參數(shù)資料
型號: MAX5942BESE+
廠商: Maxim Integrated Products
文件頁數(shù): 23/24頁
文件大?。?/td> 0K
描述: IC IEEE 802.3AF POE SYSTM 16SOIC
產品培訓模塊: 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
8
_______________________________________________________________________________________
0.483
0.484
0.486
0.485
0.487
0.488
-40
0
-20
20
40
60
80
CS THRESHOLD VOLTAGE
vs. TEMPERATURE
MAX5942
toc20
TEMPERATURE (°C)
CS
THRESHOLD
VOLTAGE
(V)
FB = V-
NDRV RESISTANCE
vs. TEMPERATURE
MAX5942
toc21
1.0
1.5
2.5
2.0
4.0
4.5
3.5
3.0
5.0
NDRV
RESISTANCE
(
)
-40
0
20
-20
40
60
80
TEMPERATURE (°C)
HIGH-SIDE DRIVER
LOW-SIDE DRIVER
-40
-20
0
20
40
60
80
CURRENT-LIMIT DELAY
vs. TEMPERATURE
MAX5942
toc22
TEMPERATURE (°C)
CURRENT-LIMIT
DELAY
(ns)
188
190
192
194
196
198
200
202
204
206
208
210
FB = V-, 100mV OVERDRIVE ON CS
2.400
2.402
2.406
2.404
2.408
2.410
010
15
5
2025303540
VSS_SHDN vs. VDD
MAX5942
toc23
VDD (V)
V
SS_SHDN
(V)
267.0
268.0
267.5
269.0
268.5
269.5
270.0
270.5
271.0
010
15
5
2025303540
NDRV FREQUENCY vs. VDD
MAX5942
toc24
VDD (V)
NDRV
FREQUENCY
(kHz)
FB = V-
Typical Operating Characteristics (continued)
(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.
179.0
180.0
179.5
180.5
182.0
181.5
181.0
182.5
-40
-20
0
20
40
60
80
V+ SHUTDOWN CURRENT
vs. TEMPERATURE
MAX5942
toc19
TEMPERATURE (°C)
V+
SHUTDOWN
CURRENT
(
A)
V+ = 67V, FB = SS_SHDN = V-
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MAX5942BESE+ 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af POE Int/PWM Controller RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
MAX5942BESE+T 功能描述:輸入/輸出控制器接口集成電路 IEEE 802.3af POE Int/PWM Controller RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
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