Triple PCI Express, Hot-Plug Controllers
8  _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
12VIN
= V
12S_+
= 12V, V
3.3S_+
= V
3.3S_-
= V
3.3AUXIN
= V
ON_
= V
AUXON_
= V
FON_
= 3.3V, PWRGD_ = FAULT_ = PORADJ = TIM =
OUTPUT_ = OPEN, INPUT_ = PRES-DET_ = PGND = GND. See the Typical Application Circuit.)
SHORT CIRCUIT ON 12V MAIN OUTPUT
MAX5957 toc25
12G_
20V/div
FAULT_
5V/div
12V OUTPUT CURRENT
5A/div
2ms/div
12V OUTPUT VOLTAGE
10V/div
SHORT CIRCUIT ON 12V MAIN OUTPUT
MAX5957 toc26
12G_
20V/div
FAULT_
5V/div
12V OUTPUT CURRENT
10A/div
4祍/div
12V OUTPUT VOLTAGE
10V/div
0V
0V
0V
FAULT CONDITION ON AUXILIARY OUTPUT
(LATCHOFF OPTION)
MAX5957 toc23
FAULT_
2V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
100ms/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
R
LOAD
 STEP TO 3.5&
MAX5958
FAULT CONDITION ON AUXILIARY OUTPUT
MAX5957 toc24
FAULT_
2V/div
3.3VAUXO_ OUTPUT CURRENT
500mA/div
10ms/div
3.3VAUXO_ OUTPUT VOLTAGE
2V/div
R
LOAD
STEP TO 3&
t
FAULT
MAX5958
SHORT CIRCUIT ON 3.3V MAIN OUTPUT
MAX5957 toc27
3.3G_
5V/div
FAULT_
5V/div
3.3V OUTPUT CURRENT
2A/div
2ms/div
3.3V OUTPUT VOLTAGE
5V/div
SHORT CIRCUIT ON 3.3V MAIN OUTPUT
MAX5957 toc28
3.3G_
5V/div
FAULT_
5V/div
3.3V OUTPUT CURRENT
10A/div
2祍/div
3.3V OUTPUT VOLTAGE
5V/div
0V
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MAX5957LETN+ 功能描述:热插拔功率分布 Triple PCIe Hot Plug 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
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