参数资料
型号: MAX5954LETX+T
厂商: Maxim Integrated
文件页数: 7/22页
文件大小: 1027K
描述: IC PCI EXP/HOT-PLUG CTRLR 36TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 热交换控制器
应用: 通用型,PCI Express?
内部开关:
电源电压: 3.3V,12V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-WFQFN 裸露焊盘
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
包装: 带卷 (TR)
Single PCI Express, Hot-Plug
Controller
_______________________________________________________________________________________   7
Typical Operating Characteristics (continued)
(V
12VIN
= V
12S+
= 12V, V
3.3VAUXIN
= V
3.3S+
= V
ON
= V
AUXON
= V
INPUT
= 3.3V, PRES-DET = GND, FON = PORADJ = TIM = float,
FAULT = 10k& to 3.3VAUXIN, PWRGD = 10k& to 3.3VAUXO, T
A
= +25癈, unless otherwise noted, see the Typical Application
Circuit.)
3.3V INPUT/3.3V AUXILIARY INPUT
POWER-UP
MAX5954 toc16
3.3V OUTPUT
5V/div
PWRGD
5V/div
3.3VAUXO
5V/div
3.3G
10V/div
100ms/div
3.3S+
5V/div
TURN-ON DELAY 3.3V OUTPUT AND
3.3V AUXILIARY OUTPUT
MAX5954 toc17
4ms/div
5V/div
5V/div
5V/div
5V/div
10V/div
3.3VAUXO
OUTPUT VOLTAGE
3.3 VOLTAGE
3.3 INPUT,
3.3VAUXIN
3.3G
PWRGD
FAULT CONDITION ON 12V OUTPUT
(AUTORESTART OPTION MAX5954A)
MAX5954 toc18
12G
20V/div
FAULT
5V/div
12V OUTPUT CURRENT
5A/div
100ms/div
12V OUTPUT VOLTAGE
10V/div
t
RESTART
R
LOAD
 STEP TO 1.5&
FAULT CONDITION ON 3.3V OUTPUT
(AUTORESTART OPTION MAX5954A)
MAX5954 toc19
3.3G
10V/div
FAULT
5V/div
3.3V MAIN OUTPUT CURRENT
2A/div
100ms/div
3.3V OUTPUT VOLTAGE
5V/div
t
RESTART
R
LOAD
 STEP TO 0.5&
FAULT CONDITION ON AUXILIARY OUTPUT
(AUTORESTART OPTION MAX5954A)
MAX5954 toc20
FAULT
2V/div
3.3VAUXO OUTPUT CURRENT
500mA/div
100ms/div
3.3VAUXO OUTPUT VOLTAGE
2V/div
t
RESTART
R
LOAD
 STEP TO 4&
FAULT CONDITION ON 12V OUTPUT
(LATCH OPTION MAX5954L)
MAX5954 toc21
12G
20V/div
FAULT
5V/div
12V OUTPUT CURRENT
5A/div
100ms/div
12V OUTPUT VOLTAGE
10V/div
R
LOAD
 STEP TO 1.5&
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