (continued)

(VIN= +42V, GND = 0, UVLO = open circuit, VENABLE= 3.3V, RL= 1.8kΩ, TA= +25°C, unless otherwise noted).
20ms/div
MAX5917B TURN-OFF WAVEFORMS
(RL = 1.8kΩ, CL = 47μF)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc13
10ms/div
MAX5917B TURN-ON WAVEFORMS
(RL = 300Ω, CL = 500μF)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc14
100ms/div
MAX5917B TURN-OFF WAVEFORMS
(RL = 300Ω, CL = 500μF)

A: ENABLE, 5V/div
B: VOUT, 20V/div
C: PGOOD, 5V/div
MAX5910 toc15
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