RT9724 データシートの表示（PDF） - Richtek Technology
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RT9724 Datasheet PDF : 13 Pages
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RT9724
Absolute Maximum Ratings (Note 1)
z Supply Voltage, VIN ------------------------------------------------------------------------------------------------------ 6V
z Enable Input Voltage, EN ------------------------------------------------------------------------------------------------ −0.3V to 6V
z Power Dissipation, PD @ TA = 25°C
SOT-23-5 -------------------------------------------------------------------------------------------------------------------- 0.458W
WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.833W
z Package Thermal Resistance (Note 2)
SOT-23-5, θJA -------------------------------------------------------------------------------------------------------------- 218.1°C/W
WDFN-8L 2x2, θJA -------------------------------------------------------------------------------------------------------- 120°C/W
z Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model) ---------------------------------------------------------------------------------------------- 4kV
Recommended Operating Conditions (Note 4)
z Supply Voltage, VIN ------------------------------------------------------------------------------------------------------ 2.7V to 5.5V
z Enable Input Voltage, EN ------------------------------------------------------------------------------------------------ 0V to 5.5V
z Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 100°C
z Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 5V, CIN = 1μF, COUT = 0.1μF, TA = 25° C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Operation Voltage
VIN
Under Voltage Lookout
Under Voltage Lockout
Hysteresis
Quiescent Current
Off Supply Current
Off Switch Current
On-Resistance
Current Limiting
Short Circuit Current
Thermal shutdown Threshold
Hysteresis
VUVLO
ΔVUVLO
IQ
ISHDN
ILEAKAGE
RDS(ON)
ILIM
ISC_FB
TSD
VIN Falling
EN = High
EN = Low, VOUT = Open
EN = Low, VOUT = 0
VIN = 3.3V, IOUT = 1.3 A
VIN = 3.3V, VOUT = 2.3V
VOUT = 0V, Measured Prior to
Thermal Shutdown
VOUT > 1V
VOUT = 0V
EN Threshold Logic-Low VIL
Voltage
Logic-High VIH
Enable Input Leakage
IEN
VIN = 2.7V to 5.5V
VIN = 2.7V to 5.5V
VEN = 5.5V
Min Typ Max Unit
2.7
--
5
V
1.3 1.7 2.1
V
--
50
--
mV
--
50
70
μA
--
--
1
μA
--
--
1
μA
--
100 120 mΩ
1.5
2
2.5
A
0.4 0.8 1.5
A
--
130 --
°C
--
100 --
°C
--
20
--
°C
--
--
0.8
V
2
--
--
V
--
--
1
μA
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS9724-02 July 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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