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UP7718A

更新时间： 2024-02-16 23:17:35
品牌 Logo 应用领域
合力精密电子 - UNITPOWER 稳压器
页数 文件大小 规格书
11页 274K
描述
3A Ultra Low Dropout Linear Regulator

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UP7718A 数据手册

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Preliminary  
uP7718  
Electrical Characteristics  
Parameter  
Symbol  
Test Conditions  
Min  
Typ Max Units  
Feedback Voltage  
0mA < IOUT < 3.0A, VCNTL = VIN = VEN = 5.0V,  
Load Regulation  
VREF(LOAD)  
--  
0.1  
0.5  
%/A  
V
OUT = VREF  
Load Regulation Over  
Temperature  
0mA < IOUT < 3.0A, VCNTL = VIN = VEN = 5.0V,  
VREF(TOTAL)  
--  
--  
--  
0.5  
54  
3
--  
--  
%
V
OUT = VREF  
,
-40OC < TJ < 125OC, by design  
On Resistance  
RDS(ON) IOUT = 100mA, VCNTL = VEN = 5.0V, VOUT = 1.6V  
mΩ  
mV  
IOUT = 3.0A, VCNTL = VEN = 5.0V, VOUT = 1.6V,  
by design  
Dropout Voltage  
VDROP  
178  
VOUT Pull Low  
Resistance  
VCNTL = VIN = 5.0V, VEN = 0V,  
--  
60  
--  
Ω
Enable  
Enable High Level  
Disable Low Level  
EN Source Current  
EN Input Impedance  
VEN  
VSD  
0.9  
--  
--  
--  
--  
0.5  
--  
V
V
IEN  
VEN = 0V, VCNTL = 5.0V  
--  
5
uA  
KΩ  
ZEN  
--  
500  
--  
Output Voltage Ramp  
Up Time  
--  
1
--  
ms  
PWROK  
FB Power OK  
Threshold  
VPOKTH  
IOUT = 0A, VCNTL = VIN = VEN = 5.0V, VOUT = VREF  
--  
92  
--  
%
Power OK Hysteresis  
POK Delay Time  
VPOKHYS  
IOUT = 0A, VCNTL = VIN = VEN = 5.0V, VOUT = VREF  
From VOUT > 92% VNOM to POK rising  
--  
1
8
2
--  
4
%
ms  
Overcurrent Protection  
OCP Threshold Level  
IOCP  
ISC  
VCNTL = VIN = VEN = 5.0V, VOUT = VREF  
VCNTL = VIN = VEN = 5.0V, VOUT = 0V  
4.7  
--  
5.7  
6.7  
--  
A
Averaged Output  
Short Circuit Current  
450  
mA  
Thermal Protection  
Thermal Shutdown  
Temperature  
TSD  
IOUT = 0A, VCNTL = VIN = VEN = 5.0V, VOUT = VREF  
IOUT = 0A, VCNTL = VIN = VEN = 5.0V, VOUT = VREF  
--  
--  
170  
50  
--  
--  
OC  
OC  
Thermal Shutdown  
Hysteresis  
TSDHYS  
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device.  
These are for stress ratings. Functional operation of the device at these or any other conditions beyond those  
indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum  
rating conditions for extended periods may remain possibility to affect device reliability.  
Note 2. Devices are ESDsensitive. Handling precaution recommended.  
Note 3. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of  
JEDEC 51-7 thermal measurement standard.  
Note 4. The device is not guaranteed to function outside its operating conditions.  
uPI Semiconductor Corp., http://www.upi-semi.com  
Rev. P00, File Name: uP7718-DS-P0000  
6
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