参数资料
型号: MAX5946LETX+T
厂商: Maxim Integrated
文件页数: 7/23页
文件大小: 1102K
描述: IC CNTRLR PCI EXP DL 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)
Dual PCI Express, Hot-Plug
Controller
_______________________________________________________________________________________   7
Typical Operating Characteristics (continued)
(V
12VIN
= V
12SA+
= 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, PWRGDA = 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
MAX5946 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
MAX5946 toc17
4ms/div
5V/div
5V/div
5V/div
5V/div
10V/div
3.3VAUXO_
OUTPUT VOLTAGE
3.3 OUTPUT VOLTAGE
3.3 INPUT,
3.3VAUXIN
3.3G_
PWRGD
FAULT CONDITION ON 12V OUTPUT
(AUTORESTART OPTION MAX5946A)
MAX5946 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 MAX5946A)
MAX5946 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 MAX5946A)
MAX5946 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 MAX5946L)
MAX5946 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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