MAX5913AEMH Просмотр технического описания (PDF) - Maxim Integrated
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MAX5913AEMH Datasheet PDF : 20 Pages
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+48V Quad Hot-Swap Controllers For
Power-Over-LAN
Typical Operating Characteristics
(VCSP_ = VCC = +48V, VDD = +3.3V, VRLY = +12V, VAGND = VDGND = 0V, RTIM = open, TA = +25°C, unless otherwise specified.)
SUPPLY CURRENT
vs. INPUT VOLTAGE
SUPPLY CURRENT
vs. TEMPERATURE
UNDERVOLTAGE LOCKOUT
vs. TEMPERATURE
4.0
3.5
32
3.8
3.4
3.6
3.3
TA = +85°C
3.4
TA = +25°C
3.2
VCC = +72V
31
VCC RISING
3.2
3.1
30
3.0
3.0
VCC = +48V
2.8
2.9
VCC = +57V
29
VCC FALLING
2.6
2.8
2.4
TA = -40°C
2.2
2.0
33 36 39 42 45 48 51 54 57 60 63 66 69 72
INPUT VOLTAGE (V)
2.7
2.6
2.5
-40
VCC = +36V
-15
10
35
60
85
TEMPERATURE (°C)
28
27
-40 -15 10
35
60
85
TEMPERATURE (°C)
GATE OVERDRIVE VOLTAGE
vs. INPUT VOLTAGE
9.50
TA = -40°C
9.25
TA = +25°C
GATE OVERDRIVE VOLTAGE
vs. TEMPERATURE
9.5
VCC = +57V
VCC = +72V
9.0
STARTUP WAVEFORMS
MAX5913A/14A toc06
A
0
0
B
9.00
VCC = +48V
VCC = +36V
0
C
8.5
8.75
TA = +85°C
0
D
8.50
33 36 39 42 45 48 51 54 57 60 63 66 69 72
INPUT VOLTAGE (V)
8.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
TURN-OFF WAVEFORMS
MAX5913A/14A toc07
0
A
B
0
GATE TURN-OFF WAVEFORM
MAX5913A/14A toc08
0
A
B
0
4ms/div
A: VON = VRLYON, 5V/div
B: VRLYD, 20V/div
C: VOUT, 20V/div
D: VGATE, 20V/div
UVLO TURN-ON DELAY
MAX5913A/14A toc09
A
0
B
0
C
0
C
0
C
0
D
0
D
0
D
0
4ms/div
10ms/div
4ms/div
A: VON = VRLYON, 5V/div
A: VRLYD, 20V/div
RLYON = VDD
B: VRLYD, 20V/div
B: VRLYON, 5V/div
A: VON, 5V/div
C: VOUT, 20V/div
C: VON, 5V/div
B: VCC, 10V/div
D: VGATE, 20V/div
D: VGATE, 20V/div
C: VOUT, 50V/div
4 ___________________________________________________________________________D_: V_G_AT_E_, 5_0V_/_di_v ___
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