參數(shù)資料
型號: MAX5942BESE+
廠商: Maxim Integrated Products
文件頁數(shù): 21/24頁
文件大?。?/td> 0K
描述: IC IEEE 802.3AF POE SYSTM 16SOIC
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 50
控制器類型: 以太網(wǎng)供電控制器(POE)
接口: IEEE 802.3af
電源電壓: 48V
電流 - 電源: 1mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 16-SOIC
包裝: 管件
MAX5942A/MAX5942B
IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
6
_______________________________________________________________________________________
DETECTION CURRENT vs.
INPUT VOLTAGE
MAX5942A/B
toc01
INPUT VOLTAGE (V)
DETECTION
CURRENT
(mA)
8
6
4
2
0.10
0.20
0.30
0.40
0.05
0.15
0.25
0.35
0.45
0
010
RDISC = 25.5k
GND = V+ = V- = OUT
CLASSIFICATION CURRENT
vs. INPUT VOLTAGE
MAX5942A/B
toc02
INPUT VOLTAGE (V)
CLASSIFICATION
CURRENT
(mA)
25
20
15
5
15
25
35
10
20
30
40
0
10
30
CLASS 0
CLASS 1
CLASS 2
CLASS 3
CLASS 4
EFFECTIVE DIFFERENTIAL INPUT
RESISTANCE vs. INPUT VOLTAGE
MAX5942A/B
toc03
INPUT VOLTAGE (V)
EFFECTIVE
DIFFERENTIAL
INPUT
RESISTANCE
(M
)
15
10
5
0.5
1.5
2.5
1.0
2.0
3.0
3.5
0
OFFSET CURRENT
vs. INPUT VOLTAGE
MAX5942A/B
toc04
INPUT VOLTAGE (V)
OFFSET
CURRENT
(
A)
8
6
4
29
10
7
5
3
-2.0
-1.0
-3.0
-2.5
-1.5
-0.5
0
-3.5
111
NORMALIZED UVLO
vs. TEMPERATURE
MAX5942A/B
toc05
TEMPERATURE (°C)
NORMALIZED
UVLO
60
35
10
-15
0.996
1.004
0.992
0.994
1.000
1.008
1.002
0.998
1.006
1.010
0.990
-40
85
UVLO = VEE
PGOOD OUTPUT LOW VOLTAGE
vs. CURRENT
MAX5942A/B
toc06
ISINK (mA)
V
PGOOD
(mV)
16
12
48
40
20
80
120
160
60
100
140
180
200
0
020
PGOOD OUTPUT LOW VOLTAGE
vs. CURRENT
MAX5942A/B
toc07
ISINK (mA)
V
PGOOD
(mV)
16
12
8
4
50
100
200
300
150
250
350
400
0
020
OUT LEAKAGE CURRENT
vs. TEMPERATURE
MAX5942A/B
toc08
INPUT VOLTAGE (V)
OUT
LEAKAGE
CURRENT
(nA)
60
35
10
-15
4
8
12
16
20
0
-40
85
VOUT = 67V
INRUSH CURRENT CONTROL
(VIN = 12V)
MAX5942A/B toc09
VGATE
5V/div
IINRUSH
100mA/div
VOUT
10V/div
PGOOD
10V/div
1ms/div
Typical Operating Characteristics
(VIN = (GND - VEE) = 48V, GATE = PGOOD = PGOOD = OUT = OPEN, UVLO = VEE, VDD = 13V, NDRV floating, TA = TMIN to TMAX.
Typical values are at TA = +25°C. All voltages are referenced to VEE (for graphs 1–11 in the Typical Operating Characteristics); all
voltages are referenced to V- (for graphs 12–30 in the Typical Operating Characteristics), unless otherwise noted.
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