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参数资料
| 型号： | MAX5976AETE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/9页 |
| 文件大小： | 0K |
| 描述： | IC CTLR 7A HOT-SWAP 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 热交换开关 |
| 应用： | 通用 |
| 内部开关： | 是 |
| 电流限制： | 7A |
| 电源电压： | 2.7 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 管件 |
2.7V to 18V, 7A, Hot-Swap Solution
Power-Good Delay
The devices feature an open-drain, power-good output
that asserts after 16ms (typ), indicating that OUT has
devices' internal switch goes into normal operation. Use
the following equation to calculate the resistors values for
the desired undervoltage threshold:
V IN
? V
- 1 ? × R2
?
reached (0.9 x V IN ) voltage.
REG
The devices include a linear regulator that outputs
?
R1 = ?
? ON1_TH
?
?
I LIMIT (A) = ? ? × R CB ( ? )
2.6V at REG. REG provides power to the internal circuit
blocks of the ICs and must not be loaded externally. REG
requires a 1 F F capacitor to ground for proper operation.
Fault Status Output ( FAULT )
FAULT is an open-drain output that pulls low when a cur-
rent limit or an overtemperature fault shutdown occurs.
FAULT remains low until the next startup cycle. FAULT is
capable of sinking up to 5mA when asserted.
Thermal Protection
The devices enter a thermal shutdown mode in the event
of overheating caused by excessive power dissipation
or high ambient temperature. When the junction tem-
perature exceeds T J = +150 N C (typ), the internal thermal
protection circuitry turns off the internal power MOSFET.
The devices recover from thermal shutdown mode once
the junction temperature drops by 20 N C (typ).
Applications Information
Setting the Undervoltage Threshold
The devices feature an independent ON/OFF control
(ON1) for the internal MOSFET. The devices operate
with a 2.7V to 18V input voltage range and has a default
2.5V (typ) undervoltage lockout threshold. The internal
MOSFET remains off as long as V IN < 2.5V and/or V ON1
< V ON1_TH . The undervoltage lockout threshold is pro-
grammabl e using a resistive divider between ON1 and
GND (Figure 1). When V IN is greater than 2.7V and V ON1
exceeds the 1.21V (typ) threshold, the gate of the inter-
nal MOSFET enhances to 5V, with respect to V IN and the
where V IN is the desired turn-on voltage for the output
and V ON1 is 1.21V. R1 and R2 create a resistive divider
from V IN to ON1. During normal operating conditions,
V ON1 must remain above its 1.21V (typ) threshold. If
V ON1 falls 100mV (V ON1_HYS ) below the threshold, the
internal MOSFET turns off, disconnecting the load from
the input.
Setting the Current Limit
An external resistor from CB to ground sets the current
limit for the devices. Use the following formula to set the
current limit:
? 0.175A ?
? 1000 ? ?
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages . Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package
drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
PACKAGE PACKAGE OUTLINE LAND
TYPE
16 TQFN-EP
CODE
T1655+3
NO.
PATTERN NO.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5976AETE+ | 功能描述:热插拔功率分布 2.7-18V 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 |
| MAX5976AETE+T | 功能描述:热插拔功率分布 2.7-18V 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 |
| MAX5976BETE+ | 功能描述:热插拔功率分布 2.7-18V 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 |
| MAX5976BETE+T | 功能描述:热插拔功率分布 2.7-18V 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 |
| MAX5976BEVKIT+ | 功能描述:电源管理IC开发工具 MAX5976B Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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