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RT9742ENGJ5F Datasheet(PDF) 7 Page - Richtek Technology Corporation

No. de pieza RT9742ENGJ5F
Descripción Electrónicos  The RT9742 is a cost-effective
PDF  19 Pages
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Fabricante Electrónico  RICHTEK [Richtek Technology Corporation]
Página de inicio  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9742ENGJ5F Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT9742
7
DS9742-00 July 2015
www.richtek.com
©
Copyright 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Note 1.
Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are
stress ratings only, and 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 may affect
device reliability.
Note 2.
θJA is measured at TA = 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7.
Note 3.
Devices are ESD sensitive. Handling precaution is recommended.
Note 4.
The device is not guaranteed to function outside its operating conditions.
The thermal shutdown protection will react at high Ambient Temperature or low VIN due to RDS(ON) variation.
Please refer to Application Information and Typical Operating Characteristics.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
EN/EN Threshold
Logic_High
Voltage
VIH
VIN = 2.7V to 6V
2
--
--
V
Logic_Low
Voltage
VIL
VIN = 2.7V to 6V
--
--
0.8
EN/EN Input Current
EN/EN
I
VEN = 0V,
EN
V
= 5V
0.5
--
0.5
A
Output Leakage Current
ILEAKAGE
VEN = 0V, RLOAD = 0
--
0.5
1
A
Output Turn-On Rise Time
TON_RISE
10% to 90% of VOUT Rising
--
300
--
s
Output Resist
FLG
ance
FLG
R
ISINK = 1mA
--
10
--
FLG Off Current
FLG_OFF
I
FLG
V
= 5V
--
0.01
1
A
FLG Delay Time
TD
From fault condition to FLG
Assertion
--
10
--
ms
Shutdown Auto-Discharge
Resistance
RDischarge
VEN = 0V, VEN = 5V
--
10
--
Under-Voltage Lockout
VUVLO
VIN Rising
--
--
2.4
V
Under-Voltage Hysteresis
VUVLO
VIN Decreasing
--
0.1
--
V
Thermal Shutdown Protection
TSD
--
140
--
°C
Thermal Shutdown Hysteresis
TSD
--
20
--
°C



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