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MAX4797ETT

产品描述1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
产品类别电源/电源管理    电源电路   
文件大小228KB,共9页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
相似器件已查找到16个与MAX4797ETT功能相似器件
下载文档 详细参数 选型对比 全文预览 文档解析

MAX4797ETT概述

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5

1通道 供电支持电路, PDSO5

MAX4797ETT规格参数

参数名称属性值
是否无铅含铅
是否Rohs认证不符合
厂商名称Maxim(美信半导体)
零件包装代码DFN
包装说明TDFN-EP-6
针数6
Reach Compliance Code_compli
ECCN代码EAR99
可调阈值NO
模拟集成电路 - 其他类型POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码S-XDSO-N6
JESD-609代码e0
长度3 mm
湿度敏感等级1
信道数量1
功能数量1
端子数量6
最高工作温度85 °C
最低工作温度-40 °C
封装主体材料UNSPECIFIED
封装代码HVSON
封装等效代码SOLCC6,.11,37
封装形状SQUARE
封装形式SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度)240
电源2/4.5 V
认证状态Not Qualified
座面最大高度0.8 mm
最大供电电流 (Isup)0.125 mA
最大供电电压 (Vsup)4.5 V
最小供电电压 (Vsup)2 V
标称供电电压 (Vsup)3.3 V
表面贴装YES
技术BICMOS
温度等级INDUSTRIAL
端子面层Tin/Lead (Sn/Pb)
端子形式NO LEAD
端子节距0.95 mm
端子位置DUAL
处于峰值回流温度下的最长时间20
宽度3 mm

文档解析

MAX4798是500mA电流限制开关,具备自动重试特性。它处理更高电流负载,同时在过流时自动循环开关状态(消隐时间14ms,重试时间210ms至900ms),FLAG输出指示故障状态。工作电压范围2.0V至4.5V,导通电阻0.18Ω,最小化能量损失。 关键特性包括热关断保护、反向电流限制和低功耗模式(静态电流80μA)。自动重试功能允许开关在故障清除后自动恢复,减少外部控制需求。封装选项为SOT23和TDFN,支持紧凑布局。快速响应时间(5μs)确保高效故障处理。 适合应用如手机SDIO、便携式医疗设备和工业控制系统,其中高电流和自动恢复是关键需求。产品通过UL认证 pending,提供高可靠性的电源管理解决方案。

文档预览

下载PDF文档
19-2944; Rev 0; 8/03
450mA/500mA Current-Limit Switches
General Description
The MAX4795–MAX4798 family of switches feature inter-
nal current limiting to prevent damage to host devices
due to faulty load conditions. These analog switches
have a low 0.2Ω on-resistance and operate from a 2.0V
to 4.5V input voltage range. They are available with guar-
anteed 450mA and 500mA current limits, making them
ideal for SDIO and other load-switching applications.
When the switch is on and a load is connected to the
port, a guaranteed blanking time of 14ms ensures the
transient voltages settle down. If after this blanking time,
the load current is greater than the current limit, the
MAX4795 and MAX4797 switches are turned off and
FLAG
is issued to the microprocessor. The switch can be
turned on again by cycling the power or the ON input.
The MAX4796 and MAX4798 have an autoretry feature
where the switch turns off and issues a
FLAG
to the
microprocessor after the blanking time and then contin-
uously checks to see if the overload condition is pre-
sent. The switch remains on after the overload condition
disappears and
FLAG
deasserts.
The MAX4795–MAX4798 are available in tiny, space-
saving, 5-pin SOT23 and 6-pin TDFN (3mm x 3mm)
packages.
o
o
o
o
o
o
o
o
o
o
o
o
o
o
Features
Guaranteed Current Limit: 450mA and 500mA
Thermal-Shutdown Protection
Reverse-Current Protection
0.2Ω On-Resistance
14ms Guaranteed Blanking Time
FLAG
Function
Autoretry (MAX4796/MAX4798)
80µA Supply Current
6µA Latchoff Current
(MAX4795/MAX4797)
0.01µA Shutdown Current
+2V to +4.5V Supply Range
Fast Current-Limit Response Time
Tiny SOT23 and TDFN Packages
UL Certification Pending
MAX4795–MAX4798
Ordering Information
PART
MAX4795EUK-T
MAX4795ETT*
MAX4796EUK-T
MAX4796ETT*
MAX4797EUK-T
MAX4797ETT*
MAX4798EUK-T
MAX4798ETT*
TEMP RANGE
-40°C to +85°C
40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
5 SOT23-5
6 TDFN-EP**
5 SOT23-5
6 TDFN-EP**
5 SOT23-5
6 TDFN-EP**
5 SOT23-5
6 TDFN-EP**
TOP
MARK
AEDI
AEDJ
AEDK
AEDL
Applications
SDIO
PDAs and Palmtop Devices
Cell Phones
GPS Systems
Hand-Held Devices
Typical Operating Circuit
+2.0V TO +4.5V
*Future
product—contact factory for availability.
**EP
= Exposed pad.
Selector Guide appears at end of data sheet.
Pin Configurations
TOP VIEW
IN
ON
µP
IN
1
GND
2
TO SDIO PORT
OUT
ON
3
5
OUT
IN
1
OUT
2
4
FLAG N.C.
3
6
ON
MAX4795
MAX4796
MAX4797
MAX4798
GND
FLAG
MAX4795
MAX4796
MAX4797
MAX4798
SOT23
MAX4795
MAX4796
MAX4797
MAX4798
TDFN
5
GND
4
FLAG
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX4797ETT相似产品对比

MAX4797ETT MAX4795ETT MAX4795 MAX4798ETT MAX4798 MAX4796ETT
描述 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
可调阈值 NO NO NO NO NO NO
功能数量 1 1 1 1 1 1
端子数量 6 6 5 6 5 6
表面贴装 YES YES YES YES YES YES
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子形式 NO LEAD NO LEAD GULL WING NO LEAD GULL WING NO LEAD
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL
是否无铅 含铅 含铅 - 含铅 - 含铅
是否Rohs认证 不符合 不符合 - 不符合 - 不符合
厂商名称 Maxim(美信半导体) Maxim(美信半导体) - Maxim(美信半导体) - Maxim(美信半导体)
零件包装代码 DFN DFN - DFN - DFN
包装说明 TDFN-EP-6 TDFN-EP-6 - TDFN-EP-6 - TDFN-EP-6
针数 6 6 - 6 - 6
Reach Compliance Code _compli _compli - _compli - _compli
ECCN代码 EAR99 EAR99 - EAR99 - EAR99
模拟集成电路 - 其他类型 POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码 S-XDSO-N6 S-XDSO-N6 - S-XDSO-N6 - S-XDSO-N6
JESD-609代码 e0 e0 - e0 - e0
长度 3 mm 3 mm - 3 mm - 3 mm
湿度敏感等级 1 1 - 1 - 1
信道数量 1 1 - 1 - 1
最高工作温度 85 °C 85 °C - 85 °C - 85 °C
最低工作温度 -40 °C -40 °C - -40 °C - -40 °C
封装主体材料 UNSPECIFIED UNSPECIFIED - UNSPECIFIED - UNSPECIFIED
封装代码 HVSON HVSON - HVSON - HVSON
封装等效代码 SOLCC6,.11,37 SOLCC6,.11,37 - SOLCC6,.11,37 - SOLCC6,.11,37
封装形状 SQUARE SQUARE - SQUARE - SQUARE
封装形式 SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 240 240 - 240 - 240
电源 2/4.5 V 2/4.5 V - 2/4.5 V - 2/4.5 V
认证状态 Not Qualified Not Qualified - Not Qualified - Not Qualified
座面最大高度 0.8 mm 0.8 mm - 0.8 mm - 0.8 mm
最大供电电流 (Isup) 0.125 mA 0.125 mA - 0.125 mA - 0.125 mA
最大供电电压 (Vsup) 4.5 V 4.5 V - 4.5 V - 4.5 V
最小供电电压 (Vsup) 2 V 2 V - 2 V - 2 V
标称供电电压 (Vsup) 3.3 V 3.3 V - 3.3 V - 3.3 V
技术 BICMOS BICMOS - BICMOS - BICMOS
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb)
端子节距 0.95 mm 0.95 mm - 0.95 mm - 0.95 mm
处于峰值回流温度下的最长时间 20 20 - 20 - 20
宽度 3 mm 3 mm - 3 mm - 3 mm

与MAX4797ETT功能相似器件

器件名 厂商 描述
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MAX4795EUK+ Maxim(美信半导体) Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN
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