参数资料
型号: MAX5947AESA+
厂商: Maxim Integrated
文件页数: 12/15页
文件大小: 269K
描述: IC CNTRLR HOT SWAP 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 9 V ~ 80 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
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癈, 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
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礔
Positive High-Voltage, Hot-Swap Controllers
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
PDF描述
VI-2T3-CW-S CONVERTER MOD DC/DC 24V 100W
VY2680K29Y5SS6UV5 CAP CER 68PF 300V 10% RADIAL
VE-JTZ-CY-B1 CONVERTER MOD DC/DC 2V 20W
VI-25Z-CU-S CONVERTER MOD DC/DC 2V 80W
VE-JTZ-CW-B1 CONVERTER MOD DC/DC 2V 40W
相关代理商/技术参数
参数描述
MAX5947AESA+ 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
MAX5947AESA+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
MAX5947AESA-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
MAX5947BESA 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
MAX5947BESA+ 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