max5922aeuit Maxim Integrated Products, Inc., max5922aeuit Datasheet
max5922aeuit
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max5922aeuit Summary of contents
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Rev 0; 4/03 +48V, Single-Port Network Power Switch General Description The MAX5922A/B single-port network power con- troller with an integrated power MOSFET, operating from a +32V to +60V supply rail. The device is specifically designed for power-sourcing ...
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Single-Port Network Power Switch For Power-Over-LAN ABSOLUTE MAXIMUM RATINGS (All voltages with respect to AGND_S, unless otherwise noted.) IN ............................................................................-0.3V to +76V UVLO ........................................................................-0. DGND ..........................................................-0.3V to +6V DIG OUT .......................................................-0. DRAIN ..........................................................-0.3V ...
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Single-Port Network Power Switch ELECTRICAL CHARACTERISTICS (continued 48V 3.3V, AGND_S = AGND = DGND = 0V DIG = 18.2kΩ ±1 -40°C to +85°C, unless otherwise noted. Typical values are at T ...
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Single-Port Network Power Switch For Power-Over-LAN ELECTRICAL CHARACTERISTICS (continued 48V 3.3V, AGND_S = AGND = DGND = 0V DIG = 18.2kΩ ±1 -40°C to +85°C, unless otherwise noted. Typical values are ...
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Single-Port Network Power Switch (MAX5922A 48V EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V DIG UVLO floating 150kΩ 18.2kΩ, T RCL RDT ...
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Single-Port Network Power Switch For Power-Over-LAN (MAX5922A 48V EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R DIG IN UVLO floating 150kΩ 18.2kΩ, T ...
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Single-Port Network Power Switch (MAX5922A 48V EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V DIG UVLO floating 150kΩ 18.2kΩ, T RCL RDT ...
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Single-Port Network Power Switch For Power-Over-LAN (MAX5922A 48V EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, R DIG IN UVLO floating 150kΩ 18.2kΩ, T ...
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Single-Port Network Power Switch (MAX5922A 48V EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V DIG UVLO floating 150kΩ 18.2kΩ, T RCL RDT ...
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Single-Port Network Power Switch For Power-Over-LAN PIN NAME Analog Ground. This is the return of analog power input. AGND can vary ±4V from DGND. AGND and * AGND DGND must be connected together at a single point in the ...
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Single-Port Network Power Switch PIN NAME Zero-Current-Detection Enable Logic Input. Referenced to DGND. Connect ZC_EN to a logic high to 21 ZC_EN enable the zero-current detection circuitry. Connect ZC_EN to a logic low to disable this function. ON/OFF Control-Logic ...
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Single-Port Network Power Switch For Power-Over-LAN Detailed Description The MAX5922 is a single-port network power controller with an integrated power MOSFET, operating from a +32V to +60V supply rail. The device is specifically designed for PSE in power-over-LAN applications ...
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Single-Port Network Power Switch POWER-ON RESET Y N LATCH = HIBH Y SWITCH SHUTOFF FAULT = LOW SWITCH SHUT-OFF ZC = LOW RESET t ZCDEL 350ms? ZCDEL V INCREMENT t ZCDEL ...
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Single-Port Network Power Switch For Power-Over-LAN INTERNAL TO MAX5922 I = 1.5mA MAX V PROBE_VOLTAGE Figure 3. PSE Detection Source RESET POWER- LATCH = HIGH? SWITCH SHUT-OFF FAULT = LOW SWITCH SHUT-OFF ZC = LOW RESET t ...
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Single-Port Network Power Switch UVLO OUT DET1 88ms Figure 5. PD Detection with an Invalid PD Signature Table 2. PD Classification Threshold Limits SENSED CURRENT (mA) CL2 0 above ...
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Single-Port Network Power Switch For Power-Over-LAN +48V +17.5V +8V +4V V CROSSES UVLO Figure 6. Startup Sequence output voltage slew rate at the OUT pin to dV 100V/ms (max) and the output-current slew rate out of ...
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Single-Port Network Power Switch V = 32V TO 60V MAX5922 UVLO R2 AGND_S Figure 7. Setting Undervoltage Lockout with an External Resistive-Divider V is the input supply for the internal logic circuitry. DIG The logic input ...
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Single-Port Network Power Switch For Power-Over-LAN This overcurrent timeout enables the MAX5922 to operate in a periodic overcurrent condition without causing a fault (see Figure 9). Power-OK (POK) POK goes open-drain t POK_HIGH rises to within V (0.75V) from ...
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Single-Port Network Power Switch PART PIN-PACKAGE MAX5922AEUI 28 TSSOP MAX5922BEUI 28 TSSOP MAX5922CEUI 28 TSSOP Pin Configuration TOP VIEW DRAIN 1 DRAIN 2 N. RCL 5 MAX5922A N.C. 6 MAX5922B MAX5922C AGND_S 7 UVLO 8 RDT ...
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Single-Port Network Power Switch For Power-Over-LAN +48V IN MAX5922A/MAX5922B RJ45 RJ45 CAT5 +48V IN +48V 47µF 100V R RCL 150Ω RDT 18.2kΩ 1% OPEN-DRAIN OUTPUTS REFERENCED TO DGND AGND 20 ______________________________________________________________________________________ Typical Application Circuits +48V POWER OVER ...
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Single-Port Network Power Switch (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than circuitry ...