MAX5942BCSE データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
メーカー
MAX5942BCSE
Maxim Integrated
MAX5942BCSE Datasheet PDF : 24 Pages
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IEEE 802.3af Power-Over-Ethernet
Interface/PWM Controller for Power Devices
Table 2. Setting Classification Current
CLASS
RCL (Ω)
VIN* (V)
CLASS CURRENT SEEN AT VIN (mA)
IEEE 802.3af PD CLASSIFICATION
CURRENT SPECIFICATION (mA)
MIN
MAX
MIN
MAX
0
10k
12.6 to 20
0
4
0
4
1
732
12.6 to 20
9
12
9
12
2
392
12.6 to 20
17
20
17
20
3
255
12.6 to 20
26
30
26
30
4
178
12.6 to 20
36
42
36
44
*VIN is measured across the MAX5942 input pins (VEE and GND), which does not include the diode bridge voltage drop.
GND
UVLO
UVLO
GND
2.4V,
REF REF
R1
21.8V
R2
39V
2.4V, 0.8
HYST
R3
VGATE, 6V
EN
200mV
GATE
VEE
Figure 2. Powered Device Interface Block Diagram
EN
6.8V
CLASSIFICATION
RCL
MAX5942B
PGOOD
Q4
1.2V, REF
5V, REF
PGOOD
Q3
Q2
VOUT
Q1
12 ______________________________________________________________________________________
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