MAX5913AEMHT Просмотр технического описания (PDF) - Maxim Integrated
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MAX5913AEMHT Datasheet PDF : 20 Pages
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+48V Quad Hot-Swap Controllers For
Power-Over-LAN
Typical Operating Characteristics (continued)
(VCSP_ = VCC = +48V, VDD = +3.3V, VRLY = +12V, VAGND = VDGND = 0V, RTIM = open, TA = +25°C, unless otherwise specified.)
CURRENT-LIMIT FOLDBACK
(VCC = +72V)
MAX5913A/14A toc16
A
0
B
CURRENT-LIMIT FOLDBACK
(VCC = +57V)
MAX5913A/14A toc17
A
B
0
CURRENT-LIMIT FOLDBACK
(VCC = +72V)
MAX5913A/14A toc18
A
0
B
0
C
0
10ms/div
RLYON = VDD, RL = 200Ω, RRTIM = 40kΩ
A: VON, 5V/div
B: VOUT, 10V/div
C: IOUT, 200mA/div
OVERCURRENT DELAY
MAX5913A/14A toc19
0
0
C
10ms/div
RLYON = VDD, RL = OPEN,
RRTIM = 40kΩ, CLOAD = 470µF
A: VON, 5V/div
B: VOUT, 10V/div
C. IOUT, 200mA/div
OVERCURRENT DELAY
(EXPANDED TIME SCALE)
MAX5913A/14A toc20
0
0
C
20ms/div
RLYON = VDD, RL = OPEN, RRTIM = 40kΩ, CLOAD = 470µF
A: VON, 5V/div
B: VOUT, 20V/div
C: IOUT, 200mA/div
SHORT-CIRCUIT RESPONSE
(VCC = +48V)
MAX5913A/14A toc21
A
0
B
0
20ms/div
RTRYEN = VDD, RLYON = ON = VDD, DC = 4%,
RRTIM = 2kΩ, RL = 100Ω
A: VGATE, 20V/div
B: IOUT, 200mA/div
A
0
0
B
1ms/div
RTRYEN = VDD, RLYON = ON = VDD,
DC = DON'T CARE, RRTIM = 2kΩ, RL = 100Ω
A: VGATE, 20V/div
B: IOUT, 200mA/div
A
0
B
0
1ms/div
ON = RLYON = VDD, RL = 1Ω, RRTIM = 2kΩ
A: IOUT, 200mA/div
B: VGATE, 20V/div
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