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UP7534

更新时间： 2024-09-24 12:56:43
品牌 Logo 应用领域
合力精密电子 - UNITPOWER /
页数 文件大小 规格书
16页 189K
描述
Current-Limited, Power Distribution Switches

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UP7534 数据手册

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uP7534  
Current-Limited, Power Distribution Switches  
Features  
General Description  
The uP7534 is a current limited high-side switch designed † Compliant to USB Specifications  
for applications where heavy capacitive loads and short-  
circuits are likely to be met. This device operates with  
† Operating Range: 2.7 V to 5.5 V  
† 75mΩ (5VIN MSOP) High Side MOSFET Switch  
† 25uA Typical Quiescent Current  
† <1uA Typical Shutdown Current  
† Over Current/ Short Circuit Protect  
† Thermal Shutdown Protection  
† Deglitched Open Drain Fault Flag  
† Slow Turn On and Fast Turn Off  
† Enable Active-High or Active-Low  
† UL Approved-E316940  
inputs from 2.7V to 5.5V for both 3V and 5V systems. Its  
low quiescent current (25uA) and standby current (<1uA)  
conserve battery power in portable.  
The power switch is controlled by a logic enable input and  
driven by an internal charge pump circuit. When the output  
load exceeds the current-limit threshold or a short is  
present, the uP7534 asserts overcurrent protection and  
limits the output current to a safe level by driving the power  
switch into saturation mode.  
The uP7534 features glitch-blank fault flag that is asserted  
by overcurrent, overtemperature, or input undervoltage  
lockout. The 8ms glitch-blanking time allows momentary  
faults to be ignored, thus preventing false alarms to the  
host system.  
† TuV EN60950-1 Certification  
† CB IEC60950-1 Certification  
† RoHS Compliant and Halogen Free  
Applications  
Other features include soft-start to limit inrush current  
during plug-in, thermal shutdown to prevent catastrophic † Notebook and Desktop PCs  
switch failure from high-current loads, under-voltage lockout  
(UVLO) to ensure that the device remains off unless there  
is a valid input voltage present. The uP7534 is available in  
SOP-8 , SOT23-5, MSOP-8, and PMSOP-8 packages.  
† USB Power Management  
† ACPI Power Distribution  
† Hot-Plug Power Supplies  
† Battery-Powered Equipments  
† Battery-Charger Circuits  
Pin Configuration  
OC#  
GND  
1
2
3
5
4
VOUT  
VOUT  
GND  
VIN  
1
2
3
5
4
VOUT VOUT  
GND  
1
2
3
5
VOUT VOUT  
GND  
1
2
3
5
VIN  
(uP7534C) EN  
(uP7534D) EN#  
EN(uP7534E)  
EN#(uP7534F)  
VIN  
VIN  
EN  
VIN  
4
VIN  
NC  
4
SOT23-5 (MA5)  
SOT23-5 (M5)  
SOT23-5 (M5)  
SOT23-5 (MA5)  
VOUT  
GND  
OC#  
1
2
3
5
OC#  
VOUT  
VOUT  
1
2
3
4
8
7
6
5
NC  
GND  
VIN  
1
2
3
4
8
7
6
5
VOUT  
VOUT  
VOUT  
OC#  
VIN  
VIN  
VIN  
}
(uP7534C) EN  
(uP7534D) EN#  
EN (uP7534A)  
EN# (uP7534B)  
EN(uP7534G)  
EN#(uP7534H)  
4
GND  
SOP-8 (SA8)  
SOP-8 (S8)  
SOT23-5 (MA5)  
GND  
VIN  
1
2
3
4
8
7
6
5
GND  
VIN  
1
2
3
4
8
7
6
5
VOUT  
VOUT  
VOUT  
VOUT  
VOUT  
OC#  
GND  
VOUT  
OC#  
VIN  
VIN  
(uP7534A) EN  
(uP7534B) EN#  
(uP7534A) EN  
(uP7534B) EN#  
MSOP-8 (RA8)  
PMSOP-8 (RU8)  
uP7534-DS-F0302, Mar. 2012  
www.upi-semi.com  
1
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