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 9V,
the minimum gate-drive voltage is 4.5V. 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. In applications over a 9V to 20V range, a logic-level
n-FET must be used with a proper protection Zener diode
between its gate and source (as D1 shown in Figure 5).
Thermal Shutdown
If the MAX5932 die temperature reaches +150癈, an
overtemperature fault is generated. As a result, GATE
goes low and turns the external MOSFET off. The
MAX5932 die temperature must cool down below +130癈
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礔
MAX5932
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礔
Positive High-Voltage, Hot-Swap Controller
12   ______________________________________________________________________________________
OVERVOLTAGE WAVEFORMS
I
SENSE
5A/div
TIMER
10V/div
IN
50V/div
GATE
50V/div
10祍/div
OUTPUT
50V/div
Figure 11. Overvoltage Waveforms
Figure 10. Overvoltage Detection
相关PDF资料
MAX5933EESA+ IC HOT-SWAP CONTROLLER 8-SOIC
MAX5934EEE+ IC HOT-SWAP CONTROLLER 16-QSOP
MAX5935EAX+ IC CTRLR POWER QUAD 36-SSOP
MAX5937LCESA+ IC HOT-SWAP CTRLR -48V 8-SOIC
MAX5938LEEE+ IC HOT-SWAP CTRLR -48V 16-QSOP
MAX5939EESA+ IC HOT-SWAP CTRLR -48V 8-SOIC
MAX5946LETX+T IC CNTRLR PCI EXP DL 36TQFN
MAX5948BESA+T IC CNTRLR HOT SWAP 8-SOIC
相关代理商/技术参数
MAX5932ESA-G077 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5932ESA-T 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5932ESA-TG077 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5932EVKIT 功能描述:热插拔功率分布 Evaluation Kit for the MAX5932 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5933AESA 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5933AESA+ 功能描述:热插拔功率分布 Positive Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5933AESA+T 功能描述:热插拔功率分布 Positive Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5933AESA-T 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube