RT9718 데이터 시트보기 (PDF) - Richtek Technology
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RT9718 Datasheet PDF : 10 Pages
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RT9718
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN -------------------------------------------------------------------------------------------- −0.3V to 28V
z VOUT, VB --------------------------------------------------------------------------------------------------------------- −0.3V to 7V
z Other Pins --------------------------------------------------------------------------------------------------------------- −0.3V to 6V
z Power Dissipation, PD @ TA = 25°C
WDFN-8L 2x2 ---------------------------------------------------------------------------------------------------------- 0.606W
z Package Thermal Resistance (Note 2)
WDFN-8L 2x2, θJA ----------------------------------------------------------------------------------------------------- 165°C/W
WDFN-8L 2x2, θJC ---------------------------------------------------------------------------------------------------- 20°C/W
z Junction Temperature ------------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C
z Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 5V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Power On Reset
RT9718A
RT9718B
Operation Voltage RT9718C VIN
RT9718D
Supply Voltage POR Threshold
Deglitch Time of POR
VPOR
VPOR Rising
Under Voltage Lockout Threshold VUVLO
Input Quiescent Current
IQ
Input Shutdown Current
ISHDN
Protections
VUVLO Falling
EN = 0V
EN = 5V
Input OVP
Threshold Voltage
RT9718A
RT9718B
RT9718C
VIN_OVP
RT9718D
Input OVP Hysteresis
Input OVP Propagation Delay
VOUT = VIN x 80%
Input OVP Recovery Delay
Min Typ Max Unit
4
--
6.5
4
--
5.5
V
4
--
5.9
4
--
6.9
2.5 2.7 2.9
V
--
8
--
ms
2.45
-- 2.75 V
--
500 600
μA
--
65 95
6.6 6.8
7
5.6 5.85 6
V
6.05 6.25 6.45
7
7.2 7.4
--
60 100 mV
--
--
1
μs
--
8
--
ms
DS9718-02 May 2011
To be continued
www.richtek.com
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