參數(shù)資料
型號(hào): MAX5913
廠商: Maxim Integrated Products, Inc.
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: +48V Quad Hot-Swap Controllers For Power-Over-LAN
中文描述: +48V、四路、熱插拔控制器,用于LAN供電
文件頁(yè)數(shù): 8/20頁(yè)
文件大?。?/td> 827K
代理商: MAX5913
t
O
vs R
RTIM
M
R
RTIM
(k
)
t
O
35
30
25
20
15
10
5
20
40
60
80
100
120
0
0
40
T
A
= -40
°
C, +25
°
C, +85
°
C
M
+48V Quad Hot-Swap Controllers For
Power-Over-LAN
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CSP
_ = V
CC
= +48V, V
DD
= +3.3V, V
RLY
= +12V, AGND = DGND = 0, RTIM = open, T
A
= +25
°
C, unless otherwise specified.)
SHORT-CIRCUIT RESPONSE
(V
CC
= +72V, EXPANDED TIME SCALE)
A
B
0
0
40
μ
s/div
ON = RLYON = V
DD
, R
L
= 1
, R
RTIM
= 2k
A: I
OUT
, 200mA/div
B: V
GATE
, 50V/div
PEAK SHORT-CIRCUIT RESPONSE TIME
(V
CC
= +72V, EXPANDED TIME SCALE)
MAX5913/4 toc29
A
B
0
0
1
μ
s/div
ON = RLYON = V
DD
, R
L
= 1
, R
RTIM
= 2k
A: I
OUT
, 5A/div
B: V
GATE
, 50V/div
OPEN-CIRCUIT THRESHOLD
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
T
69
66
60 63
42 45 48 51 54 57
36 39
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
2.0
33
72
T
A
= +25
°
C
T
A
= +85
°
C
T
A
= -40
°
C
4.0
3.5
3.0
2.5
2.0
-40
10
-15
35
60
85
OPEN-CIRCUIT THRESHOLD
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
T
V
= +36V, +48V,
+57V, AND +72V
OPEN-CIRCUIT GLITCH DELAY
A
B
0
0
40ms/div
ON = RLYON = V
DD
, STATOUT = LOW
A: I
OUT
, 20mA/div
B: V
STAT
, 5V/div
C: V
GATE
, 20V/div
0
C
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