參數(shù)資料
型號: MAX5933C
廠商: Maxim Integrated Products, Inc.
英文描述: 8-Input Positive-NAND Gates 14-CDIP -55 to 125
中文描述: 正電源、高壓、熱插拔控制器
文件頁數(shù): 12/15頁
文件大小: 269K
代理商: MAX5933C
GATE Voltage
A curve of Gate Drive vs. V
CC
is shown in
Figure 13.
GATE is clamped to a maximum voltage of 18V above the
input voltage. At a minimum input-supply voltage of 33V,
the minimum gate drive voltage is 10V. When the input
supply voltage is higher than 20V, the gate-drive voltage
is at least 10V and a standard n-channel MOSFET can be
used. Using the MAX5947 in applications over a 9V to
20V range, a logic-level N-FET must be used with a prop-
er protection Zener diode between its gate and source
(see D1 in Figure 5).
Thermal Shutdown
If the MAX5933_/MAX5947_ die temperature reaches
+150°C, an overtemperature fault is generated. As a
result, GATE goes low and turns the external MOSFET off.
The MAX5933_/MAX5947_ die temperature must cool
down below +130°C before the overtemperature fault
condition is removed.
R6
1k
5%
C1
10nF
D2
CMPZ5248B
Q1
IRF530
R5
10
5%
R
SENSE
0.025
R3
59k
1%
R4
3.57k
1%
R7
24k
5%
C
L
R2
3.4k
1%
R1
49.9k
1%
C2
0.68
μ
F
MAX5933B
MAX5947B
PWRGD
GND
V
IN
TIMER
ON
PWRGD
FB
GND
V
CC
SENSE
GATE
5
1
3
2
4
8
7
6
D1
30V
1N5256B
SHORT
PIN
0.1
μ
F
M
Positive High-Voltage, Hot-Swap Controllers
12
______________________________________________________________________________________
OVERVOLTAGE WAVEFORMS
I
SENSE
5A/div
TIMER
10V/div
OUTPUT
50V/div
IN
50V/div
GATE
50V/div
10
μ
s/div
Figure 11. Overvoltage Waveforms
Figure 10. Overvoltage Detection
相關PDF資料
PDF描述
MAX5933CESA 8-Input Positive-NAND Gates 20-LCCC -55 to 125
MAX5947CESA Positive High-Voltage, Hot-Swap Controllers
MAX5940A IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
MAX5940B IEEE 802.3af PD Interface Controller For Power-Over-Ethernet
MAX5940A-MAX5940B Quadruple 2-Input Positive-NAND Buffers 14-CDIP -55 to 125
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MAX5933CESA+T 功能描述:熱插拔功率分布 Positive Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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