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MAX14736EWL-T

产品描述RF Receiver Precision, Ultra-Fast, Low IQ Overvoltage Protector with OVLO 4.7V
产品类别热门应用    无线/射频/通信   
文件大小890KB,共12页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX14736EWL-T概述

RF Receiver Precision, Ultra-Fast, Low IQ Overvoltage Protector with OVLO 4.7V

MAX14736EWL-T规格参数

参数名称属性值
产品种类
Product Category
RF Receiver
制造商
Manufacturer
Maxim(美信半导体)
RoHSDetailsdqqevrbutayfevaxfyu
系列
Packaging
Cut Tape
系列
Packaging
Reel
工厂包装数量
Factory Pack Quantity
2500

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MAX14736/MAX14737
Precision, Ultra-Fast, Low Supply Current,
Bidirectional Overvoltage Protector
General Description
The MAX14736/MAX14737 overvoltage-protection (OVP)
devices guard battery-powered modules in portable
devices against overvoltage faults. The low 15mΩ (typ)
on-resistance, as well as the low 13µA (typ) quiescent
supply current of the devices, minimize power consump-
tion, making them an ideal choice for low-power systems.
Additionally, the devices feature a precision overvoltage-
lockout (OVLO) threshold, ultra-fast response time, and
surge suppression to ±35V, which serve to provide excel-
lent protection against even high slew-rate, high-voltage
transients.
The integrated power transistor in the devices is a
p-channel device, but the intrinsic body diode from OUT
to IN is removed through appropriate design techniques.
Consequently, when the switch is in the off state, reverse-
current blocking that is inherent to the devices. The
MAX14736/MAX14737 feature a push-pull POK output,
which is driven low if either an overvoltage, undervoltage,
or thermal fault is detected; or if the device is placed into
shutdown mode.
The MAX14736 has an active-low enable pin (EN), while
the enable pin (EN) on the MAX14737 is active high.
When the enable pin is driven to the active state, the
device is enabled. When driven to the inactive state, the
device is placed in a low-power shutdown mode and the
switch is kept in the off state.
The MAX14736/MAX14737 are offered in a small, 9-bump
(1.34mm x 1.36mm) wafer-level package (WLP) and oper-
ate over the -40°C to +85°C extended temperature range.
Benefits and Features
Protects Battery-Connected Modules with Minimal
Power Consumption
• Wide Operating Input Voltage: +2.1V to +5.5V
• 4.5A Continuous Current Capability
Integrated 15mΩ (typ) pFET
• Ultra-Low Supply Current: 13µA (typ)
Allows Precise Design in OVLO Implementation
• Preset Accurate Internal OVP Thresholds
• MAX14736: 4.7V ±2.0%
• MAX14737: 5.2V ±2.0%
Increases System Reliability Through Premium
Security
• Surge Immunity to ±35V
• Soft-Start to Minimize Inrush Current
• Output Hot Plug-In Protection
• Thermal Shutdown
Ultra-Fast OVP Response Time: 200ns (typ)
Minimizes Board Space by Compact WLP
• 9-Bump 1.34mm x 1.36mm WLP
Applications
Smartphones
Tablet PCs
e-Readers
Ordering Information
appears at end of data sheet.
Typical Application Circuit
PMIC
CHGIN
BYP
BYPASS
MICRO-B USB
HIDDEN BATTERY
1kΩ
0.1µF
IN
IN
IN
EN
GND
OUT
BATIN
0.1µF
MAX14737
OUT
OUT
POK
SYS
SYSTEM
19-7517; Rev 0; 5/15

 
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